curl --request POST \
  --url https://v3-api.newscatcherapi.com/api/sources \
  --header 'Content-Type: application/json' \
  --header 'x-api-token: <api-key>' \
  --data '
{
  "predefined_sources": "top 10 US"
}
'

import requests

url = "https://v3-api.newscatcherapi.com/api/sources"

payload = { "predefined_sources": "top 10 US" }
headers = {
    "x-api-token": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({predefined_sources: 'top 10 US'})
};

fetch('https://v3-api.newscatcherapi.com/api/sources', 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://v3-api.newscatcherapi.com/api/sources",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'predefined_sources' => 'top 10 US'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-token: <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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://v3-api.newscatcherapi.com/api/sources"

	payload := strings.NewReader("{\n  \"predefined_sources\": \"top 10 US\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("x-api-token", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://v3-api.newscatcherapi.com/api/sources")
  .header("x-api-token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"predefined_sources\": \"top 10 US\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://v3-api.newscatcherapi.com/api/sources")

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

request = Net::HTTP::Post.new(url)
request["x-api-token"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"predefined_sources\": \"top 10 US\"\n}"

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

{
  "message": "<string>",
  "sources": [
    {
      "domain_url": "<string>",
      "name_source": "<string>",
      "logo": "<string>",
      "additional_info": {
        "nb_articles_for_7d": 153,
        "country": "US",
        "rank": 117,
        "is_news_domain": true,
        "news_domain_type": "Original Content",
        "news_type": "General News Outlets",
        "robots_compliant": "100%"
      }
    }
  ],
  "user_input": {}
}

{
  "message": "Invalid JSON in request body",
  "status_code": 400,
  "status": "Bad request"
}

{
  "message": "The 'x-api-token' parameter has an invalid value. Please provide a valid API key.",
  "status_code": 401,
  "status": "Unauthorized"
}

{
  "message": "Your plan request date range cannot be greater than 400 days",
  "status_code": 403,
  "status": "Forbidden"
}

{
  "message": "Request timed out after 30 seconds",
  "status_code": 408,
  "status": "Request timeout"
}

{
  "message": "Invalid date format",
  "status_code": 422,
  "status": "Validation error"
}

{
  "message": "Max API requests concurrency reached",
  "status_code": 429,
  "status": "Too many requests"
}

Internal Server Error