Tool detail

Tech stack detection

Fingerprints a public URL's technology stack: CDN, server, language, frontend framework, CMS, analytics and payment providers, from response signatures.

Categories: Website analysis

Use when

identify the CMS, framework or hosting stack behind a public website
check which analytics or payment providers a site uses

Not for

not for private or authenticated pages — public URLs only
not a security or vulnerability scan — stack fingerprinting only

Inputs

POST JSON body: { url: string, public http(s) URL to fingerprint (required) }

Admitted input schema

{
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Public http(s) URL to fingerprint"
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://agent402.tools/api/tech-stack

Payment

Protocol: x402
Listed price: 0.005 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://agent402.tools/api/tech-stack
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z