### Perform GET Operations with C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-projects-api

Examples demonstrating how to retrieve data from the Targetprocess API using HttpClient with and without basic authentication.

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get Users assigned to Project with ID#2
            string query = "projects/2/ProjectMembers?where=(User.IsActive eq 'true')include=[User]&take=1000";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```C#
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get a Project with ID#13
            string query = "projects/206?include=[Id,Name,EntityState]&append=[UserStories-count]";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Authenticate and Query User Stories in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-userstories-api

Examples demonstrating how to perform authenticated GET requests to the User Stories API using HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get 5 oldest stories which are not closed yet
            string query = "userstories?where=(EntityState.IsFinal eq 'false')&take=5&orderby=CreateDate&include=[Id,Name,EntityState]";

            //using a token generated at /api/v1/Authentication
            query += "&token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Pulling " + query);
            
            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get stories closed last week
            string lastMonday = DateTime.Now.AddDays(-(int)DateTime.Now.DayOfWeek - 6).ToString("yyyy-MM-dd");
            string query = "userstories?where=(EndDate gte '" + lastMonday + "')&include=[Id,Name,EndDate,TimeSpent]&take=1000";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "&access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### POST /api/v1/projects

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-projects-api

Creates or updates a project. The example demonstrates assigning a user to a project.

```APIDOC
## POST /api/v1/projects

### Description
Creates or updates a project. This endpoint accepts a JSON payload containing project details.

### Method
POST

### Endpoint
https://restapi.tpondemand.com/api/v1/projects

### Request Body
- **Id** (integer) - Required - The ID of the project to update.
- **ProjectMembers** (array) - Optional - A list of project members to assign.

### Request Example
{
  "Id": 229,
  "ProjectMembers": [
    {
      "User": {
        "Id": 6
      }
    }
  ]
}
```

--------------------------------

### Authenticate and Query Bugs in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-bugs-api

Examples demonstrating how to perform authenticated GET requests to the Bugs API using HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get 5 oldest bugs which are not closed yet
            string query = "bugs?where=(EntityState.IsFinal eq 'false')&take=5&orderby=CreateDate&include=[Id,Name,EntityState]";

            //using a token generated at /api/v1/Authentication
            query += "&token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Pulling " + query);
            
            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get bugs closed last week
            string lastMonday = DateTime.Now.AddDays(-(int)DateTime.Now.DayOfWeek - 6).ToString("yyyy-MM-dd");
            string query = "bugs?where=(EndDate gte '" + lastMonday + "')&include=[Id,Name,EndDate,TimeSpent]&take=1000";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "&access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Create a Requester via POST in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-requesters-api

Examples demonstrating how to send a POST request to the Requesters endpoint using HttpClient.

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //create a new Requester
            string query = "requesters";
            HttpContent payload = new StringContent("{\"FirstName\":\"Jane\",\"LastName\":\"White\",\"Email\":\"jane@gmail.com\"}", Encoding.UTF8, "application/json");

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //create a new Requester
            string query = "requesters";
            HttpContent payload = new StringContent("{\"FirstName\":\"Jane\",\"LastName\":\"White\",\"Email\":\"jane@gmail.com\"}", Encoding.UTF8, "application/json");

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Authenticate and Query Users in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-users-api

Demonstrates how to perform authenticated GET requests to the Targetprocess API using HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //find a User by email
            string query = "users?where=(email eq 'teddy@targetprocess.com')";

            //using a token generated at /api/v1/Authentication
            query += "&token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Pulling " + query);
            
            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //find a User by email
            string query = "users?where=(email eq 'teddy@targetprocess.com')";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "&access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### POST Request Examples for Generals

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-generals-api

Common API queries for adding comments or tags to specific items.

```HTTP
POST to `/api/v1/comments` payload `{"Description":"New comment","General":{"Id":194}}`
```

```HTTP
POST to `/api/v1/generals/194` payload `{"Tags":"urgent"}`
```

--------------------------------

### Authenticate and Retrieve Epics in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-epics-api

Examples demonstrating how to use HttpClient to fetch Epics using either a generated token or an access token.

