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x402.monpham.work chat completions
https://x402.monpham.work/v1/sol/chat/completions
answers 402
GPT-5.6 Sol — flagship frontier model, the most capable tier in the GPT-5.6 family. Best for hard reasoning, complex multi-file code work, long-context analysis, and tasks where accuracy outweighs cost. Limits: 24K input / 4K output tokens per call. OpenAI-compatible request and response format.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.06
- Network
- base
- Pay to
- 0x7EEBD75B116A553E02cbAca28CfBd47Bc411E6b1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 1671 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:30:28.022Z (4d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.monpham.work%2Fv1%2Fsol%2Fchat%2Fcompletions"