### GET /api/v1/Authentication

Source: https://api.likvido.com

Verifies the validity of the provided API key.

```APIDOC
## GET /api/v1/Authentication

### Description
Use this endpoint to verify you have a valid API key. Simply make a GET to the URL below and get a response to check if you're authenticated.

### Method
GET

### Endpoint
/api/v1/Authentication
```

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

### POST /api/v1/Invoices/bulk-invoices

Source: https://api.likvido.com/swagger/v1/swagger.json

Performs asynchronous bulk creation of invoices. Requires pre-generated IDs (Guid). Status can be checked using various GET methods after creation.

```APIDOC
## POST /api/v1/Invoices/bulk-invoices

### Description
Performs asynchronous bulk creation of invoices. Requires pre-generated IDs (Guid). Status can be checked using various GET methods after creation.

### Method
POST

### Endpoint
/api/v1/Invoices/bulk-invoices

### Request Body
- **invoices** (array) - Required - A list of invoice objects to be created, each with a preGeneratedId.

### Request Example
{
  "invoices": [
    {
      "preGeneratedId": "4243bf86-f92e-431e-92f5-d61e6a270101",
      "invoice": {
        "date": "2026-01-01T00:00:00",
        "dueDate": "2026-01-14T00:00:00",
        "debtor": {
          "firstName": "Lars",
          "lastName": "Testensen",
          "accountingDebtorId": "5312",
          "email": "lars_testensen@gmail.com",
          "phone": "60504020",
          "debtorType": 0,
          "address": "Thujavej 60",
          "zipCode": "60000",
          "city": "Lalala",
          "country": "DK"
        },
        "currency": "DKK",
        "campaignInitialRequest": 1,
        "lines": [
          {
            "unitNetPrice": 500.0,
            "description": "Test",
            "quantity": 1.0,
            "vatRate": 25.0,
            "discountType": 0,
            "discountValue": 0.0
          }
        ],
        "fees": [
          {
            "netAmount": 100.0,
            "feeType": 1,
            "date": "2026-01-01T00:00:00"
          }
        ],
        "payments": [
          {
            "netAmount": 250.0,
            "date": "2026-01-01T00:00:00",
            "paymentMethod": 1
          }
        ]
      }
    }
  ]
}
```

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

### GET /api/v1/Creditors/PartnerCreditors

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a list of all creditors associated with the partner that have an active API key.

```APIDOC
## GET /api/v1/Creditors/PartnerCreditors

### Description
Retrieves a list of all creditors that currently have an active API key associated with the partner. (Auth roles: Partner)

### Method
GET

### Endpoint
/api/v1/Creditors/PartnerCreditors

### Parameters
#### Query Parameters
- **Take** (integer) - Optional - The number of records to return.
- **Skip** (integer) - Optional - The number of records to skip.

### Responses
#### Success Response (200)
- **schema** (object) - The schema for the partner creditor list.

#### Error Responses
- **401** - Unauthorized
- **403** - Forbidden
```

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

### GET /websites/api_likvido/invoices

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a listing of invoice records based on specified criteria.

```APIDOC
## GET /websites/api_likvido/invoices

### Description
Retrieves a listing of invoice records based on specified criteria.

### Method
GET

### Endpoint
/websites/api_likvido/invoices

### Query Parameters
- **Ids** (array of strings) - Optional - Filter invoices by their IDs (UUID format).
- **CreditorIds** (array of integers) - Optional - Filter invoices by creditor IDs.
- **DebtorIds** (array of integers) - Optional - Filter invoices by debtor IDs.
- **CloseCodes** (array of integers) - Optional - Filter invoices by close codes.

### Response
#### Success Response (200)
(Response structure not detailed in the provided text, but would typically be an array of invoice objects.)

#### Error Responses
(Error responses for this endpoint are not detailed in the provided text.)
```

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

### Create Invoice Payment

Source: https://api.likvido.com/swagger/v1/swagger.json

Endpoint configuration for creating a payment for a specific invoice, including example request bodies for JSON and JSON-Patch formats.

```json
"/api/v1/Payments/{invoiceId}": {
  "post": {
    "tags": [
      "Payments"
    ],
    "summary": "Creates a payment associated with an invoice.",
    "parameters": [
      {
        "name": "invoiceId",
        "in": "path",
        "required": true,
        "schema": {
          "type": "string",
          "format": "uuid"
        }
      }
    ],
    "requestBody": {
      "content": {
        "application/json-patch+json": {
          "schema": {
            "$ref": "#/components/schemas/CreatePaymentRequest"
          },
          "example": {
            "invoiceId": "00000000-0000-0000-0000-000000000000",
            "amount": 1000.5,
            "closeCase": true,
            "communicateDebtor": false,
            "date": "2026-04-10T20:26:21.154173Z"
          }
        },
        "application/json": {
          "schema": {
            "$ref": "#/components/schemas/CreatePaymentRequest"
          },
          "example": {
            "invoiceId": "00000000-0000-0000-0000-000000000000",
            "amount": 1000.5,
            "closeCase": true
```

