{"id":"6d988455-be33-4172-80fc-4239020b3ecb","shortId":"fHVuRf","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 on Questflow's infrastructure. It accepts a text message via POST and returns a response from a Web3 trading agent. The endpoint uses the x402 payment protocol on the Base Sepolia testnet, accepting USDC payments with a maximum amount of 500,000 units (likely 0.50 USDC given 6-decimal USDC) per request.\n\nThe agent is part of Questflow's \"AI Clone\" platform, which aggregates onchain markets including Polymarket, Pump.fun, Opinion Labs, and OKX. The platform's agents are designed to scan markets, detect patterns and sentiment shifts, and execute trades autonomously. However, the specific capabilities of this particular \"Web3 Trader\" swarm agent — such as which markets it covers or what trading strategies it employs — are not documented beyond the generic endpoint description.\n\nThe endpoint schema is straightforward: send a JSON body with an `input` string field containing your message, and receive a JSON response with a `response` string field. The endpoint has a generous timeout of 1200 seconds (20 minutes), suggesting it may perform complex multi-step operations before responding. No OpenAPI spec or dedicated documentation is available for this specific endpoint.","tags":[],"capabilities":["x402-payment","web3-trading-agent","chat-interface","base-sepolia-testnet","usdc-payment","autonomous-agent","onchain-market-aggregation"],"categories":["crypto","llm","trading"],"synonyms":["Web3 trading bot","crypto AI agent","onchain trading assistant","Questflow agent","prediction market bot","DeFi trading agent","x402 trading endpoint"],"warnings":["Testnet only: uses Base Sepolia network, not mainnet — no real funds involved","No dedicated API documentation or OpenAPI spec available","Agent-specific capabilities (which markets, strategies, tools) are not documented","Example response is inferred from schema description, not from actual observed output","20-minute timeout suggests potentially long-running operations with unpredictable latency"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x52254794Ed04651436c0A176A2e49fbc26f5101a","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756","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 input/output schema from the x402 challenge. However, there is no dedicated API documentation, no OpenAPI spec, and the agent's specific capabilities are undocumented. The example response is entirely inferred. This is a testnet endpoint (Base Sepolia), limiting production 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'000':83 '1200':198 '20':200 '500':82 '6':89 'DeFi trading agent' 'Questflow agent' 'Web3 trading bot' 'accept':47,74 'agent':6,21,39,61,95,118,143 'aggreg':105 'ai':38,101 'amount':80 'autonom':132 'autonomous-agent' 'avail':220 'base':3,14,18,29,71 'base-sepolia-testnet' 'beyond':159 'bodi':172 'capabl':136 'chat':2,17 'chat-bas':1,16 'chat-interface' 'clone':102 'complex':206 'contain':178 'cover':149 'crypto AI agent' 'decim':90 'dedic':217 'descript':163 'design':120 'detect':124 'document':158,218 'employ':155 'enabl':37 'endpoint':40,63,162,165,192,224 'execut':130 'field':177,190 'generic':161 'generous':195 'given':88 'host':41 'howev':133 'includ':108 'infrastructur':45 'input':175 'json':171,184 'lab':112 'like':85 'market':107,123,147 'maximum':79 'may':204 'messag':50,180 'minut':201 'multi':208 'multi-step':207 'okx':114 'onchain':106 'onchain trading assistant' 'onchain-market-aggregation' 'openapi':214 'oper':210 'opinion':111 'part':97 'particular':139 'pattern':125 'payabl':10,25 'payment':67,76 'per':92 'perform':205 'platform':103,116 'polymarket':109 'post':52 'power':7,22 'prediction market bot' 'protocol':68 'pump.fun':110 'questflow':9,24,43,99 'receiv':182 'request':93 'respond':212 'respons':56,185,188 'return':54 'scan':122 'schema':166 'second':199 'send':169 'sentiment':127 'sepolia':15,30,72 'shift':128 'spec':215 'specif':135,223 'step':209 'straightforward':168 'strategi':153 'string':176,189 'suggest':202 'swarm':142 'testnet':73 'text':49 'timeout':196 'trade':5,20,60,131,152 'trader':32,141 'unit':84 'usdc':75,87,91 'usdc-payment' 'use':64 'via':11,26,51 'web3':4,19,31,59,140 'web3-trading-agent' 'x402':12,27,36,66 'x402 trading endpoint' 'x402-enabled':35 'x402-payment'","prices":[{"id":"cd6fb596-1481-4d35-96c5-c1c0ca1c5717","listingId":"6d988455-be33-4172-80fc-4239020b3ecb","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x52254794Ed04651436c0A176A2e49fbc26f5101a","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x52254794Ed04651436c0A176A2e49fbc26f5101a","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756","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":"2026-04-18T18:30:51.424Z"}],"sources":[{"listingId":"6d988455-be33-4172-80fc-4239020b3ecb","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:51.424Z","lastSeenAt":"2026-04-22T02:30:10.222Z"}],"details":{"listingId":"6d988455-be33-4172-80fc-4239020b3ecb","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -d '{\"input\": \"What are the top trending prediction markets right now?\"}'","exampleRequest":{"input":"What are the top trending prediction markets right now?"},"exampleResponse":{"response":"Based on current market activity, the top trending prediction markets 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":"Endpoint returns 402 with x402 payment challenge on POST","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756"},{"claim":"Payment is on Base Sepolia using USDC at address 0x036CbD53842c5426634e7929541eC2318f3dCF7e","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f2113e9c162996ee72f756"},{"claim":"Questflow platform aggregates Polymarket, Pump.fun, Opinion Labs, and OKX markets","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"Platform describes AI Clones that scan markets 24/7 and execute trades autonomously","source_url":"https://api-dev.intra-tls2.dctx.link"}],"useCases":["Querying an AI agent for Web3 market insights and trading signals","Integrating autonomous trading intelligence into agent-to-agent workflows via x402","Getting AI-generated analysis of onchain markets like Polymarket or Pump.fun"],"bestFor":["Developers experimenting with x402 payment-gated AI agents on testnet","Agent-to-agent commerce involving Web3 market intelligence","Prototyping pay-per-query trading assistant integrations"],"notFor":["Production trading with real funds (this is on Base Sepolia testnet)","Users needing detailed API documentation or guaranteed SLAs","Bulk historical market data retrieval"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:20.781Z"},"updatedAt":"2026-04-22T02:30:10.222Z"}}