the402 endpoint detail

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api.chit402.com chat completions

https://api.chit402.com/v1/chat/completions

answers 402

Paid inference via x402 USDC on Base and Solana. Cost-plus, quoted, receipted. POST /v1/chat/completions is the recommended surface. Returns signed receipt + public verify_url. Paying this host is real mainnet USDC.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.002
Network
base
Pay to
0x23f713411c30BBd9A989c9cbC22EB0b55F7f7334
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
519 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:11:55.786Z (2h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.chit402.com%2Fv1%2Fchat%2Fcompletions"