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

### GET /api/v1/Creditors/{Id}

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a single creditor record by its unique identifier.

```APIDOC
## GET /api/v1/Creditors/{Id}

### Description
Retrieves a single creditor record by creditor Id.

### Method
GET

### Endpoint
/api/v1/Creditors/{Id}

### Parameters
#### Path Parameters
- **Id** (integer) - Required - The unique identifier of the creditor.

### Responses
#### Success Response (200)
- **schema** (object) - The schema for the creditor data.

#### Error Responses
- **400** - Bad Request
- **404** - Not Found
- **401** - Unauthorized
- **403** - Forbidden
```

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

### GET /api/v1/Invoices/{invoiceId}/files

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a listing of invoice files based on specified criteria. This endpoint allows you to fetch all files associated with a particular invoice.

```APIDOC
## GET /api/v1/Invoices/{invoiceId}/files

### Description
Retrieves a listing of invoice files based on specified criteria.

### Method
GET

### Endpoint
/api/v1/Invoices/{invoiceId}/files

#### Path Parameters
- **invoiceId** (string) - Required - The unique identifier of the invoice.

#### Query Parameters
- **onlyOriginalInvoice** (boolean) - Optional - If true, only the original invoice file is returned.

### Response
#### Success Response (200)
- **ListInvoiceFilesResponse** (object) - A list of files associated with the invoice.

#### Error Response
- **TopLevelDocument** (object) - Represents unauthorized access or forbidden access.
```

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

### GET /api/v1/Debtors

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a listing of debtor records based on specified criteria.

```APIDOC
## GET /api/v1/Debtors

### Description
Retrieves a listing of debtor records based on specified criteria.

### Method
GET

### Endpoint
/api/v1/Debtors

### Parameters
#### Query Parameters
- **Query** (string) - Optional - Search query string
- **DebtorTypes** (array) - Optional - 0 = Private, 1 = Company
- **Take** (integer) - Optional - Number of records to take
- **Skip** (integer) - Optional - Number of records to skip

### Response
#### Success Response (200)
- **ListDebtorsResponse** (object) - A list of debtor records.
```

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

### GET /invoices/{id}

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves detailed information about a specific invoice by its unique identifier.

```APIDOC
## GET /invoices/{id}

### Description
Retrieves the full details of an invoice using its ID.

### Method
GET

### Endpoint
/invoices/{id}

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the invoice.

### Response
#### Success Response (200)
- **data** (InvoiceResourceObject) - The invoice resource object.
- **errors** (array) - List of error objects if any occurred.
```

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

### GET /invoices/{id}/timeline

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves the timeline history for a specific invoice.

```APIDOC
## GET /invoices/{id}/timeline

### Description
Retrieves the timeline of events associated with a specific invoice.

### Method
GET

### Endpoint
/invoices/{id}/timeline

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier of the invoice.

### Response
#### Success Response (200)
- **paging** (Paging) - Paging information for the timeline items.
- **data** (array) - List of TimelineItemResourceObject.
- **errors** (array) - List of error objects if any occurred.
```

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

### GET /api/v1/Invoices/{invoiceId}/timeline

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a chronological list of activities and events associated with a specific invoice.

```APIDOC
## GET /api/v1/Invoices/{invoiceId}/timeline

### Description
Retrieves timeline activities for a specific invoice.

### Method
GET

### Endpoint
/api/v1/Invoices/{invoiceId}/timeline

### Parameters
#### Path Parameters
- **invoiceId** (string) - Required - The ID of the invoice.

#### Query Parameters
- **fromDate** (string) - Optional - Filter activities from this date and time (ISO 8601 format).
- **toDate** (string) - Optional - Filter activities up to this date and time (ISO 8601 format).
- **eventTypes** (string) - Optional - Filter activities by specific event types.
- **page** (integer) - Optional - The page number for pagination. Defaults to 1.
- **pageSize** (integer) - Optional - The number of items per page. Defaults to 25.
- **sort** (string) - Optional - The sorting order for the timeline. Defaults to "timestamp_desc".

### Responses
#### Success Response (200)
OK

#### Error Responses
- **400** Bad Request
- **403** Forbidden
```

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

### GET /api/v1/Invoices/{id}

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a single invoice record by its unique identifier.

```APIDOC
## GET /api/v1/Invoices/{id}

### Description
Retrieves a single invoice record by invoice Id.

### Method
GET

### Endpoint
/api/v1/Invoices/{id}

### Parameters
#### Path Parameters
- **id** (string, uuid) - Required - The unique identifier of the invoice.
```

