### Go - Get IP info with Authorization header

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Performs a GET request to the single lookup endpoint with an Authorization header. Replace 'tryout' with your API key.

```go
package main

import (
    "fmt"
    "net/http"
    "io/ioutil"
)

func main() {
    url := "https://api.ipregistry.co/1.2.3.4"
    method := "GET"

    client := &http.Client {
    }
    req, err := http.NewRequest(method, url, nil)

    if err != nil {
     fmt.Println(err)
    }
    req.Header.Add("Authorization", "ApiKey tryout")

    res, err := client.Do(req)
    defer res.Body.Close()
    body, err := ioutil.ReadAll(res.Body)

    fmt.Println(string(body))
}
```

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

### Authenticate with cURL

Source: https://ipregistry.co/docs/authentication

Examples of using cURL to authenticate via URL parameter or Authorization header.

```bash
curl https://api.ipregistry.co?key=YOUR_API_KEY
curl -H "Authorization: ApiKey YOUR_API_KEY" https://api.ipregistry.co
```

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

### Claude Code Setup

Source: https://ipregistry.co/docs/mcp

Command to add the Ipregistry MCP server to Claude Code via terminal.

```bash
claude mcp add --transport http ipregistry https://mcp.ipregistry.co/mcp \
    --header "Authorization: ApiKey YOUR_API_KEY"
```

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

### C# (RestSharp) - Get IP info

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses RestSharp to make a GET request to the origin endpoint and prints the raw response. Replace 'tryout' with your API key.

```csharp
var client = new RestClient("https://api.ipregistry.co/?key=tryout");
var request = new RestRequest(Method.GET);
IRestResponse response = client.Execute(request);
Console.WriteLine(response.Content);
```

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

### JavaScript (Vanilla) - Get country name

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses XMLHttpRequest to fetch the origin endpoint and logs the country name. Replace 'tryout' with your API key.

```javascript
var request = new XMLHttpRequest();
request.onreadystatechange = function() {
    if (request.readyState === 4 && request.status === 200) {
        var json = JSON.parse(request.responseText);
        console.log('Your country is ' + json['location']['country']['name']);
    }
};
request.open('GET', 'https://api.ipregistry.co/?key=tryout', true);
request.send(null);
```

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

### Response example for security fields

Source: https://ipregistry.co/docs/proxy-tor-threat-detection

Example JSON response from the Ipregistry API showing the security object with boolean fields for various threat indicators. In this example, is_anonymous is true while all other security fields are false.

```json
{
    "security": {
        "is_abuser": false,
        "is_attacker": false,
        "is_bogon": false,
        "is_cloud_provider": false,
        "is_proxy": false,
        "is_relay": false,
        "is_tor": false,
        "is_tor_exit": false,
        "is_vpn": false,
        "is_anonymous": true,
        "is_threat": false
    }
}
```

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

### JavaScript (Fetch) - Get country name

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses the Fetch API to retrieve the origin endpoint and logs the country name. Replace 'tryout' with your API key.

```javascript
fetch('https://api.ipregistry.co/?key=tryout')
    .then(function (response) {
        return response.json();
    })
    .then(function (json) {
        console.log('Your country is ' + json['location']['country']['name']);
    });
```

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

### jQuery - Get country name

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses jQuery's getJSON to fetch the origin endpoint and logs the country name. Replace 'tryout' with your API key.

```javascript
$.getJSON( "https://api.ipregistry.co/?key=tryout", function (json) {
   console.log("Your country is " + json['location']['country']['name'])
});
```

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

### GET /AS{asn}

Source: https://ipregistry.co/docs/endpoints

This endpoint looks up AS data by AS number (ASN).

```APIDOC
## [GET] /AS{asn}

### Description
This endpoint looks up AS data by AS number (ASN).

### Method
GET

### Endpoint
https://api.ipregistry.co/AS1?key=YOUR_API_KEY

### Parameters
#### Path Parameters
- **asn** (string) - Required - The AS number to look up. Example: AS1.

#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
No request body required.

### Response
#### Success Response (200)
Returns AS data for the specified ASN.

#### Response Example
No example provided in the source.

### Notes
- Every request to this endpoint consumes 1 credit.
```