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get 5 oldest Epics which are not closed yet
            string query = "epics?where=(EntityState.IsFinal eq 'false')&take=5&orderby=CreateDate&include=[Id,Name,EntityState]";

            //using a token generated at /api/v1/Authentication
            query += "&token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Pulling " + query);
            
            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get Epics closed last week
            string lastMonday = DateTime.Now.AddDays(-(int)DateTime.Now.DayOfWeek - 6).ToString("yyyy-MM-dd");
            string query = "epics?where=(EndDate gte '" + lastMonday + "')&include=[Id,Name,EndDate,TimeSpent]&take=1000";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "&access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Retrieve Assignables via C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-assignables-api

Examples demonstrating how to fetch assignable data from the Targetprocess REST API using HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get work items for project with ID#192
            string query = "assignables?where=(Project.Id eq 192)&take=1000&include=[Id,Name,EntityState]";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get work item ID#191
            string query = "assignables/191?include=[Id,Name,EntityState]&append=[Comments-count]";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### C# POST Request with Authentication

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-generals-api

Examples demonstrating how to update an entity name using different authentication strategies.

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //change name for item ID#224
            string query = "generals/224";
            HttpContent payload = new StringContent("{\"Name\":\"Research\"}", Encoding.UTF8, "application/json");

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "?access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //change name for item ID#224
            string query = "generals/224";
            HttpContent payload = new StringContent("{\"Name\":\"Research\"}", Encoding.UTF8, "application/json");

            //using a token generated at /api/v1/Authentication
            query += "?token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //change name for item ID#224
            string query = "generals/224";
            HttpContent payload = new StringContent("{\"Name\":\"Research\"}", Encoding.UTF8, "application/json");

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Delete Project via C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-projects-api

Examples demonstrating how to delete a project with ID 234 using different authentication strategies.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Project ID#234
            string query = "projects/234";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "?access_token=MTpoUmx4WW1LTzF6dlkvbUN1dTZIclVBUFQyQ1Z0MkN6YnF6OHBETmRZN2kwPQ==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Project ID#234
            string query = "projects/234";

            //using a token generated at /api/v1/Authentication
            query += "?token=MTpGMjRERDMxODUzNDk1NjdFOTQ0NEY4NkFFOEJCMjkzMw==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Project ID#234
            string query = "projects/234";

            //using basic authentication (here 'admin' is login and 'admin' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("admin:admin"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Project ID#234
            string query = "projects/234";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### C# Access Token Authentication

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-userstories-api

Example of using HttpClient in C# to authenticate with an access token and create a UserStory.

```C#
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //create a new User Stories in a Project ID#2
            string query = "userstories";
            HttpContent payload = new StringContent("{\"Name\":\"New Story\",\"Project\":{\"Id\":2}}", Encoding.UTF8, "application/json");

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "?access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.PostAsync(query, payload).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Authenticate with Token in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-assignables-api

Demonstrates how to perform a GET request to the Assignables endpoint using a token generated via the Authentication API.

```csharp
using System;
using System.Net;
using System.Net.Http;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get 5 oldest work items which are not closed yet
            string query = "assignables?where=(EntityState.IsFinal eq 'false')&take=5&orderby=CreateDate&include=[Id,Name,EntityState]";

            //using a token generated at /api/v1/Authentication
            query += "&token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Pulling " + query);
            
            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### GET /api/v1/projects

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-projects-api

Retrieves a list of projects from Targetprocess. Supports filtering, sorting, and field inclusion.

```APIDOC
## GET /api/v1/projects

### Description
Retrieves a collection of projects. Supports query parameters for filtering, limiting results, and including related fields.

### Method
GET

### Endpoint
/api/v1/projects

### Query Parameters
- **where** (string) - Optional - Filter expression (e.g., CreateDate gte '2017-01-01')
- **take** (integer) - Optional - Number of records to retrieve
- **include** (string) - Optional - Fields or collections to include in the response
- **orderby** (string) - Optional - Field to sort results by
- **token** (string) - Optional - Authentication token
- **access_token** (string) - Optional - Access token for authentication
```