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

### POST /api/v1/Creditors

Source: https://api.likvido.com

Creates a new creditor record. Requires Partner role.

```APIDOC
## POST /api/v1/Creditors

### Description
Creates a new creditor record. (Auth roles: Partner)

### Method
POST

### Endpoint
/api/v1/Creditors
```

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

### POST /websites/api_likvido/invoices

Source: https://api.likvido.com/swagger/v1/swagger.json

Creates a new invoice with detailed line items, fees, and payment information.

```APIDOC
## POST /websites/api_likvido/invoices

### Description
Creates a new invoice with detailed line items, fees, and payment information.

### Method
POST

### Endpoint
/websites/api_likvido/invoices

### Request Body
- **date** (string) - Required - The date of the invoice.
- **dueDate** (string) - Required - The due date of the invoice.
- **debtor** (object) - Required - Information about the debtor.
  - **firstName** (string) - Required - The first name of the debtor.
  - **lastName** (string) - Required - The last name of the debtor.
  - **accountingDebtorId** (string) - Optional - The accounting ID of the debtor.
  - **email** (string) - Optional - The email address of the debtor.
  - **phone** (string) - Optional - The phone number of the debtor.
  - **debtorType** (integer) - Optional - The type of debtor (e.g., 0 for Person, 1 for Company).
  - **address** (string) - Optional - The address of the debtor.
  - **zipCode** (string) - Optional - The zip code of the debtor.
  - **city** (string) - Optional - The city of the debtor.
  - **accountingDebtorGroupId** (string) - Optional - The accounting group ID of the debtor.
  - **country** (string) - Optional - The country code of the debtor.
- **currency** (string) - Required - The currency of the invoice (e.g., "DKK").
- **campaignInitialRequest** (integer) - Optional - Indicates if this is an initial campaign request.
- **lines** (array) - Required - An array of invoice line items.
  - **unitNetPrice** (number) - Required - The net price per unit.
  - **description** (string) - Required - The description of the line item.
  - **quantity** (number) - Required - The quantity of the item.
  - **vatRate** (number) - Required - The VAT rate applied.
  - **discountType** (integer) - Optional - The type of discount.
  - **discountValue** (number) - Optional - The value of the discount.
- **fees** (array) - Optional - An array of fees associated with the invoice.
  - **netAmount** (number) - Required - The net amount of the fee.
  - **feeType** (integer) - Required - The type of fee.
  - **date** (string) - Required - The date the fee is applied.
- **payments** (array) - Optional - An array of payments made towards the invoice.
  - **netAmount** (number) - Required - The net amount of the payment.
  - **date** (string) - Required - The date of the payment.
  - **paymentMethod** (integer) - Required - The method of payment.

### Request Example
```json
{
  "date": "2026-01-01T00:00:00",
  "dueDate": "2026-01-14T00:00:00",
  "debtor": {
    "firstName": "Lars",
    "lastName": "Testensen",
    "accountingDebtorId": "5312",
    "email": "lars_testensen@gmail.com",
    "phone": "60504020",
    "debtorType": 0,
    "address": "Thujavej 60",
    "zipCode": "60000",
    "city": "Lalala",
    "accountingDebtorGroupId": "test-group-99",
    "country": "DK"
  },
  "currency": "DKK",
  "campaignInitialRequest": 1,
  "lines": [
    {
      "unitNetPrice": 500.0,
      "description": "Test",
      "quantity": 1.0,
      "vatRate": 25.0,
      "discountType": 0,
      "discountValue": 0.0
    }
  ],
  "fees": [
    {
      "netAmount": 100.0,
      "feeType": 1,
      "date": "2026-01-01T00:00:00"
    }
  ],
  "payments": [
    {
      "netAmount": 250.0,
      "date": "2026-01-01T00:00:00",
      "paymentMethod": 1
    }
  ]
}
```

### Response
#### Success Response (201)
- **location** (string) - Location of the newly created invoice.

#### Response Example
(No specific response body example provided, but it would typically contain details of the created invoice or a confirmation.)

#### Error Responses
- **400** Bad Request: Indicates an issue with the request payload.
- **401** Unauthorized: Authentication is required or has failed.
- **403** Forbidden: The authenticated user does not have permission to perform this action.
```

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

### GET /api/v1/Debtors/{id}

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a single debtor record by debtor Id.

```APIDOC
## GET /api/v1/Debtors/{id}

### Description
Retrieves a single debtor record by debtor Id.

### Method
GET

### Endpoint
/api/v1/Debtors/{id}

### Parameters
#### Path Parameters
- **id** (integer) - Required - The unique identifier of the debtor

### Response
#### Success Response (200)
- **GetDebtorByIdResponse** (object) - The debtor record details.
```