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

### GET /AS

Source: https://ipregistry.co/docs/endpoints

Returns details for the Autonomous System associated with the calling address. This endpoint allows you to look up your own or a visitor's AS data without knowing the ASN or IP address in advance.

```APIDOC
## [GET] /AS

### Description
Returns details for the Autonomous System associated with the calling address. This endpoint allows you to look up your own or a visitor's AS data without knowing the ASN or IP address in advance.

### Method
GET

### Endpoint
https://api.ipregistry.co/AS

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
https://api.ipregistry.co/AS?key=YOUR_API_KEY

### Response
#### Success Response (200)
Details for the Autonomous System associated with the calling address.

```

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

### Bash (cURL) - Get country name

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses cURL and jq to fetch the country name from the origin endpoint. Replace 'tryout' with your own API key for production.

```bash
country=$(curl -s "https://api.ipregistry.co/?key=tryout" | jq ".location.country.name")
echo "Your country is: $country"
```

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

### POST /

Source: https://ipregistry.co/docs/endpoints

Retrieves details for several IP addresses in a single request by POSTing a JSON array of IP addresses. This is an alternative to the comma-separated GET method for batch IP lookup.

```APIDOC
## [POST] /

### Description
Retrieves details for several IP addresses in a single request by POSTing a JSON array of IP addresses. This is an alternative to the comma-separated GET method for batch IP lookup.

### Method
POST

### Endpoint
https://api.ipregistry.co/

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

#### Request Body
- **body** (array of strings) - Required - A JSON array containing all IP addresses you'd like to get the data for.

### Request Example
```
curl --data '["66.165.2.7", "2a01:e35:2f22:e3d0::2", "1.1.1.1"]' \
 --header "Content-Type: application/json" \
 --request POST "https://api.ipregistry.co/?key=YOU_API_KEY"
```

### Response
#### Success Response (200)
For JSON outputs, the response includes a `results` field that has for value a JSON Array that contains one IP data object per requested IP address. For XML outputs, a main element `<results>...</results>` wraps `result` elements.

#### Response Example
(Not provided in the source)

### Notes
A batch IP lookup request costs as many credits as IP addresses specified plus one.
```

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

### GET /AS{asn1},{asn2},...

Source: https://ipregistry.co/docs/endpoints

This endpoint performs a batch AS lookup by passing multiple comma-separated ASNs in the URL.

```APIDOC
## [GET] /AS{asn1},{asn2},...

### Description
This endpoint performs a batch AS lookup by passing multiple comma-separated ASNs in the URL.

### Method
GET

### Endpoint
https://api.ipregistry.co/AS7,AS42?key=YOUR_API_KEY

### Parameters
#### Path Parameters
- **asn1,asn2,...** (string) - Required - Comma-separated list of ASNs to look up. Example: AS7,AS42.

#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
No request body required.

### Response
#### Success Response (200)
Returns a JSON object with a `results` field containing an array of AS data objects, one per requested ASN. For XML output, a main element `<results>` wraps `result` elements.

#### Response Example
No example provided in the source.

### Notes
- A batch AS lookup request costs as many credits as ASNs specified plus one.
```

