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api.kadec0.xyz v1 serp
https://api.kadec0.xyz/v1/serp
answers 402
Web search results (SERP). Keyless web search returning ranked title, URL, and snippet for a query — with locale/region targeting, freshness filters (past day, week, month, year), pagination, a news mode that adds publish date and source, and selectable backend engine (auto rotation, or pin Brave, Yahoo, or Yandex).
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 406 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:07:38.492Z (19d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.kadec0.xyz%2Fv1%2Fserp"