---
title: "Website Tech Stack Checker: CMS, Framework, CDN, Analytics"
method: GET
path: "/v1/tech-stack-lookup"
tags: ["tech stack"]
---

# Website Tech Stack Checker: CMS, Framework, CDN, Analytics

`GET /v1/tech-stack-lookup`

## Request

- Base URL: `https://api.ambolt.dev`
- URL: `https://api.ambolt.dev/v1/tech-stack-lookup`
- Auth: none required

Detect the technologies a public website uses: CMS or site builder, JavaScript framework, CDN and hosting, web server, analytics and tag managers, advertising pixels, support widgets, payments, consent tools. Each result shows its evidence (header, meta tag, script URL or page source) and a confidence level. Reads one page; respects robots.txt.

## Query parameters

- `url` string: One public http(s) URL or domain. Use this or urls.
- `urls` string[]: Up to 20 URLs or domains; each successfully checked site is one billable result.
- `free` '1'

## Response `200`

Result (JSON). Every result names its source and the time it was read.

- object

## Other responses

- `400`: Invalid input; not charged.
- `402`: Payment required: 0.005 USD in USDC (x402 v2).

---

[API](https://skmtc.dev/ambolt/apis/ambolt-data-tools.md) · [All operations](https://skmtc.dev/ambolt/apis/ambolt-data-tools/llms.txt) · [OpenAPI document](https://skmtc.dev/ambolt/apis/ambolt-data-tools/revisions/8397885dd82f?raw)