curl --request GET \
  --url https://api.technologychecker.io/v1/signals/{type} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.technologychecker.io/v1/signals/{type}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.technologychecker.io/v1/signals/{type}', 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/signals/{type}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($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.technologychecker.io/v1/signals/{type}"

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

	req.Header.Add("Authorization", "Bearer <token>")

	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.technologychecker.io/v1/signals/{type}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.technologychecker.io/v1/signals/{type}")

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "success": true,
  "data": {
    "signal": {
      "type": "adoption",
      "verb": "adopted"
    },
    "scope": "category",
    "technology": {},
    "category": {
      "id": 202,
      "name": "Email Marketing",
      "technology_count": 37
    },
    "window_days": 30,
    "min_confidence": 0.5,
    "excludes_first_seen": true,
    "total_sites": 2479434,
    "domains": [
      {
        "domain": "example.com",
        "subdomain": "WWW.EXAMPLE.COM",
        "detection_url": "https://www.example.com",
        "technology_id": 900783,
        "technology_name": "Google Workspace",
        "event_at": "2026-05-31 14:10:33",
        "last_detected": "2026-04-18 07:39:59",
        "detection_rate": 0.86,
        "detection_count": 6,
        "churn_reliability": "high",
        "confidence": {
          "score": 79,
          "label": "high",
          "guard": "scan_flap"
        },
        "company": {
          "name": "Ghostcircusapparel",
          "industry": "Retail Apparel and Fashion",
          "industry_code": 18,
          "employees": "51-200",
          "country": "united states",
          "city": "<string>",
          "state": "<string>",
          "founded": 2015,
          "company_type": "Privately Held"
        }
      }
    ],
    "firmographics": {
      "applied": {
        "country": "united states",
        "employees": "51-200"
      },
      "filtered": true,
      "note": "Results are limited to domains with a matched LinkedIn company that passes these filters (~23–30% of tech-domains have a company match)."
    },
    "count": 1
  }
}

{
  "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": "UNAUTHORIZED",
    "message": "Missing or invalid API key"
  }
}

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