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

### POST /api/v1/Invoices

Source: https://api.likvido.com/swagger/v1/swagger.json

Creates a new invoice record in the system. This endpoint allows for detailed invoice creation including debtor information, lines, fees, and payments.

```APIDOC
## POST /api/v1/Invoices

### Description
Creates a new invoice record.

### Method
POST

### Endpoint
/api/v1/Invoices

### Parameters
#### Request Body
- **date** (string) - Required - The date of the invoice.
- **dueDate** (string) - Required - The due date for the invoice.
- **debtor** (object) - Required - Information about the debtor.
  - **firstName** (string) - Required - The first name of the debtor.
  - **lastName** (string) - Required - The last name of the debtor.
  - **accountingDebtorId** (string) - Required - The accounting ID of the debtor.
  - **email** (string) - Optional - The email address of the debtor.
  - **phone** (string) - Optional - The phone number of the debtor.
  - **debtorType** (integer) - Required - The type of debtor (e.g., 0 for person, 1 for company).
  - **address** (string) - Required - The street address of the debtor.
  - **zipCode** (string) - Required - The zip code of the debtor.
  - **city** (string) - Required - The city of the debtor.
  - **accountingDebtorGroupId** (string) - Optional - The accounting group ID for the debtor.
  - **country** (string) - Required - The country code of the debtor (e.g., "DK").
- **currency** (string) - Required - The currency of the invoice (e.g., "DKK").
- **campaignInitialRequest** (integer) - Optional - Indicates if this is an initial request for a campaign.
- **lines** (array) - Required - An array of invoice line items.
  - **unitNetPrice** (number) - Required - The net price per unit.
  - **description** (string) - Required - A description of the line item.
  - **quantity** (number) - Required - The quantity of the item.
  - **vatRate** (number) - Required - The VAT rate applied.
  - **discountType** (integer) - Optional - The type of discount.
  - **discountValue** (number) - Optional - The value of the discount.
- **fees** (array) - Optional - An array of fees associated with the invoice.
  - **netAmount** (number) - Required - The net amount of the fee.
  - **feeType** (integer) - Required - The type of fee.
  - **date** (string) - Required - The date the fee is applied.
- **payments** (array) - Optional - An array of payments made towards the invoice.
  - **netAmount** (number) - Required - The net amount of the payment.
  - **date** (string) - Required - The date of the payment.
  - **paymentMethod** (integer) - Required - The method of payment.

### Request Example
```json
{
  "date": "2026-01-01T00:00:00",
  "dueDate": "2026-01-14T00:00:00",
  "debtor": {
    "firstName": "Lars",
    "lastName": "Testensen",
    "accountingDebtorId": "5312",
    "email": "lars_testensen@gmail.com",
    "phone": "60504020",
    "debtorType": 0,
    "address": "Thujavej 60",
    "zipCode": "60000",
    "city": "Lalala",
    "accountingDebtorGroupId": "test-group-99",
    "country": "DK"
  },
  "currency": "DKK",
  "campaignInitialRequest": 1,
  "lines": [
    {
      "unitNetPrice": 500.0,
      "description": "Test",
      "quantity": 1.0,
      "vatRate": 25.0,
      "discountType": 0,
      "discountValue": 0.0
    }
  ],
  "fees": [
    {
      "netAmount": 100.0,
      "feeType": 1,
      "date": "2026-01-01T00:00:00"
    }
  ],
  "payments": [
    {
      "netAmount": 250.0,
      "date": "2026-01-01T00:00:00",
      "paymentMethod": 1
    }
  ]
}
```

### Response
#### Success Response (200)
- **invoiceId** (string) - The ID of the created invoice.
- **status** (string) - The status of the invoice.

#### Response Example
```json
{
  "invoiceId": "inv_12345",
  "status": "Created"
}
```
```

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

### Create Debtor Schema

Source: https://api.likvido.com/swagger/v1/swagger.json

Defines the request and response structures for creating a new debtor in the system.

```APIDOC
### CreateDebtorRequest

### Request Body
- **debtorType** (LegalEntityType) - Type of the debtor
- **companyName** (string) - Name of the company
- **companyRegistrationNumber** (string) - Registration number
- **eanNumber** (string) - EAN number
- **firstName** (string) - First name
- **lastName** (string) - Last name
- **personRegistrationNumber** (string) - Personal registration number
- **accountingDebtorId** (string) - ID in accounting system
- **accountingDebtorGroupId** (string) - Group ID in accounting system
- **personBirthDay** (date-time) - Birth date
- **email** (string) - Email address
- **phone** (string) - Phone number
- **address** (string) - Address line 1
- **addressTwo** (string) - Address line 2
- **zipCode** (string) - Zip code
- **city** (string) - City
- **state** (string) - State
- **country** (string) - Country Alpha2 code (default 'DK')
```

