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x402.monpham.work chat completions
https://x402.monpham.work/v1/luna/chat/completions
payable
GPT-5.6 Luna — fast, low-cost frontier model (Artificial Analysis Intelligence Index 51.2, GPQA Diamond 91.1%). Best for high-volume chat, classification, extraction, and lightweight agentic loops where latency and cost matter. Limits: 8K input / 2K 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
- $0.003
- Network
- base
- Pay to
- 0x7EEBD75B116A553E02cbAca28CfBd47Bc411E6b1
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 670 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:13:37.007Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.monpham.work%2Fv1%2Fluna%2Fchat%2Fcompletions"