{"id":"96a4d704-8385-4816-8ad7-32130e859254","shortId":"9Gbnap","kind":"x402","title":"Pay-per-message AI agent endpoint on Questflow's swarm network (Base Sepolia testnet)","tagline":"Pay-per-message AI agent endpoint on Questflow's swarm network (Base Sepolia testnet)","description":"This x402-enabled endpoint exposes a conversational AI agent on Questflow's swarm infrastructure. Callers send a POST request with a text message in the `input` field and receive a text `response` from the agent. Payment is handled via the x402 protocol using USDC on the Base Sepolia testnet, with a maximum charge of 0.5 USDC per request (6-decimal token, so 500000 = 0.5 USDC).\n\nQuestflow is a platform for creating autonomous AI \"Clones\" that aggregate onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs, etc.) to discover trading alpha, execute trades, and generate revenue. This particular endpoint is labeled \"Personal use\" and is identified by the swarm resource ID `qrn:swarm:68f9f4e6c87f09b65914893d`. The endpoint is live and returns a proper 402 challenge when called without payment.\n\nDocumentation is extremely sparse — there is no OpenAPI spec, no dedicated API docs page, and the only schema information comes from the x402 challenge's `outputSchema` field. The agent's specific capabilities, personality, or domain expertise are not described beyond the generic \"Personal use\" label. Callers should treat this as an experimental testnet endpoint.","tags":[],"capabilities":["x402-payment","conversational-agent","base-sepolia-usdc","post-json","swarm-endpoint"],"categories":["llm","crypto"],"synonyms":["questflow agent","questflow swarm","x402 chat agent","pay-per-message AI","onchain AI agent","questflow clone","crypto trading agent"],"warnings":["Testnet only: payments use USDC on Base Sepolia, not mainnet","No API documentation or OpenAPI spec available","Agent purpose and capabilities are undocumented beyond 'Personal use' label","Response example is inferred/fabricated from the outputSchema; no real response was captured","The endpoint is on a dev subdomain (api-dev), suggesting it may be unstable or experimental"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x9fD64573A805362d6D43bE7AC291F61F518E7C2b","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d","description":"Personal use | 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 (402 challenge confirmed) and has a minimal outputSchema, but there is no OpenAPI spec, no dedicated documentation, no usage examples, and the agent's purpose is described only as \"Personal use.\" Almost all listing details are inferred from the x402 challenge payload and the Questflow landing 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'402':151 '500000':94 '6':90 '68f9f4e6c87f09b65914893d':142 'agent':6,21,40,66,185 'aggreg':107 'ai':5,20,39,104 'alpha':119 'api':168 'autonom':103 'base':13,28,78 'base-sepolia-usdc' 'beyond':196 'call':154 'caller':46,202 'capabl':188 'challeng':152,180 'charg':84 'clone':105 'come':176 'convers':38 'conversational-agent' 'creat':102 'crypto trading agent' 'decim':91 'dedic':167 'describ':195 'discov':117 'doc':169 'document':157 'domain':191 'enabl':34 'endpoint':7,22,35,127,144,210 'etc':115 'execut':120 'experiment':208 'expertis':192 'expos':36 'extrem':159 'field':58,183 'generat':123 'generic':198 'handl':69 'id':139 'identifi':134 'inform':175 'infrastructur':45 'input':57 'lab':114 'label':129,201 'live':146 'market':109 'maximum':83 'messag':4,19,54 'network':12,27 'okx':112 'onchain':108 'onchain AI agent' 'openapi':164 'opinion':113 'outputschema':182 'page':170 'particular':126 'pay':2,17 'pay-per-messag':1,16 'pay-per-message AI' 'payment':67,156 'per':3,18,88 'person':130,189,199 'platform':100 'polymarket':110 'post':49 'post-json' 'proper':150 'protocol':73 'pump.fun':111 'qrn':140 'questflow':9,24,42,97 'questflow agent' 'questflow clone' 'questflow swarm' 'receiv':60 'request':50,89 'resourc':138 'respons':63 'return':148 'revenu':124 'schema':174 'send':47 'sepolia':14,29,79 'spars':160 'spec':165 'specif':187 'swarm':11,26,44,137,141 'swarm-endpoint' 'testnet':15,30,80,209 'text':53,62 'token':92 'trade':118,121 'treat':204 'usdc':75,87,96 'use':74,131,200 'via':70 'without':155 'x402':33,72,179 'x402 chat agent' 'x402-enabled':32 'x402-payment'","prices":[{"id":"da523b23-ac32-48c9-badd-f8bc43c44733","listingId":"96a4d704-8385-4816-8ad7-32130e859254","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x9fD64573A805362d6D43bE7AC291F61F518E7C2b","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x9fD64573A805362d6D43bE7AC291F61F518E7C2b","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d","description":"Personal use | 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":"2026-04-18T18:31:09.416Z"}],"sources":[{"listingId":"96a4d704-8385-4816-8ad7-32130e859254","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:09.416Z","lastSeenAt":"2026-04-22T02:30:10.967Z"}],"details":{"listingId":"96a4d704-8385-4816-8ad7-32130e859254","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402_payment_token>\" \\\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":"Endpoint returns a 402 challenge with x402Version 1 and accepts USDC on base-sepolia","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d"},{"claim":"maxAmountRequired is 500000 (0.5 USDC with 6 decimals) and maxTimeoutSeconds is 1200","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d"},{"claim":"Questflow aggregates Polymarket, Pump.fun, OKX, Opinion Labs and other onchain markets","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"The outputSchema specifies a POST method with an 'input' string field and a 'response' string output","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9f4e6c87f09b65914893d"}],"useCases":["Sending paid chat messages to an autonomous AI agent","Integrating a pay-per-call conversational agent into an automated workflow","Testing x402 payment flows on Base Sepolia testnet"],"bestFor":["Developers experimenting with x402 payment protocol","Testing pay-per-message agent interactions on a testnet","Exploring Questflow's swarm agent infrastructure"],"notFor":["Production workloads requiring mainnet settlement","Users needing detailed API documentation or SLAs","General-purpose LLM chat without crypto payment requirements"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:14.606Z"},"updatedAt":"2026-04-22T02:30:10.967Z"}}