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

### GET https://api.ipregistry.co/{ip_address}?fields=currency

Source: https://ipregistry.co/docs/detecting-users-currency

Retrieves the currency information for a given IP address. The response includes the ISO 4217 code, localized names, symbols, and formatting details for positive and negative amounts.

```APIDOC
## GET https://api.ipregistry.co/{ip_address}?fields=currency

### Description
Retrieves the currency information for a given IP address. The response includes the ISO 4217 code, localized names, symbols, and formatting details for positive and negative amounts.

### Method
GET

### Endpoint
https://api.ipregistry.co/{ip_address}?fields=currency

### Parameters
#### Path Parameters
- **ip_address** (string) - Required - The IP address to look up.

#### Query Parameters
- **key** (string) - Required - Your API key.
- **fields** (string) - Optional - Specifies which fields to include in the response. Use `currency` to get only the currency object.

### Request Example
```
curl https://api.ipregistry.co/210.138.184.59?key=YOUR_API_KEY&fields=currency
```

### Response
#### Success Response (200)
- **currency** (object) - The currency information for the IP address.
  - **code** (string) - The ISO 4217 3-letter currency code.
  - **name** (string) - The name of the currency in US locale.
  - **name_native** (string) - The name of the currency in native locale based on detected location and primary language.
  - **plural** (string) - The plural name of the given currency in US locale.
  - **plural_native** (string) - The plural name of the given currency in native locale based on detected location and primary language.
  - **symbol** (string) - The symbol of the given currency. For instance, `A$` for Australian dollars.
  - **symbol_native** (string) - The native (local) symbol of the given currency. For instance, `$` for Australian dollars.
  - **format** (object) - Formatting information for amounts.
    - **negative** (object) - Formatting for negative amounts.
      - **prefix** (string) - The currency prefix for negative amounts. For instance, `-` for `-10` euros.
      - **suffix** (string) - The currency suffix for negative amounts. For instance, ` €` for `-10` euros.
    - **positive** (object) - Formatting for positive amounts.
      - **prefix** (string) - The currency prefix for positive amounts. For instance, `$` for `10` US dollars.
      - **suffix** (string) - The currency suffix for positive amounts. For instance, the empty string for `10` US dollars.

#### Response Example
```
"currency": {
    "code": "JPY",
    "name": "Japanese Yen",
    "name_native": "日本円",
    "plural": "Japanese yen",
    "plural_native": "円",
    "symbol": "¥",
    "symbol_native": "￥",
    "format": {
        "negative": {
            "prefix": "-￥",
            "suffix": ""
        },
        "positive": {
            "prefix": "￥",
            "suffix": ""
        }
    }
}
```
```

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

### GET /?key=YOUR_API_KEY

Source: https://ipregistry.co/docs/endpoints

This endpoint returns details for the calling address. It allows you to look up your own —or a visitor to your site IP address details without knowing the IP address in advance.

```APIDOC
## [GET] /?key=YOUR_API_KEY

### Description
This endpoint returns details for the calling address. It allows you to look up your own —or a visitor to your site IP address details without knowing the IP address in advance.

### Method
GET

### Endpoint
https://api.ipregistry.co/?key=YOUR_API_KEY

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

### Response
#### Success Response (200)
- **IP related data** - Details about the calling IP address.
- **User-Agent data** - Information about the user agent, including application type, operating system, software vendor and revision.

### Notes
- This endpoint is intended for client browser requests. If you call it from a server, the response will reflect the IP of the source, essentially your server's IP.
- Every IP information retrieval via this endpoint consumes 1 credit.
```

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

### Example JSON error response

Source: https://ipregistry.co/docs/errors

Shows the structure of an Ipregistry error response, including the error code, message, and resolution fields. Use this to understand the error format when handling API failures.

```json
{
    code: "MISSING_API_KEY",
    message: "You have not supplied an API key.",
    resolution: "Add your API key as a query parameter: https://api.ipregistry.co/?key=YOUR_API_KEY"
}
```

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

### JSON response showing in_eu flag

Source: https://ipregistry.co/docs/enforcing-gdpr-compliance

Example response from the Ipregistry API showing the 'location.in_eu' field set to true, indicating the IP address is in the EU.

```json
{
    "location": {
        "in_eu": true
    }
}
```

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

### Batch IP Lookup with JSON array POST body

Source: https://ipregistry.co/docs/endpoints

Use this cURL command to perform a batch IP lookup by sending a JSON array in the POST body. The request costs as many credits as IP addresses specified plus one; the example with 3 IPs costs 4 credits. The response includes a `results` field containing a JSON array of IP data objects.

```bash
curl --data '["66.165.2.7", "2a01:e35:2f22:e3d0::2", "1.1.1.1"]' \
 --header "Content-Type: application/json" \
 --request POST "https://api.ipregistry.co/?key=YOU_API_KEY"
```

