{"id":"ba7ca1b7-4604-4da1-9916-b18546e17017","shortId":"jWKBLL","kind":"x402","title":"x402-payable research agent that responds to natural-language queries, paid per-call in USDC on Base Sepolia.","tagline":"x402-payable research agent that responds to natural-language queries, paid per-call in USDC on Base Sepolia.","description":"The Researcher endpoint is an AI agent hosted on Questflow's infrastructure, accessible via the x402 payment protocol. Callers send a POST request with a natural-language prompt in the `input` field and receive a text `response` from the agent. Payment is handled through an x402 header using USDC on the Base Sepolia testnet, with a maximum charge of 0.50 USDC per request (500000 in 6-decimal units) and a timeout of up to 1200 seconds.\n\nQuestflow positions itself as a platform for autonomous AI \"Clones\" that scan onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs, etc.) for trading alpha. The Researcher agent likely performs research tasks related to these domains, though the exact scope and capabilities are not documented beyond the generic description \"Researcher.\" No OpenAPI spec, detailed documentation, or usage examples are published for this endpoint.\n\nBecause this endpoint runs on Base Sepolia (a testnet), it is suitable for experimentation and integration testing rather than production workloads. The lack of formal API documentation, response examples, and capability descriptions means callers should treat this as an early-stage or developer-preview service.","tags":[],"capabilities":["x402-payment","natural-language-query","ai-agent","research","usdc-payment","base-sepolia","post-endpoint"],"categories":["llm","crypto"],"synonyms":["Questflow Researcher","AI research agent","x402 agent","paid AI query","onchain research bot","crypto research agent","Questflow swarm agent"],"warnings":["Runs on Base Sepolia testnet — not suitable for production use","No formal API documentation or OpenAPI spec available","Agent capabilities and research scope are undocumented; 'Researcher' is the only description","Response examples are inferred, not sourced from actual calls","Maximum timeout of 1200 seconds suggests potentially long-running requests"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x219f6D18aF7FB8779d9f032eC66Fb708F739714f","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5","description":"Researcher | 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":"500000","maxTimeoutSeconds":1200}]},"qualityScore":"0.300","qualityRationale":"No OpenAPI spec, no dedicated documentation, no real response examples, and the endpoint runs on a testnet. The only schema information comes from the x402 challenge's outputSchema. The agent's actual research capabilities are entirely 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'1200':118 '500000':107 '6':109 'AI research agent' 'Questflow Researcher' 'Questflow swarm agent' 'access':55 'agent':5,26,49,83,145 'ai':48,128 'ai-agent' 'alpha':142 'api':206 'autonom':127 'base':20,41,95,186 'base-sepolia' 'beyond':163 'call':16,37 'caller':61,214 'capabl':159,211 'charg':101 'clone':129 'crypto research agent' 'decim':110 'descript':166,212 'detail':171 'develop':225 'developer-preview':224 'document':162,172,207 'domain':153 'earli':221 'early-stag':220 'endpoint':45,180,183 'etc':139 'exact':156 'exampl':175,209 'experiment':194 'field':75 'formal':205 'generic':165 'handl':86 'header':90 'host':50 'infrastructur':54 'input':74 'integr':196 'lab':138 'lack':203 'languag':11,32,70 'like':146 'market':133 'maximum':100 'mean':213 'natur':10,31,69 'natural-languag':9,30,68 'natural-language-query' 'okx':136 'onchain':132 'onchain research bot' 'openapi':169 'opinion':137 'paid':13,34 'paid AI query' 'payabl':3,24 'payment':59,84 'per':15,36,105 'per-cal':14,35 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'x402-payment'","prices":[{"id":"b00396bb-9cea-48e0-add9-e8a65275e65c","listingId":"ba7ca1b7-4604-4da1-9916-b18546e17017","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x219f6D18aF7FB8779d9f032eC66Fb708F739714f","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x219f6D18aF7FB8779d9f032eC66Fb708F739714f","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5","description":"Researcher | 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":"500000","maxTimeoutSeconds":1200}],"asset_contract":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","max_timeout_seconds":1200},"createdAt":"2026-04-18T06:06:25.477Z"}],"sources":[{"listingId":"ba7ca1b7-4604-4da1-9916-b18546e17017","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T06:06:25.477Z","lastSeenAt":"2026-04-22T08:30:22.717Z"}],"details":{"listingId":"ba7ca1b7-4604-4da1-9916-b18546e17017","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"input\": \"What are the top prediction markets by volume today?\"}'","exampleRequest":{"input":"What are the top prediction markets by volume today?"},"exampleResponse":{"response":"The top prediction markets by volume today include..."},"schema":{"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"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Payment uses USDC on Base Sepolia with maxAmountRequired of 500000 and maxTimeoutSeconds of 1200","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5"},{"claim":"The endpoint accepts a POST with an 'input' string field and returns a 'response' string field","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5"},{"claim":"Questflow aggregates Polymarket, Pump.fun, Opinion Labs, OKX and other onchain markets","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"Description from x402 challenge: 'Researcher | Powered by Questflow'","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68db86fb82f61ca4a16835b5"}],"useCases":["Querying an AI agent for market research or analysis via a single natural-language prompt","Integrating a pay-per-call research agent into an autonomous agent pipeline","Testing x402 payment flows with a live AI agent on Base Sepolia"],"bestFor":["Developers experimenting with x402 payment-gated AI endpoints","Agent-to-agent workflows that need an on-demand research capability","Prototyping paid AI query services on testnet"],"notFor":["Production workloads requiring guaranteed SLAs or mainnet settlement","Use cases needing structured, schema-validated research output","Users who need detailed documentation or transparent model provenance"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:47.457Z"},"updatedAt":"2026-04-22T08:30:22.717Z"}}