the402 endpoint detail

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x402.monpham.work chat completions

https://x402.monpham.work/v1/terra/chat/completions

answers 402

GPT-5.6 Terra — balanced frontier model (Intelligence Index 55.0, GPQA Diamond 92.5%, Terminal-Bench Hard 57.6%). Best for everyday coding, multi-step reasoning, and agentic tasks needing more capability than Luna without Sol's cost. Limits: 16K 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
$0.03
Network
base
Pay to
0x7EEBD75B116A553E02cbAca28CfBd47Bc411E6b1
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
714 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:30:17.768Z (3d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.monpham.work%2Fv1%2Fterra%2Fchat%2Fcompletions"