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

### GET /{ip_addresses}

Source: https://ipregistry.co/docs/endpoints

Retrieves details for several IP addresses in a single request, optimizing bulk IP address search. Supports up to 1024 IP addresses per request, mixing IPv4 and IPv6 addresses.

```APIDOC
## [GET] /{ip_addresses}

### Description
Retrieves details for several IP addresses in a single request, optimizing bulk IP address search. Supports up to 1024 IP addresses per request, mixing IPv4 and IPv6 addresses.

### Method
GET

### Endpoint
https://api.ipregistry.co/{ip_addresses}

### Parameters
#### Path Parameters
- **ip_addresses** (string) - Required - Comma-separated list of IP addresses to look up.

#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
```
https://api.ipregistry.co/66.165.2.7,2a01:e35:2f22:e3d0::2,1.1.1.1?key=YOUR_API_KEY
```

### Response
#### Success Response (200)
For JSON outputs, the response includes a `results` field that has for value a JSON Array that contains one IP data object per requested IP address. For XML outputs, a main element `<results>...</results>` wraps `result` elements.

#### Response Example
(Not provided in the source)

### Notes
A batch IP lookup request costs as many credits as IP addresses specified plus one.
```

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

### Batch AS Lookup - comma-separated parameter

Source: https://ipregistry.co/docs/endpoints

Use this method to process multiple ASNs in bulk by appending comma-separated ASNs to the base URL with an HTTP GET request. This is one of two supported methods for batch AS lookup.

```http
https://api.ipregistry.co/AS7,AS42?key=YOUR_API_KEY
```

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

### Sample ips.txt file

Source: https://ipregistry.co/docs/bulk

Sample input file containing IP addresses, one per line, used with the xargs-based lookup commands.

```text
66.165.2.7
1.1.1.1
8.8.4.4

```

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

### Prepare batch JSON with xargs and sed

Source: https://ipregistry.co/docs/bulk

Splits ips.txt into groups of 1024 IPs and transforms each group into a JSON array, saving to ips-batch.txt.

```bash
cat ips.txt | xargs -n 1024 | sed 's/ /","/g' | sed 's/^/["/g' | sed 's/$/"]/g' > ips-batch.txt

```

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

### POST /user_agent?key=YOUR_API_KEY

Source: https://ipregistry.co/docs/endpoints

User-Agent parsing allows detecting any browser, device & OS in real-time to bring user experience to perfection (e.g. native app download, tailored advertising, crawler protection, and more).

```APIDOC
## [POST] /user_agent?key=YOUR_API_KEY

### Description
User-Agent parsing allows detecting any browser, device & OS in real-time to bring user experience to perfection (e.g. native app download, tailored advertising, crawler protection, and more).

### Method
POST

### Endpoint
https://api.ipregistry.co/user_agent?key=YOUR_API_KEY

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

#### Request Body
- **list** (array of strings) - Required - A list containing up to 256 user-agent strings to parse.

### Request Example
["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0"]

### Response
#### Success Response (200)
- **Parsed user-agent data** - Details about the browser, device, and OS for each submitted user-agent.

### Notes
- For every single user-agent value you submit for parsing, it will cost 1 credit. If you provide multiple user-agent values, the cost will be 1 credit plus an additional credit for each user-agent value you submit.
```

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

### Authentication via Query Parameter

Source: https://ipregistry.co/docs/mcp

Authenticate using the key query parameter for clients that cannot send custom headers.

```text
https://mcp.ipregistry.co/mcp?key=YOUR_API_KEY
```

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

### GET /{ip_address}

Source: https://ipregistry.co/docs/endpoints

Retrieves the information associated with the specified IP address. This is the primary Ipregistry endpoint for looking up any given IPv4 or IPv6 address.

```APIDOC
## [GET] /{ip_address}

### Description
Retrieves the information associated with the specified IP address. This is the primary Ipregistry endpoint for looking up any given IPv4 or IPv6 address.

### Method
GET

### Endpoint
https://api.ipregistry.co/{ip_address}

### Parameters
#### Path Parameters
- **ip_address** (string) - Required - The IPv4 or IPv6 address to look up.

#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
```
https://api.ipregistry.co/66.165.2.7?key=YOUR_API_KEY
```

### Response
#### Success Response (200)
Returns the information associated with the specified IP address.

#### Response Example
(Not provided in the source)

### Notes
Every request to the single IP lookup endpoint consumes 1 credit.
```

