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riddlex402.vercel.app api riddle
https://riddlex402.vercel.app/api/riddle
payable
Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x255CdB4e42afeFc7120B0388eB78f96d996d387b
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 210 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:10:05.626Z (2d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Friddlex402.vercel.app%2Fapi%2Friddle"