--------------------------------

### Retrieve Tasks via REST API

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-tasks-api

Example queries for fetching Tasks with specific filters, field inclusions, and collection handling.

```text
/api/v1/tasks?include=[Id,Name,Comments]&take=100&innertake=1000
```

```text
/api/v1/comments?where=(General.EntityType.Name eq 'Task')&include=[Id,Name,General]&take=1000
```

```text
/api/v1/tasks?where=(CreateDate gte '2017-01-01')and(CreateDate lte '2017-01-31')&take=1000
```

```text
/api/v1/tasks?where=(EndDate gte '2017-01-01')and(EndDate lte '2017-01-31')&take=1000
```

```text
/api/v1/tasks?where=(Iteration.IsCurrent eq 'true')&take=1000
```

```text
/api/v1/tasks?where=(Release.IsCurrent eq 'true')&take=1000
```

```text
/api/v1/tasks?where=(Owner.Id eq 1)&include=[Id,Name,CreateDate,StartDate,EndDate,EntityState]&take=1000
```

--------------------------------

### Perform GET request with Basic Authentication in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-bugs-api

Uses HttpClient to retrieve bugs for a specific project using Basic authentication credentials.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //get bugs for project with ID#192
            string query = "bugs?where=(Project.Id eq 192)&take=1000&include=[Id,Name,EntityState]";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Delete UserStory via C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-userstories-api

Examples demonstrating how to delete a UserStory using different authentication strategies with HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete User Story ID#205
            string query = "userstories/205";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "?access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete User Story ID#205
            string query = "userstories/205";

            //using a token generated at /api/v1/Authentication
            query += "?token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete User Story ID#205
            string query = "userstories/205";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete User Story ID#205
            string query = "userstories/205";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Delete Work Item via C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-generals-api

Examples demonstrating how to send a DELETE request to the Targetprocess API using HttpClient.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete work item ID#207
            string query = "generals/207";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete work item ID#207
            string query = "generals/207";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Retrieve User via GET with Basic Authentication in C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-users-api

Uses HttpClient to query the API for a user by email with Basic authentication headers.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //find a User by email
            string query = "users?where=(email eq 'teddy@targetprocess.com')";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Pulling " + query);

            HttpResponseMessage response = client.GetAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

--------------------------------

### Delete Requester via C#

Source: https://www.ibm.com/docs/en/targetprocess/tp-dev-hub/saas?topic=reference-requesters-api

Examples demonstrating how to delete a Requester using different authentication strategies in C#.

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Requester ID#21
            string query = "requesters/21";

            //using access token generated at Personal Details page (Access Tokens tab)
            query += "?access_token=NjplaXdQeTJDOHVITFBta0QyME85QlhEOWpwTGdPM2V6VjIyelZlZ0NKWG1RPQ==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Requester ID#21
            string query = "requesters/21";

            //using a token generated at /api/v1/Authentication
            query += "?token=Njo4OTIyQzkzN0M5NEY3NzNENDIyNTM2RDU3MTMwMTMwOA==";
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Requester ID#21
            string query = "requesters/21";

            //using basic authentication (here 'John' is login and '123' is password)
            string authentication = Convert.ToBase64String(Encoding.ASCII.GetBytes("John:123"));
            client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", authentication);
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```

```csharp
using System;
using System.Net;
using System.Net.Http;
using System.Text;

namespace REST.Test
{
    class Program
    {
        static void Main(string[] args)
        {
            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri("https://restapi.tpondemand.com/api/v1/");
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

            //delete Requester ID#21
            string query = "requesters/21";

            //using no authentication will result in 401 Unauthorized response
            Console.WriteLine("Posting to " + query);

            HttpResponseMessage response = client.DeleteAsync(query).Result;
            if (response.IsSuccessStatusCode)
            {
                Console.WriteLine(response.Content.ReadAsStringAsync().Result);
            }
            else
            {
                Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
            }
        }
    }
}
```