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

### Visual Studio Code MCP Configuration

Source: https://ipregistry.co/docs/mcp

JSON configuration to add the Ipregistry MCP server to the .vscode/mcp.json file.

```json
{
    "servers": {
        "ipregistry": {
            "type": "http",
            "url": "https://mcp.ipregistry.co/mcp",
            "headers": { "Authorization": "ApiKey YOUR_API_KEY" }
        }
    }
}
```

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

### GET /user_agent

Source: https://ipregistry.co/docs/endpoints

This endpoint parses the user-agent string from the client's request and returns the parsed user-agent data. It is designed for client-side (browser) calls.

```APIDOC
## [GET] /user_agent

### Description
This endpoint parses the user-agent string from the client's request and returns the parsed user-agent data. It is designed for client-side (browser) calls.

### Method
GET

### Endpoint
https://api.ipregistry.co/user_agent?key=YOUR_API_KEY

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

### Request Example
No request body required.

### Response
#### Success Response (200)
Returns parsed user-agent data.

#### Response Example
No example provided in the source.

### Notes
- Each call to this endpoint uses 1 credit.
- If called from a server, the response will be based on the user-agent of the application sending the request from your server.
```

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

### Exclude fields after selecting all with **

Source: https://ipregistry.co/docs/filtering

Select all fields first (using **) before applying exclusions, because an empty field value performs an empty selection.

```http
&fields=**,-location
```

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

### PHP - Batch IP lookup

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses cURL to perform a batch lookup by POSTing a JSON array of IP addresses. Prints the raw response. Replace 'tryout' with your API key.

```php
$curl = curl_init();
$ips = array("66.165.2.7", "1.1.1.1", "8.8.4.4");
curl_setopt_array($curl, array(
    CURLOPT_URL => "https://api.ipregistry.co/?key=tryout",
    CURLOPT_POSTFIELDS => json_encode($ips),
    CURLOPT_HTTPHEADER => array('Content-Type:application/json'),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_TIMEOUT => 10,
    CURLOPT_CUSTOMREQUEST => "POST",
));

$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
```

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

### Single ASN Lookup endpoint

Source: https://ipregistry.co/docs/endpoints

Use this endpoint to look up AS data by AS number (ASN) using an HTTP GET request. Each request consumes 1 credit.

```http
https://api.ipregistry.co/AS1?key=YOUR_API_KEY
```

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

### POST / (Batch AS Lookup)

Source: https://ipregistry.co/docs/endpoints

This endpoint performs a batch AS lookup by sending a JSON array of ASNs in the request body.

```APIDOC
## [POST] / (Batch AS Lookup)

### Description
This endpoint performs a batch AS lookup by sending a JSON array of ASNs in the request body.

### Method
POST

### Endpoint
https://api.ipregistry.co/?key=YOUR_API_KEY

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key.

#### Request Body
- **body** (array of strings) - Required - A JSON array containing the ASNs to look up. Example: ["AS1", "AS6", "AS42"].

### Request Example
```json
["AS1", "AS6", "AS42"]
```

### Response
#### Success Response (200)
Returns a JSON object with a `results` field containing an array of AS data objects, one per requested ASN. For XML output, a main element `<results>` wraps `result` elements.

#### Response Example
No example provided in the source.

### Notes
- A batch AS lookup request costs as many credits as ASNs specified plus one.
```

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

### Cursor MCP Configuration

Source: https://ipregistry.co/docs/mcp

JSON configuration to add the Ipregistry MCP server to the ~/.cursor/mcp.json file.

```json
{
    "mcpServers": {
        "ipregistry": {
            "url": "https://mcp.ipregistry.co/mcp",
            "headers": { "Authorization": "ApiKey YOUR_API_KEY" }
        }
    }
}
```

