the402 endpoint detail

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uxus.finance api llm

https://uxus.finance/api/llm

answers 402

LLM chat completions for AI agents — no API key, no account, no signup; pay per call in USDC on Base. POST JSON { prompt } or { messages: [{ role, content }] }; optional model (OpenRouter slug), max_tokens (default 800, max 2000). Routes across a 5-model fallback chain so one unavailable model doesn't fail the call. Returns { model, content, usage, latency_ms }. For agents that need inference with

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0xE0Ed7A30589Fec49e98F2085c7162B90FdbB83de
Spec dialect
v1 (declares x402Version 1)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
69 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:18:37.954Z (32d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fuxus.finance%2Fapi%2Fllm"