curl --request POST \
  --url https://api.technologychecker.io/v1/leads/create \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "US SaaS Companies using Cloudflare",
  "technologies": {
    "ids": [
      2
    ],
    "logic": "or"
  },
  "countries": [
    "United States"
  ],
  "industries": [
    "Software Development"
  ],
  "employees": [
    "51-200",
    "201-500"
  ],
  "has_email": true,
  "list_size": 10000
}
'

import requests

url = "https://api.technologychecker.io/v1/leads/create"

payload = {
    "name": "US SaaS Companies using Cloudflare",
    "technologies": {
        "ids": [2],
        "logic": "or"
    },
    "countries": ["United States"],
    "industries": ["Software Development"],
    "employees": ["51-200", "201-500"],
    "has_email": True,
    "list_size": 10000
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: 'US SaaS Companies using Cloudflare',
    technologies: {ids: [2], logic: 'or'},
    countries: ['United States'],
    industries: ['Software Development'],
    employees: ['51-200', '201-500'],
    has_email: true,
    list_size: 10000
  })
};

fetch('https://api.technologychecker.io/v1/leads/create', 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.technologychecker.io/v1/leads/create",
  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([
    'name' => 'US SaaS Companies using Cloudflare',
    'technologies' => [
        'ids' => [
                2
        ],
        'logic' => 'or'
    ],
    'countries' => [
        'United States'
    ],
    'industries' => [
        'Software Development'
    ],
    'employees' => [
        '51-200',
        '201-500'
    ],
    'has_email' => true,
    'list_size' => 10000
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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://api.technologychecker.io/v1/leads/create"

	payload := strings.NewReader("{\n  \"name\": \"US SaaS Companies using Cloudflare\",\n  \"technologies\": {\n    \"ids\": [\n      2\n    ],\n    \"logic\": \"or\"\n  },\n  \"countries\": [\n    \"United States\"\n  ],\n  \"industries\": [\n    \"Software Development\"\n  ],\n  \"employees\": [\n    \"51-200\",\n    \"201-500\"\n  ],\n  \"has_email\": true,\n  \"list_size\": 10000\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.technologychecker.io/v1/leads/create")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"US SaaS Companies using Cloudflare\",\n  \"technologies\": {\n    \"ids\": [\n      2\n    ],\n    \"logic\": \"or\"\n  },\n  \"countries\": [\n    \"United States\"\n  ],\n  \"industries\": [\n    \"Software Development\"\n  ],\n  \"employees\": [\n    \"51-200\",\n    \"201-500\"\n  ],\n  \"has_email\": true,\n  \"list_size\": 10000\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.technologychecker.io/v1/leads/create")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"US SaaS Companies using Cloudflare\",\n  \"technologies\": {\n    \"ids\": [\n      2\n    ],\n    \"logic\": \"or\"\n  },\n  \"countries\": [\n    \"United States\"\n  ],\n  \"industries\": [\n    \"Software Development\"\n  ],\n  \"employees\": [\n    \"51-200\",\n    \"201-500\"\n  ],\n  \"has_email\": true,\n  \"list_size\": 10000\n}"

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

{
  "success": true,
  "data": {
    "list_id": "f6ab2d94-c34f-47b7-9d1a-228e71488cd2",
    "status": "processing",
    "estimated_count": 10000,
    "credits_charged": 10000,
    "created_at": "2026-01-15T19:19:21.179Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Provide exactly one scope: technology_id, technology or category_id."
  }
}

{
  "success": false,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Missing or invalid API key"
  }
}

{
  "success": false,
  "error": {
    "code": "INSUFFICIENT_CREDITS",
    "message": "Insufficient credits for this request.",
    "details": {
      "required": 1,
      "available": 0
    }
  }
}

{
  "success": false,
  "error": {
    "code": "PLAN_LIMIT",
    "message": "Your plan allows up to 2 saved audiences. Delete one to create another."
  }
}

{
  "success": false,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Missing or invalid API key"
  }
}

{
  "success": false,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Missing or invalid API key"
  }
}