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

### Create Payment API

Source: https://api.likvido.com/swagger/v1/swagger.json

This endpoint allows you to record a payment against an invoice. You can specify the amount, date, and whether to close the case.

```APIDOC
## POST /websites/api_likvido/payments

### Description
Records a payment for a specific invoice.

### Method
POST

### Endpoint
/websites/api_likvido/payments

### Request Body
- **invoiceId** (string) - Required - The ID of the invoice to which the payment is applied.
- **amount** (number) - Required - The amount of the payment.
- **closeCase** (boolean) - Optional - Whether to close the invoice case after this payment.
- **communicateDebtor** (boolean) - Optional - Whether to communicate the payment to the debtor.
- **date** (string) - Required - The date the payment was made (ISO 8601 format).

### Request Example
```json
{
  "invoiceId": "inv_12345",
  "amount": 125.00,
  "date": "2023-10-27T12:00:00Z",
  "closeCase": true
}
```

### Response
#### Success Response (200)
- **status** (integer) - The status code of the operation.
- **message** (string) - A message indicating the result of the operation.

#### Response Example
```json
{
  "status": 200,
  "message": "Payment recorded successfully."
}
```
```

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

### Create Creditor API

Source: https://api.likvido.com/swagger/v1/swagger.json

This endpoint allows for the creation of a new creditor. It requires detailed information about the company, including its address, contact information, and financial details.

```APIDOC
## POST /api/creditors

### Description
Creates a new creditor with the provided company details.

### Method
POST

### Endpoint
/api/creditors

### Parameters
#### Request Body
- **companyName** (string) - Required - Name of the company we're creating
- **companyRegistrationNumber** (string) - Required - This is the official company registration number (VAT/CVR register)
- **address** (string) - Required - The address where the company has their main office
- **zipCode** (string) - Required - The zipcode where the company has their main office
- **city** (string) - Required - The city where the company has their main office
- **officeEmail** (string) - Required - The contact e-mail of the business
- **sendWelcomeMail** (boolean) - Optional - Whether to send a welcome email
- **companyType** (integer) - Optional - The type of company
- **country** (string) - Optional - The country of the company
- **termsAcceptedLabel** (string) - Optional - Label for terms acceptance
- **nickname** (string) - Optional - Shorter name of the company
- **shortNickName** (string) - Optional - Max 11 char long name of the company (used for SMS and more)
- **officePhone** (string) - Optional - The contact phone number of the business
- **exemptFromVat** (boolean) - Optional - Used if the company is exempt from VAT
- **registrationNumber** (string) - Optional - The bank accounts registration number (pattern: [0-9]{4})
- **bankAccountNumber** (string) - Optional - Bank account number (pattern: [0-9]{6,10})
- **ibanCode** (string) - Optional - IBAN code
- **swiftCode** (string) - Optional - SWIFT code
- **bankName** (string) - Optional - Name of the bank
- **currencyCode** (string) - Optional - Bank account currency code (pattern: [a-zA-Z]{3}). Defaults to DKK if country is not specified.
- **accountSystemType** (AccountSystemType) - Optional - Type of account system
- **token** (string) - Optional - Authentication token
- **settings_InvoiceEnabled** (boolean) - Optional - Enable invoice settings
- **settings_RemindersEnabled** (boolean) - Optional - Enable reminder settings
- **settings_DebtCollectionEnabled** (boolean) - Optional - Enable debt collection settings
- **settings_AutoStartDebtCollection** (boolean) - Optional - Automatically start debt collection
- **settings_AutoStartReminders** (boolean) - Optional - Automatically start reminders
- **settings_AcceptCreditCard** (boolean) - Optional - Accept credit card payments

### Request Example
```json
{
  "companyName": "Example Corp",
  "companyRegistrationNumber": "12345678",
  "address": "123 Main St",
  "zipCode": "1000",
  "city": "Copenhagen",
  "officeEmail": "info@example.com",
  "sendWelcomeMail": true,
  "currencyCode": "DKK"
}
```

### Response
#### Success Response (200)
- **id** (string) - The unique identifier of the created creditor.

#### Response Example
```json
{
  "id": "a1b2c3d4-e5f6-7890-1234-567890abcdef"
}
```
```

