{"id":"19adf289-c5ae-4bd4-a135-a29917a4a6e7","shortId":"DRHuvx","kind":"x402","title":"Chat-based Web3 trading agent powered by Questflow, payable via x402 on Base Sepolia","tagline":"Chat-based Web3 trading agent powered by Questflow, payable via x402 on Base Sepolia","description":"Web3 Trader is an x402-enabled AI agent endpoint hosted by Questflow. It accepts a text message via POST and returns a response from an autonomous Web3 trading agent. The endpoint is part of Questflow's \"AI Clone\" platform, which aggregates onchain markets including Polymarket, Pump.fun, Opinion Labs, and OKX to discover trading opportunities, execute trades, and generate signals.\n\nThe endpoint uses the x402 payment protocol on the Base Sepolia testnet, accepting USDC payments (asset 0x036CbD53842c5426634e7929541eC2318f3dCF7e) with a max amount of 500,000 units per request and a timeout of up to 1,200 seconds. The input schema is simple: a single required string field called \"input\" containing your message to the agent, and the output is a single string \"response\" field.\n\nBecause this endpoint runs on Base Sepolia (a testnet), it is likely intended for development and experimentation rather than production trading. No detailed API documentation, rate limits, or response format examples are available beyond the outputSchema in the x402 challenge. The underlying Questflow platform claims to scan thousands of markets 24/7 and detect patterns, sentiment shifts, and whale movements, but the specific capabilities exposed through this single chat-style endpoint are unclear.","tags":[],"capabilities":["x402-payment","web3-trading-agent","chat-interface","base-sepolia","usdc-payment","onchain-market-aggregation","autonomous-agent"],"categories":["crypto","llm","trading"],"synonyms":["Web3 trading bot","crypto trading agent","Questflow agent","onchain trading AI","prediction market agent","DeFi trading assistant","x402 trading endpoint"],"warnings":["Endpoint operates on Base Sepolia testnet — not suitable for production or real-money trading","No API documentation or OpenAPI spec available","Response format is inferred from outputSchema; no actual response sample observed","USDC asset address is testnet USDC, not mainnet","Max timeout of 1200 seconds suggests potentially long-running requests"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x56771fedC51E0F352fDAB5d6E0Cd890eB4C3A751","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471","description":"Web3 Trader | 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":"0.450","qualityRationale":"The endpoint is live (402 challenge confirmed) with a clear outputSchema defining input/output fields, but there is no API documentation, no usage examples, no OpenAPI spec, and the endpoint runs on a testnet. The response format example is inferred from the schema, not 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'0x036cbd53842c5426634e7929541ec2318f3dcf7e':107 '1':124 '200':125 '24/7':204 '500':113 'DeFi trading assistant' 'Questflow agent' 'Web3 trading bot' 'accept':45,103 'agent':6,21,39,60,144 'aggreg':72 'ai':38,68 'amount':111 'api':177 'asset':106 'autonom':57 'autonomous-agent' 'avail':186 'base':3,14,18,29,100,159 'base-sepolia' 'beyond':187 'call':137 'capabl':216 'challeng':193 'chat':2,17,222 'chat-bas':1,16 'chat-interface' 'chat-styl':221 'claim':198 'clone':69 'contain':139 'crypto trading agent' 'detail':176 'detect':206 'develop':168 'discov':83 'document':178 'enabl':37 'endpoint':40,62,92,156,224 'exampl':184 'execut':86 'experiment':170 'expos':217 'field':136,153 'format':183 'generat':89 'host':41 'includ':75 'input':128,138 'intend':166 'lab':79 'like':165 'limit':180 'market':74,203 'max':110 'messag':48,141 'movement':212 'okx':81 'onchain':73 'onchain trading AI' 'onchain-market-aggregation' 'opinion':78 'opportun':85 'output':147 'outputschema':189 'part':64 'pattern':207 'payabl':10,25 'payment':96,105 'per':116 'platform':70,197 'polymarket':76 'post':50 'power':7,22 'prediction market agent' 'product':173 'protocol':97 'pump.fun':77 'questflow':9,24,43,66,196 'rate':179 'rather':171 'request':117 'requir':134 'respons':54,152,182 'return':52 'run':157 'scan':200 'schema':129 'second':126 'sentiment':208 'sepolia':15,30,101,160 'shift':209 'signal':90 'simpl':131 'singl':133,150,220 'specif':215 'string':135,151 'style':223 'testnet':102,162 'text':47 'thousand':201 'timeout':120 'trade':5,20,59,84,87,174 'trader':32 'unclear':226 'under':195 'unit':115 'usdc':104 'usdc-payment' 'use':93 'via':11,26,49 'web3':4,19,31,58 'web3-trading-agent' 'whale':211 'x402':12,27,36,95,192 'x402 trading endpoint' 'x402-enabled':35 'x402-payment'","prices":[{"id":"3159bd58-6342-4aee-8468-2fd5f4aba3df","listingId":"19adf289-c5ae-4bd4-a135-a29917a4a6e7","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x56771fedC51E0F352fDAB5d6E0Cd890eB4C3A751","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x56771fedC51E0F352fDAB5d6E0Cd890eB4C3A751","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471","description":"Web3 Trader | 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":"2026-04-18T18:31:16.134Z"}],"sources":[{"listingId":"19adf289-c5ae-4bd4-a135-a29917a4a6e7","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:16.134Z","lastSeenAt":"2026-04-22T02:30:11.260Z"}],"details":{"listingId":"19adf289-c5ae-4bd4-a135-a29917a4a6e7","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <your-x402-payment-header>\" \\\n  -d '{\"input\": \"What are the top prediction market opportunities right now?\"}'","exampleRequest":{"input":"What are the top prediction market opportunities right now?"},"exampleResponse":{"response":"Based on current scanning, here are top opportunities: ..."},"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":"The endpoint accepts 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:68f8a18988e91d0ba6c97471"},{"claim":"Questflow aggregates Polymarket, Pump.fun, Opinion Labs, OKX and other onchain markets","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"The platform claims to scan thousands of markets 24/7 detecting patterns, sentiment shifts, and whale moves","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"Payment is sent to address 0x56771fedC51E0F352fDAB5d6E0Cd890eB4C3A751 using USDC asset 0x036CbD53842c5426634e7929541eC2318f3dCF7e","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f8a18988e91d0ba6c97471"}],"useCases":["Querying an AI agent for Web3 trading insights and market analysis","Programmatic agent-to-agent interaction for onchain market signals","Experimenting with x402 micropayments for AI agent services on testnet","Getting automated analysis across prediction markets and crypto exchanges"],"bestFor":["Developers exploring x402 payment protocol with AI agents","Testing autonomous Web3 trading agent interactions on a testnet","Agent-to-agent workflows needing onchain market intelligence"],"notFor":["Production trading with real funds (this is on Base Sepolia testnet)","Users needing detailed API documentation or guaranteed SLAs","Bulk data retrieval or historical market data queries"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:12.327Z"},"updatedAt":"2026-04-22T02:30:11.260Z"}}