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

import requests

url = "https://api.technologychecker.io/v1/segments/{id}/technologies"

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/segments/{id}/technologies', 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/segments/{id}/technologies",
  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/segments/{id}/technologies"

	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/segments/{id}/technologies")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.technologychecker.io/v1/segments/{id}/technologies")

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": {
    "segment": {
      "id": "seg_8f3a2c1b",
      "name": "YC W25 portfolio",
      "type": "list",
      "kind": "upload",
      "domain_count": 5914
    },
    "coverage": {
      "in_corpus": 5114,
      "total": 5914,
      "note": "<string>"
    },
    "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)."
    },
    "freshness": {
      "median_age_days": 12,
      "scanned_7d_pct": 31.4,
      "scanned_30d_pct": 88.2
    },
    "technologies": [
      {
        "id": 2,
        "name": "Cloudflare",
        "category": "CDN",
        "domains": 1785,
        "penetration": 0.663
      }
    ],
    "count": 250,
    "generated_at": "2026-07-29T10:20:11.000Z"
  }
}

{
  "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"
  }
}

{
  "success": false,
  "error": {
    "code": "SEGMENT_QUERY_TIMEOUT",
    "message": "The segment query exceeded the 30s server-side limit.",
    "details": {
      "suggestion": "Narrow the segment — add an employees band, industry, or city — and try again."
    }
  }
}