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

### Create Invoice API

Source: https://api.likvido.com/swagger/v1/swagger.json

This endpoint allows you to create a new invoice. It accepts detailed information about the invoice, including debtor, items, fees, and payments.

```APIDOC
## POST /websites/api_likvido/invoices

### Description
Creates a new invoice with specified details.

### Method
POST

### Endpoint
/websites/api_likvido/invoices

### Request Body
- **debtor** (object) - Required - Information about the debtor.
  - **name** (string) - Required - The name of the debtor.
  - **address** (string) - Optional - The address of the debtor.
  - **zipCode** (string) - Optional - The zip code of the debtor.
  - **city** (string) - Optional - The city of the debtor.
  - **country** (string) - Optional - The country of the debtor.
  - **vatNumber** (string) - Optional - The VAT number of the debtor.
  - **email** (string) - Optional - The email address of the debtor.
  - **phone** (string) - Optional - The phone number of the debtor.
- **items** (array) - Optional - An array of invoice items.
  - **description** (string) - Required - Description of the item.
  - **quantity** (number) - Required - Quantity of the item.
  - **unitPrice** (number) - Required - Price per unit.
  - **vatRate** (number) - Optional - VAT rate for the item.
- **fees** (array) - Optional - An array of invoice fees.
- **payments** (array) - Optional - An array of invoice payments.

### Request Example
```json
{
  "debtor": {
    "name": "Example Corp",
    "email": "contact@example.com"
  },
  "items": [
    {
      "description": "Service Fee",
      "quantity": 1,
      "unitPrice": 100,
      "vatRate": 25
    }
  ]
}
```

### Response
#### Success Response (200)
- **data** (object) - Contains the created invoice resource.
  - **id** (string) - The unique identifier for the invoice.
  - **type** (string) - The type of resource, typically "invoices".
  - **attributes** (object) - The attributes of the invoice.
    - **invoiceNumber** (string) - The invoice number.
    - **issueDate** (string) - The date the invoice was issued.
    - **dueDate** (string) - The due date for the invoice.
    - **totalAmount** (number) - The total amount of the invoice.
    - **currency** (string) - The currency of the invoice.
    - **status** (string) - The current status of the invoice.
    - **debtor** (object) - Information about the debtor.
    - **items** (array) - Array of invoice items.
    - **fees** (array) - Array of invoice fees.
    - **payments** (array) - Array of invoice payments.
- **errors** (array) - An array of error objects, if any occurred.

#### Response Example
```json
{
  "data": {
    "id": "inv_12345",
    "type": "invoices",
    "attributes": {
      "invoiceNumber": "INV-2023-001",
      "issueDate": "2023-10-27T10:00:00Z",
      "dueDate": "2023-11-26T10:00:00Z",
      "totalAmount": 125.00,
      "currency": "EUR",
      "status": "draft",
      "debtor": {
        "name": "Example Corp",
        "email": "contact@example.com"
      },
      "items": [
        {
          "description": "Service Fee",
          "quantity": 1,
          "unitPrice": 100,
          "vatRate": 25
        }
      ],
      "fees": [],
      "payments": []
    }
  },
  "errors": null
}
```
```

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

### Create Creditor Schema

Source: https://api.likvido.com/swagger/v1/swagger.json

Defines the structure for the CreateCreditorResponse, including metadata and creditor resource objects.

```APIDOC
### CreateCreditorResponse

### Response
- **meta** (CreateCreditorResponseMeta) - Metadata containing partnerApiKey
- **data** (CreditorResourceObject) - The created creditor resource
- **errors** (array) - List of ErrorObject if any occurred
```

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

### GET /api/v1/Invoices/{invoiceId}/transferred-payments

Source: https://api.likvido.com/swagger/v1/swagger.json

Retrieves a listing of transferred invoice payments for a specific invoice Id, excluding credit notes.

```APIDOC
## GET /api/v1/Invoices/{invoiceId}/transferred-payments

### Description
Retrieves a listing of transferred invoice payments for a specific invoice Id. Returns only payments that have been transferred (paid out) to the creditor.

### Method
GET

### Endpoint
/api/v1/Invoices/{invoiceId}/transferred-payments

### Parameters
#### Path Parameters
- **invoiceId** (string, uuid) - Required - The unique identifier of the invoice.

#### Query Parameters
- **Take** (integer) - Optional - Number of records to take.
- **Skip** (integer) - Optional - Number of records to skip.
```

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

### POST /api/v1/Invoices

Source: https://api.likvido.com

Creates a new invoice record.

```APIDOC
## POST /api/v1/Invoices

### Description
Creates a new invoice record.

### Method
POST

### Endpoint
/api/v1/Invoices
```

