{"resource":"https://api.chit402.com/v1/chat/completions","service":"Chit402","areas":["ai_inference"],"answering":true,"http_status":402,"latency_ms":243,"price_usdc":0.002,"buyers_30d":15,"calls_30d":33,"description":"Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk and possession book for agent spend — export, policy, evidence. POST /v1/chat/completions is the x402 USDC door on Base and Sola","id":"e2fb858418ec","category":"AI model answers","accuracy":{"answers_judged":1,"correct":1,"wrong":0,"unscorable":0,"withdrawn":0,"under_review":0,"paid_no_answer":0,"days":1,"first_day":"2026-10-11","last_day":"2026-10-11","share_correct":1,"range_95":[0.207,1],"area":"ai","latest":[{"day":"2026-10-11","at":1791751176,"result":"pass","seller":"3","expected":"3","why":"correct","question":"How many times does the letter 'f' appear in the string 'gcfcbjffjgch'? Reply with the number only."}]},"tool_calls":{"checked":1,"passed_through":1,"dropped":0,"unclear":0,"no_answer":0,"days":1,"last_day":"2026-10-12","latest":[{"day":"2026-10-12","at":1791772447,"result":"passed_through","model":"xfuel/auto","reply":"lookup_code({\"city\": \"Pune\"})","why":"the model called the tool: the seller passed the tools through"}]},"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/e2fb858418ec"}