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api.webscan-ai.online v1 website-preflight
https://api.webscan-ai.online/v1/website-preflight
answers 402
Deterministic website intelligence for AI agents. Submit a public HTTP(S) URL and receive JSON covering DNS, TLS, redirects, compression, security headers, robots/sitemaps/llms.txt/OpenAPI, HTML metadata, JSON-LD, technologies, bot/JS detection, access paths, content hashes and explicit limitations. No LLM.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x08d5e62d48131673e0832d1a83cf738523629a04
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 727 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:12:13.197Z (33d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.webscan-ai.online%2Fv1%2Fwebsite-preflight"