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

### Swift URLSession request to ipregistry.co API

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses URLSession in Swift to make a GET request to ipregistry.co. Prints an error message on failure or the HTTP response on success.

```swift
import Foundation

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ipregistry.co/?key=tryout")! as URL,
                                  cachePolicy: .useProtocolCachePolicy,
                                  timeoutInterval: 10.0)
request.httpMethod = "GET"

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print("An error occurred while fetching IP Info " + error)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()

```

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

### Specify Output Format with format Parameter

Source: https://ipregistry.co/docs/format

Append the format query parameter to the API URL to switch between JSON and XML output. The API defaults to JSON if no format is specified.

```text
https://api.ipregistry.co/66.165.2.7?key=YOUR_API_KEY&format=xml
```

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

### Batch AS Lookup - JSON array POST body

Source: https://ipregistry.co/docs/endpoints

Use this cURL command to POST a JSON array of ASNs to the batch endpoint. The request costs as many credits as ASNs specified plus one (e.g., 3 ASNs cost 4 credits). The response includes a `results` field containing one AS data object per requested ASN.

```bash
curl --data '["AS1", "AS6", "AS42"]' \
 --header "Content-Type: application/json" \
 --request POST "https://api.ipregistry.co/?key=YOU_API_KEY"
```

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

### Node.js (Vanilla) https request to ipregistry.co API

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses Node.js's built-in https module to make a GET request to the ipregistry.co API. Parses the JSON response and logs the country name from the location object.

```javascript
const https = require('https');
https.get('https://api.ipregistry.co/?key=tryout', res => {
  let payload = '';
  res.on('data', data => {
    payload += data;
  });
  res.on('end', () => {
    const json = JSON.parse(payload);
    console.log('Your country is ' + json['location']['country']['name']);
  });
});

```

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

### Select a single field with fields parameter

Source: https://ipregistry.co/docs/filtering

Select a single top-level field (connection) and all its subfields. The output remains a nested JSON document.

```http
https://api.ipregistry.co/66.165.2.7?key=tryout&fields=connection
```

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

### GET /223.245.175.3?fields=security

Source: https://ipregistry.co/docs/proxy-tor-threat-detection

Retrieves security threat information for a specific IP address. The response includes boolean flags indicating whether the IP is a proxy, Tor node, VPN, abuser, attacker, or other threat category.

```APIDOC
## GET /223.245.175.3?fields=security

### Description
Retrieves security threat information for a specific IP address. The response includes boolean flags indicating whether the IP is a proxy, Tor node, VPN, abuser, attacker, or other threat category.

### Method
GET

### Endpoint
https://api.ipregistry.co/223.245.175.3?fields=security

### Parameters
#### Query Parameters
- **key** (string) - Required - Your API key for authentication.
- **fields** (string) - Optional - Specifies which fields to include in the response. In this example, it is set to 'security'.

### Request Example
```
curl https://api.ipregistry.co/223.245.175.3?key=YOUR_API_KEY&fields=security
```

### Response
#### Success Response (200)
- **security** (object) - Contains security threat flags.
  - **is_abuser** (boolean) - Indicates whether the IP is a known source of abuse.
  - **is_attacker** (boolean) - Indicates whether the IP is a known source of malicious activity.
  - **is_bogon** (boolean) - Indicates whether the IP is a Bogon (unassigned, unaddressable).
  - **is_cloud_provider** (boolean) - Indicates whether the IP is used by a CDN or hosting provider.
  - **is_proxy** (boolean) - Indicates whether the IP is a known proxy.
  - **is_relay** (boolean) - Indicates whether the IP is a known relay (e.g., Apple Private Relay).
  - **is_tor** (boolean) - Indicates whether the IP is a Tor relay.
  - **is_tor_exit** (boolean) - Indicates whether the IP is a Tor exit relay node.
  - **is_vpn** (boolean) - Indicates whether the IP is used by a VPN.
  - **is_anonymous** (boolean) - True if is_proxy OR is_tor is true.
  - **is_threat** (boolean) - True if is_abuser OR is_attacker is true.

#### Response Example
```
{
    "security": {
        "is_abuser": false,
        "is_attacker": false,
        "is_bogon": false,
        "is_cloud_provider": false,
        "is_proxy": false,
        "is_relay": false,
        "is_tor": false,
        "is_tor_exit": false,
        "is_vpn": false,
        "is_anonymous": true,
        "is_threat": false
    }
}
```
```

