curl --request GET \
  --url https://api.sigmamind.ai/v1/phone-numbers \
  --header 'X-API-Key: <api-key>'

import requests

url = "https://api.sigmamind.ai/v1/phone-numbers"

headers = {"X-API-Key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-API-Key': '<api-key>'}};

fetch('https://api.sigmamind.ai/v1/phone-numbers', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.sigmamind.ai/v1/phone-numbers",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-API-Key: <api-key>"
  ],
]);

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

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.sigmamind.ai/v1/phone-numbers"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-API-Key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.sigmamind.ai/v1/phone-numbers")
  .header("X-API-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sigmamind.ai/v1/phone-numbers")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["X-API-Key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "data": [
    {
      "sipPhoneNumber": "+14155552671",
      "provider": "twilio",
      "inboundAgentId": "agent_D5D0p7TUs66TTAEAx",
      "outboundAgentId": "agent_D5D0p7TUs66TTAEAx",
      "outboundPhoneNumber": "+14155552671",
      "active": true,
      "terminationSipURI": "sip.telnyx.com",
      "friendlyName": "Support Line - US"
    }
  ],
  "page": 0,
  "size": 20,
  "totalCount": 125,
  "totalPages": 7,
  "hasNext": true,
  "hasPrevious": false
}

{
  "error": "Bad Request",
  "message": "Invalid request parameters",
  "path": "/v1/phone-numbers",
  "status": 400,
  "timestamp": "2026-05-05T10:06:46.064Z"
}

{
  "error": "Unauthorized",
  "message": "X-API-Key is missing or invalid",
  "path": "/v1/phone-numbers",
  "status": 401,
  "timestamp": "2026-05-05T10:06:46.064Z"
}

{
  "error": "Forbidden",
  "message": "Access denied for this resource",
  "path": "/v1/phone-numbers",
  "status": 403,
  "timestamp": "2026-05-05T10:06:46.064Z"
}

{
  "error": "Not Found",
  "message": "The requested resource was not found",
  "path": "/v1/phone-numbers",
  "status": 404,
  "timestamp": "2026-05-05T10:06:46.064Z"
}

{
  "error": "Internal Server Error",
  "message": "Unexpected server error",
  "path": "/v1/phone-numbers",
  "status": 500,
  "timestamp": "2026-05-05T10:06:46.064Z"
}