{"id":"5c8dc408-f035-43c2-bae4-f8a34d82090e","shortId":"WAfYGY","kind":"x402","title":"x402-payable AI agent (AIXBT) on Questflow — send a message, pay in USDC on Base, get a response.","tagline":"x402-payable AI agent (AIXBT) on Questflow — send a message, pay in USDC on Base, get a response.","description":"AIXBT Agent is an x402-enabled AI agent hosted on Questflow's platform, accessible via a single POST endpoint. Callers send a text message in the request body and receive a text response from the agent. Payment is handled inline via the x402 protocol: the endpoint requires an X-PAYMENT header carrying a USDC payment on the Base network (up to 100,000 units, i.e. 0.10 USDC given 6-decimal precision). The maximum request timeout is 1,200 seconds.\n\nQuestflow positions itself as a platform for autonomous AI \"Clones\" that scan and trade across on-chain markets (Polymarket, Pump.fun, OKX, Opinion Labs, etc.). The AIXBT Agent appears to be one such agent exposed for programmatic interaction. However, the crawled material provides no specific documentation about what domain expertise AIXBT offers, what data sources it draws on, or what kinds of queries it handles best. The endpoint's own description calls it \"a sophisticated AI agent designed to provide intelligent assistance and automated solutions,\" but no concrete capabilities, rate limits, SLAs, or example conversations are documented.\n\nBecause there is no OpenAPI spec, no dedicated docs page, and no usage examples beyond the x402 challenge metadata, consumers should treat this as a lightly-documented, experimental endpoint. The output schema is simple: a single string response field. There is no streaming, no tool-use protocol, and no structured output beyond plain text.","tags":[],"capabilities":["x402-payment","usdc-base","ai-chat","single-turn-agent","post-endpoint","json-io"],"categories":["llm","crypto"],"synonyms":["AIXBT","questflow agent","x402 AI agent","pay-per-query AI","USDC AI chat","on-chain AI agent","questflow AIXBT","crypto AI assistant"],"warnings":["No OpenAPI or dedicated API documentation found — /docs, /api, /pricing, /README all return 404.","Agent capabilities and domain expertise are unspecified; the description is generic boilerplate.","Exact USDC cost is ambiguous: 100,000 units could mean $0.10 (6-decimal USDC) but this is not explicitly confirmed.","No rate limits, SLAs, or uptime guarantees documented.","The response example is fabricated for illustration; actual agent output is unknown."],"endpointUrl":"https://api.questflow.ai/x402/agent/qrn:agent:68a68dea6913f9f1c46e2666","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0xf33CAC2bB6B26e7615B1873c84e4174Ae193A9aa","extra":{"name":"AUSD","version":"2"},"payTo":"0x1D03E0da51304040e56908a430Dc83Aa931A6f9D","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://api.questflow.ai/x402/agent/qrn:agent:68a68dea6913f9f1c46e2666","description":"A sophisticated AI agent designed to provide intelligent assistance and automated solutions. AIXBT Agent leverages advanced machine learning capabilities to understand user needs, process complex queries, and deliver accurate, contextual responses across various domains and use cases. | Powered by Questflow","outputSchema":{"input":{"type":"http","method":"POST","bodyFields":{"input":{"type":"string","required":true,"description":"Your message to the agent"}},"discoverable":true},"output":{"response":{"type":"string","required":true,"description":"Response from the agent"}}},"maxAmountRequired":"100000","maxTimeoutSeconds":1200}]},"qualityScore":"0.300","qualityRationale":"The x402 challenge provides a minimal input/output schema and payment details, but there is no OpenAPI spec, no dedicated documentation, no usage examples, and no information about the agent's actual domain expertise or limitations. Most listing fields are inferred from very sparse 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