{"id":"3d2b056d-f0a4-42c0-8adc-1b820425f46c","shortId":"XXLKuz","kind":"x402","title":"Questflow Swarm agent endpoint: send a message, get an AI agent response via x402 micropayment.","tagline":"Questflow Swarm agent endpoint: send a message, get an AI agent response via x402 micropayment.","description":"This is an x402-enabled endpoint hosted by Questflow on their development API server (api-dev.intra-tls2.dctx.link). It exposes a single POST interface that accepts a text message and returns a text response from an AI agent identified by the QRN `qrn:swarm:68f206389c162996ee72e102`. Payment is required via the x402 protocol using USDC on the Base Sepolia testnet, with a maximum cost of 0.5 USDC (500000 in token units) per request and a timeout of up to 1200 seconds.\n\nQuestflow is a platform focused on autonomous AI \"Clones\" that aggregate onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs) to discover alpha, execute trades, and generate revenue. This particular endpoint appears to be a generic agent chat interface — the x402 challenge description provides no specific context about the agent's specialization, stating only that \"the project is categorized under a generic placeholder.\" The endpoint is live and returns a proper 402 challenge when called without payment.\n\nNotable caveats: this is a development/testnet endpoint (Base Sepolia, not mainnet), there is no OpenAPI spec or dedicated documentation available, and the agent's actual capabilities are unspecified. The output schema indicates a simple request/response string pattern. Users should treat this as experimental.","tags":[],"capabilities":["x402-payment","ai-agent-chat","base-sepolia-usdc","post-endpoint","questflow-swarm"],"categories":["llm","crypto"],"synonyms":["questflow agent","ai clone chat","x402 agent endpoint","swarm agent","questflow swarm","onchain ai agent","paid ai chat"],"warnings":["Agent purpose is unspecified — the description is literally 'generic placeholder'","This is a development endpoint on Base Sepolia testnet, not production/mainnet","No OpenAPI spec or API documentation available","Response example is inferred from outputSchema, not from an actual observed response","Maximum timeout of 1200 seconds suggests potentially long-running agent tasks"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x0a15d92d44cF8E905047B0B0a50600481F8DC454","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102","description":"The content provides no specific context, so the project is categorized under a generic placeholder. | 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":"0.350","qualityRationale":"The endpoint is live and returns a valid x402 challenge with an output schema, but the agent's purpose is entirely unspecified (described as a 'generic placeholder'), there is no OpenAPI spec, no documentation, and this is a development/testnet endpoint. The response example is inferred from the output schema, not 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'1200':107 '402':178 '500000':95 '68f206389c162996ee72e102':73 'accept':54 'actual':208 'agent':3,11,18,26,66,143,156,206 'aggreg':119 'ai':10,25,65,116 'ai clone chat' 'ai-agent-chat' 'alpha':129 'api':44 'api-dev.intra-tls2.dctx.link':46 'appear':138 'autonom':115 'avail':203 'base':85,191 'base-sepolia-usdc' 'call':181 'capabl':209 'categor':165 'caveat':185 'challeng':148,179 'chat':144 'clone':117 'context':153 'cost':91 'dedic':201 'descript':149 'develop':43 'development/testnet':189 'discov':128 'document':202 'enabl':36 'endpoint':4,19,37,137,171,190 'execut':130 'experiment':226 'expos':48 'focus':113 'generat':133 'generic':142,168 'get':8,23 'host':38 'identifi':67 'indic':215 'interfac':52,145 'lab':126 'live':173 'mainnet':194 'market':121 'maximum':90 'messag':7,22,57 'micropay':15,30 'notabl':184 'okx':124 'onchain':120 'onchain ai agent' 'openapi':198 'opinion':125 'output':213 'paid ai chat' 'particular':136 'pattern':220 'payment':74,183 'per':99 'placehold':169 'platform':112 'polymarket':122 'post':51 'post-endpoint' 'project':163 'proper':177 'protocol':80 'provid':150 'pump.fun':123 'qrn':70,71 'questflow':1,16,40,109 'questflow agent' 'questflow swarm' 'questflow-swarm' 'request':100 'request/response':218 'requir':76 'respons':12,27,62 'return':59,175 'revenu':134 'schema':214 'second':108 'send':5,20 'sepolia':86,192 'server':45 'simpl':217 'singl':50 'spec':199 'special':158 'specif':152 'state':159 'string':219 'swarm':2,17,72 'swarm agent' 'testnet':87 'text':56,61 'timeout':103 'token':97 'trade':131 'treat':223 'unit':98 'unspecifi':211 'usdc':82,94 'use':81 'user':221 'via':13,28,77 'without':182 'x402':14,29,35,79,147 'x402 agent endpoint' 'x402-enabled':34 'x402-payment'","prices":[{"id":"99e91cb3-b887-49e8-9fb9-1def663c1036","listingId":"3d2b056d-f0a4-42c0-8adc-1b820425f46c","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x0a15d92d44cF8E905047B0B0a50600481F8DC454","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x0a15d92d44cF8E905047B0B0a50600481F8DC454","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102","description":"The content provides no specific context, so the project is categorized under a generic placeholder. | 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":"2026-04-18T18:31:08.819Z"}],"sources":[{"listingId":"3d2b056d-f0a4-42c0-8adc-1b820425f46c","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:08.819Z","lastSeenAt":"2026-04-22T02:30:10.942Z"}],"details":{"listingId":"3d2b056d-f0a4-42c0-8adc-1b820425f46c","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102 \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <your-x402-payment-header>\" \\\n  -d '{\"input\": \"Hello, what can you do?\"}'","exampleRequest":{"input":"Hello, what can you do?"},"exampleResponse":{"response":"I can help you with various tasks. How can I assist you today?"},"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 returns a 402 challenge requiring USDC payment on Base Sepolia with maxAmountRequired of 500000","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102"},{"claim":"Questflow is a platform for AI Clones that aggregate onchain markets including Polymarket, Pump.fun, OKX, and Opinion Labs","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"The x402 challenge description states the project is categorized under a generic placeholder, powered by Questflow","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f206389c162996ee72e102"}],"useCases":["Sending natural-language queries to a Questflow swarm agent and receiving AI-generated responses","Testing x402 micropayment flows on Base Sepolia testnet","Integrating autonomous AI agent capabilities into agent-to-agent workflows"],"bestFor":["Developers experimenting with x402 payment protocol on testnet","Agent-to-agent communication via paid chat endpoints","Exploring Questflow's swarm agent infrastructure"],"notFor":["Production/mainnet use (this is a Base Sepolia testnet endpoint)","Users needing well-documented, schema-rich APIs with guaranteed SLAs","Anyone expecting a specific, well-defined agent capability (the agent's purpose is unspecified)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:14.778Z"},"updatedAt":"2026-04-22T02:30:10.942Z"}}