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

### Create Bulk Invoices API

Source: https://api.likvido.com/swagger/v1/swagger.json

This endpoint allows for the creation of multiple invoices in a single request. It uses the CreateBulkInvoicesRequest schema for the request body.

```APIDOC
## POST /api/invoices/bulk

### Description
Creates multiple invoices in a single request.

### Method
POST

### Endpoint
/api/invoices/bulk

### Parameters
#### Request Body
- **invoices** (array) - Optional - An array of invoice objects to create.
  - Each item in the array should conform to the CreateBulkInvoiceRequestItem schema.

### Request Example
```json
{
  "invoices": [
    {
      "creditorId": "a1b2c3d4-e5f6-7890-1234-567890abcdef",
      "debtorId": "b2c3d4e5-f6a7-8901-2345-67890abcdef1",
      "amount": 100.50,
      "currencyCode": "DKK",
      "dueDate": "2023-12-31"
    },
    {
      "creditorId": "a1b2c3d4-e5f6-7890-1234-567890abcdef",
      "debtorId": "c3d4e5f6-a7b8-9012-3456-7890abcdef12",
      "amount": 250.00,
      "currencyCode": "EUR",
      "dueDate": "2024-01-15"
    }
  ]
}
```

### Response
#### Success Response (200)
- **invoiceIds** (array) - A list of unique identifiers for the created invoices.

#### Response Example
```json
{
  "invoiceIds": [
    "c3d4e5f6-a7b8-9012-3456-7890abcdef12",
    "d4e5f6a7-b8c9-0123-4567-890abcdef123"
  ]
}
```
```

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

### POST /debtors

Source: https://api.likvido.com/swagger/v1/swagger.json

Creates a new debtor in the system. DebtorType can be set to 0 for Private or 1 for Company.

```APIDOC
## POST /debtors

### Description
Creates a new Debtor. (DebtorType: Private = 0 , Company = 1)

### Method
POST

### Endpoint
/debtors

### Request Body
- **debtorType** (integer) - Required - 0 for Private, 1 for Company
- **companyName** (string) - Optional
- **firstName** (string) - Optional
- **lastName** (string) - Optional
- **accountingDebtorId** (string) - Optional
- **accountingDebtorGroupId** (string) - Optional
- **email** (string) - Optional
- **phone** (string) - Optional
- **address** (string) - Optional
- **zipCode** (string) - Optional
- **city** (string) - Optional
- **country** (string) - Optional

### Request Example
{
  "debtorType": 0,
  "companyName": "",
  "firstName": "Lars",
  "lastName": "Testensen",
  "accountingDebtorId": "5312",
  "accountingDebtorGroupId": "test-group-99",
  "email": "lars_testensen@gmail.com",
  "phone": "60504020",
  "address": "Thujavej 60",
  "zipCode": "60000",
  "city": "Lalala",
  "country": "DK"
}

### Response
#### Success Response (200)
- **CreateDebtorResponse** (object) - The created debtor details.

#### Error Response (400)
- **errors** (array) - List of validation errors.

#### Response Example
{
  "errors": [
    {
      "status": 400,
      "code": "NotEmptyValidator",
      "title": "Company name is required"
    }
  ]
}
```

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

### GET /api/v1/Invoices/{invoiceId}/payments

Source: https://api.likvido.com/swagger/v1/swagger.json

Returns ALL payments associated with an invoice, including credit notes and payments that have not been transferred. This endpoint provides comprehensive payment reconciliation, including pending payments and credit notes.

```APIDOC
## GET /api/v1/Invoices/{invoiceId}/payments

### Description
Returns ALL payments associated with an invoice, including credit notes and payments that have not been transferred.

**Payment Information:**
Each payment includes:
- Basic payment details (amount, method, date, etc.)
- Transfer status and details (if applicable)
- Currency information for multi-currency payments
- Payment provider information

**Transfer Details:**
The `transfer` property indicates whether a payment has been transferred (paid out) to the creditor:
- `hasTransfer = true`: Payment has been transferred, transfer details are included
- `hasTransfer = false`: Payment exists but has not been transferred (e.g., credit notes, pending payments)

**Use Cases:**
- Complete payment reconciliation including credit notes
- Identifying payments awaiting transfer
- Understanding the full payment history of an invoice

**Related Endpoint:**
For only transferred payments (excluding credit notes and pending), use `/api/v1/Invoices/{invoiceId}/transferred-payments`

### Method
GET

### Endpoint
/api/v1/Invoices/{invoiceId}/payments

#### Path Parameters
- **invoiceId** (string) - Required - The unique identifier of the invoice.

#### Query Parameters
- **Take** (integer) - Optional - The maximum number of records to return.
- **Skip** (integer) - Optional - The number of records to skip from the beginning.

### Response
#### Success Response (200)
- **ListInvoicePaymentsResponse** (object) - A list of payments associated with the invoice.

#### Error Response
- **TopLevelDocument** (object) - Represents a bad request, unauthorized access, or forbidden access.
```