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

### Authenticate via URL parameter

Source: https://ipregistry.co/docs/authentication

Pass your API key directly in the request URL.

```text
https://api.ipregistry.co?key=YOUR_API_KEY
```

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

### Single IP Lookup endpoint URL

Source: https://ipregistry.co/docs/endpoints

Use this endpoint to retrieve information for a single IPv4 or IPv6 address. Attach the IP address to the base URL using an HTTP GET request. Each request consumes 1 credit.

```http
https://api.ipregistry.co/66.165.2.7?key=YOUR_API_KEY
```

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

### Origin AS Lookup endpoint URL

Source: https://ipregistry.co/docs/endpoints

Use this endpoint to retrieve Autonomous System details for the calling IP address without needing to know the ASN or IP in advance. Replace YOUR_API_KEY with your actual API key.

```text
https://api.ipregistry.co/AS?key=YOUR_API_KEY
```

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

### PHP cURL request to ipregistry.co API

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses cURL to fetch IP information from the ipregistry.co API with the tryout key. Prints the results array or an error message if the request fails.

```php
<?php
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.ipregistry.co/?key=tryout");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
$err = curl_error($ch);
curl_close($ch);

if ($err) {
    echo "An error occurred while retrieving IP info:" . $err;
} else {
    $ipinfo = json_decode($response, true);
    print_r($ipinfo['results']);
}

```

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

### Batch lookup with xargs and curl POST

Source: https://ipregistry.co/docs/bulk

Sends each JSON batch to the batch lookup endpoint using xargs with --max-procs 8. Results may be unordered due to parallel execution; use --max-procs 1 or sort to preserve order.

```bash
cat ips-batch.txt | sed 's/"/\\"/g' | xargs --max-procs 8 --max-args 1 -I% \
    curl --silent --request POST \
         --header "Content-Type: application/json" \
         --data % "https://api.ipregistry.co/?key=YOUR_API_KEY"

```

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

### Request Currency Data via cURL

Source: https://ipregistry.co/docs/detecting-users-currency

Use this cURL command to fetch currency information for a specific IP address by including the currency field in the request.

```bash
curl https://api.ipregistry.co/210.138.184.59?key=YOUR_API_KEY&fields=currency
```

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

### Select multiple fields from same level with square brackets

Source: https://ipregistry.co/docs/filtering

Use square brackets to select several fields from the same level. Characters must be URL encoded: %5B for [ and %5D for ].

```http
&fields=location.country%5Bcapital,code,name%5D
```

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

### User-Agent Parsing curl POST request

Source: https://ipregistry.co/docs/endpoints

Parses user-agent strings via HTTP POST. The body accepts a list of up to 256 entries. Each submitted user-agent costs 1 credit, plus an additional credit per value.

```bash
curl --data '["Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0"]' \
 --header "Content-Type: application/json" \
 --request POST "https://api.ipregistry.co/user_agent?key=YOUR_API_KEY"
```

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

### PHP - Single IP lookup

Source: https://ipregistry.co/docs/getting-location-from-ip-address

Uses cURL to perform a single IP lookup using the client's IP address from $_SERVER['REMOTE_ADDR']. Prints the country code or an error message. Replace 'tryout' with your API key.

```php
$curl = curl_init();
$clientIp = $_SERVER['REMOTE_ADDR'];
curl_setopt_array($curl, array(
  CURLOPT_URL => "https://api.ipregistry.co/" . $clientIp . "?key=tryout",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_TIMEOUT => 10,
  CURLOPT_CUSTOMREQUEST => "GET",
));

$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);

if ($err) {
  echo "An error occurred while retrieving IP info:" . $err;
} else {
  $ipinfo = json_decode($response, true);
  $countryCode = $ipinfo['location']['country']['code'];
  echo $countryCode;
}
```