curl --request POST \
  --url https://api.adscrawl.net/similar-sites \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "url": "<string>",
  "timeoutMs": 123
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({url: '<string>', timeoutMs: 123})
};

fetch('https://api.adscrawl.net/similar-sites', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.adscrawl.net/similar-sites"

payload = {
    "url": "<string>",
    "timeoutMs": 123
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

package main

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

func main() {

	url := "https://api.adscrawl.net/similar-sites"

	payload := strings.NewReader("{\n  \"url\": \"<string>\",\n  \"timeoutMs\": 123\n}")

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

	req.Header.Add("x-api-key", "<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))

}