Tech stack detection

POST https://tools.yukai.uk/api/v1/techstack

Detect the technologies of a website. Fetches the page with headers and cookies (a real browser if the site blocks plain requests) and matches it against the fingerprint list.

Cost

Credits: 63 ($0.0063) per successful call. Failed calls are free. Source price: website-tech-stack-detector/site-analyzed.

Input

Send a JSON body (POST) or the same fields as a query string (GET).

Required: url.

Field	Type	Default	Description
`url` required	string		Page URL. A bare domain such as `example.com` is accepted (https is assumed). Private, local and cloud-metadata addresses are refused.
`minConfidence`	string	`"medium"`	`medium` includes weak single-signal matches; `high` only strong ones.
`includeEvidence`	boolean	`true`	Include up to 3 evidence strings per technology.
`render`	string	`"auto"`	`auto` (default): plain HTTP first, a real Chrome browser only when the site blocks plain requests or needs JavaScript. `never`: HTTP only. `always`: browser only.
`timeoutMs`	integer	`15000`	Page-load timeout in milliseconds.

Examples

Replace tt_live_XXXX with your key from the pricing page.

curl

curl -i -X POST "https://tools.yukai.uk/api/v1/techstack" \
  -H "Authorization: Bearer tt_live_XXXX" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

JavaScript (fetch)

const res = await fetch("https://tools.yukai.uk/api/v1/techstack", {
  method: "POST",
  headers: { "Authorization": "Bearer tt_live_XXXX", "Content-Type": "application/json" },
  body: JSON.stringify({"url":"https://example.com"}),
});
console.log(res.status, res.headers.get("x-credits-charged"), res.headers.get("x-credits-balance"));
console.log(await res.json());

Python (requests)

import requests

r = requests.post(
    "https://tools.yukai.uk/api/v1/techstack",
    headers={"Authorization": "Bearer tt_live_XXXX"},
    json={"url": "https://example.com"},
    timeout=120,
)
print(r.status_code, r.headers.get("x-credits-charged"), r.headers.get("x-credits-balance"))
print(r.json())

Response

JSON with "success": true and the result fields; on failure {"success": false, "error": {"code", "message", "retryable"}} and no credits are used. Every answer carries x-credits-charged (credits used) and x-credits-balance (balance after the call); check the balance any time with GET https://tools.yukai.uk/v1/billing/balance.

Full field list and response schema: OpenAPI spec tech-stack-detection (its servers entry is the marketplace gateway; call https://tools.yukai.uk with your key).

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