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

### Invoice File Resource Schema

Source: https://api.likvido.com/swagger/v1/swagger.json

Defines the structure for invoice file resources, including attributes like file name, ID, and creation date.

```APIDOC
## InvoiceFileResourceObject

### Description
Represents an invoice file resource containing metadata and file attributes.

### Request Body
- **type** (string) - ReadOnly - The resource type.
- **attributes** (InvoiceFileAttributes) - Required - The file metadata.
- **id** (string/uuid) - Required - The unique identifier for the file resource.

### InvoiceFileAttributes
- **fileName** (string) - Optional - The name of the file.
- **invoiceId** (string/uuid) - Required - The ID of the associated invoice.
- **fileType** (FileType) - Required - The type of file.
- **entityType** (EntityType) - Required - The type of entity.
- **entityValueId** (string/uuid) - Optional - The ID of the entity value.
- **url** (string) - Optional - The download URL for the file.
- **dateCreated** (string/date-time) - Required - The timestamp when the file was created.
```

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

### Creditor Resource Object

Source: https://api.likvido.com/swagger/v1/swagger.json

Represents a complete creditor resource.

```APIDOC
## Creditor Resource Object Schema

### Description
This schema defines the structure for a complete creditor resource object.

### Properties
- **type** (string) - Nullable - ReadOnly - The type of the resource.
- **attributes** (CreditorAttributes) - The attributes of the creditor.
- **id** (integer) - The unique identifier for the creditor.
```

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

### CreateInvoicePaymentRequest Schema

Source: https://api.likvido.com/swagger/v1/swagger.json

Defines the structure for recording a payment against an invoice.

```APIDOC
## CreateInvoicePaymentRequest

### Request Body
- **netAmount** (number) - Required - The net amount paid.
- **date** (string, date-time) - Optional - Date of the payment.
- **paymentMethod** (PaymentMethod) - Optional - Method used for payment.
```

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

### POST /api/v1/Debtors

Source: https://api.likvido.com

Creates a new debtor record.

```APIDOC
## POST /api/v1/Debtors

### Description
Creates a new Debtor. (DebtorType: Private = 0 , Company = 1)

### Method
POST

### Endpoint
/api/v1/Debtors
```

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

### CreateInvoiceRequest Schema

Source: https://api.likvido.com/swagger/v1/swagger.json

Defines the structure for creating a new invoice, including dates, debtor information, and invoice lines.

```APIDOC
## CreateInvoiceRequest

### Request Body
- **date** (string, date-time) - Required - The date of the invoice.
- **dueDate** (string, date-time) - Required - The due date of the invoice.
- **debtor** (CreateInvoiceDebtorRequest) - Optional - Debtor details.
- **debtorId** (integer) - Optional - ID of an existing debtor.
- **referenceId** (string) - Optional - External reference ID.
- **creditorReference** (string) - Optional - Reference for the creditor.
- **comments** (string) - Optional - General comments.
- **currency** (string) - Optional - Currency code.
- **creditorComment** (string) - Optional - Internal creditor comment.
- **campaignInitialRequest** (CampaignType) - Optional - Campaign type associated with the invoice.
- **lines** (array) - Optional - List of invoice lines.
```

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

### Data Schemas and Definitions

Source: https://api.likvido.com/swagger/v1/swagger.json

Definitions for core data structures including Debtor objects, Entity types, and Error handling objects.

```APIDOC
## Data Schemas

### DebtorResourceObject
- **id** (integer) - Unique identifier for the debtor.
- **type** (string) - Resource type.
- **attributes** (DebtorAttributes) - Object containing debtor details like EAN number, birthday, and country ID.

### EntityType
- **Description**: Enum representing various system entities.
- **Values**:
  - 0: Invoice
  - 1: Objection
  - 2: Enforcement
  - 4: Payout
  - 5: Debtor
  - 6: BankAccountEntry
  - 7: InvoiceStartup
  - 8: Bill
  - 9: BankEntry
  - 10: DebtorReminderCampaign

### ErrorObject
- **status** (integer) - HTTP status code.
- **code** (string) - Internal error code.
- **title** (string) - Error description.
```

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

### Invoice and Payment Response Schemas

Source: https://api.likvido.com/swagger/v1/swagger.json

Definitions for list responses related to invoices, files, and payments.

```APIDOC
## ListInvoicesResponse

### Description
Response object containing a list of invoices and pagination metadata.

### Response
- **paging** (Paging) - Pagination details
- **data** (array) - List of InvoiceResourceObject
- **errors** (array) - List of ErrorObject

## ListInvoicePaymentsResponse

### Description
Response object containing a list of invoice payments.

### Response
- **paging** (Paging) - Pagination details
- **data** (array) - List of PaymentResourceObject
- **errors** (array) - List of ErrorObject
```