{"id":"27195848-b5a5-4b83-891c-c8e99ebc3e32","shortId":"MSdvTB","kind":"x402","title":"Pay-per-message AI agent endpoint on Questflow's swarm network via x402 micropayments","tagline":"Pay-per-message AI agent endpoint on Questflow's swarm network via x402 micropayments","description":"This x402-enabled endpoint exposes a Questflow \"swarm\" agent that accepts a text message and returns an AI-generated response. Payment is handled via the x402 protocol on Base Sepolia using USDC (test token at 0x036CbD53842c5426634e7929541eC2318f3dCF7e), with a maximum charge of 0.5 USDC per request (500000 in token units, assuming 6 decimals). The endpoint accepts HTTP POST requests with a JSON body containing an \"input\" string field and returns a JSON object with a \"response\" string field.\n\nQuestflow is a platform for creating autonomous AI \"Clones\" that aggregate onchain markets (Polymarket, Pump.fun, OKX, Opinion Labs) for trading, signal generation, and other tasks. This particular endpoint is labeled \"Personal use\" and appears to be a development/testnet deployment (api-dev subdomain, Base Sepolia network). No OpenAPI spec, dedicated documentation, or pricing page was found for this API — the only schema information comes from the x402 challenge's outputSchema field.\n\nBecause this runs on Base Sepolia (a testnet), the USDC payments are not real money. The endpoint has a maximum timeout of 1200 seconds (20 minutes), suggesting potentially long-running agent tasks. Very little is known about the agent's actual capabilities, knowledge, or behavior beyond the generic \"Personal use\" label.","tags":[],"capabilities":["x402-payment","ai-agent-chat","base-sepolia","usdc-micropayment","questflow-swarm","http-post","json-response"],"categories":["llm","crypto"],"synonyms":["questflow agent","ai clone","swarm agent","x402 ai endpoint","pay-per-message ai","crypto ai agent","questflow swarm","micropayment chatbot"],"warnings":["Development/testnet endpoint (api-dev subdomain, Base Sepolia network) — not suitable for production use","No API documentation found — /docs, /api, /pricing, /README all return 404","Response format and agent behavior are inferred from minimal outputSchema; actual responses may differ","USDC on Base Sepolia is a test token with no real monetary value","Agent capabilities behind 'Personal use' label are completely unspecified"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x86ba9d01e61A8b40c5f0f52f6a501B5178608d2d","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a","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":"0.250","qualityRationale":"No OpenAPI spec, no documentation, no examples, and the endpoint is on a dev/testnet deployment. The only schema information comes from the x402 challenge outputSchema. The response example is entirely inferred. The parent platform (Questflow) focuses on trading clones, but this specific endpoint's behavior is 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'0x036cbd53842c5426634e7929541ec2318f3dcf7e':68 '1200':203 '20':205 '500000':78 '6':83 'accept':42,87 'actual':222 'agent':6,21,40,212,220 'aggreg':120 'ai':5,20,50,117 'ai clone' 'ai-agent-chat' 'ai-gener':49 'api':150,168 'api-dev':149 'appear':143 'assum':82 'autonom':116 'base':61,153,185 'base-sepolia' 'behavior':226 'beyond':227 'bodi':94 'capabl':223 'challeng':177 'charg':72 'clone':118 'come':173 'contain':95 'creat':115 'crypto ai agent' 'decim':84 'dedic':159 'deploy':148 'dev':151 'development/testnet':147 'document':160 'enabl':34 'endpoint':7,22,35,86,137,197 'expos':36 'field':99,109,180 'found':165 'generat':51,131 'generic':229 'handl':55 'http':88 'http-post' 'inform':172 'input':97 'json':93,103 'json-response' 'knowledg':224 'known':217 'lab':127 'label':139,232 'littl':215 'long':210 'long-run':209 'market':122 'maximum':71,200 'messag':4,19,45 'micropay':15,30 'micropayment chatbot' 'minut':206 'money':195 'network':12,27,155 'object':104 'okx':125 'onchain':121 'openapi':157 'opinion':126 'outputschema':179 'page':163 'particular':136 'pay':2,17 'pay-per-messag':1,16 'pay-per-message ai' 'payment':53,191 'per':3,18,76 'person':140,230 'platform':113 'polymarket':123 'post':89 'potenti':208 'price':162 'protocol':59 'pump.fun':124 'questflow':9,24,38,110 'questflow agent' 'questflow swarm' 'questflow-swarm' 'real':194 'request':77,90 'respons':52,107 'return':47,101 'run':183,211 'schema':171 'second':204 'sepolia':62,154,186 'signal':130 'spec':158 'string':98,108 'subdomain':152 'suggest':207 'swarm':11,26,39 'swarm agent' 'task':134,213 'test':65 'testnet':188 'text':44 'timeout':201 'token':66,80 'trade':129 'unit':81 'usdc':64,75,190 'usdc-micropayment' 'use':63,141,231 'via':13,28,56 'x402':14,29,33,58,176 'x402 ai endpoint' 'x402-enabled':32 'x402-payment'","prices":[{"id":"6d42b7e4-54e7-4064-bf5b-2c116d2e240d","listingId":"27195848-b5a5-4b83-891c-c8e99ebc3e32","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x86ba9d01e61A8b40c5f0f52f6a501B5178608d2d","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x86ba9d01e61A8b40c5f0f52f6a501B5178608d2d","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a","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":"2026-04-18T18:30:36.253Z"}],"sources":[{"listingId":"27195848-b5a5-4b83-891c-c8e99ebc3e32","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:30:36.253Z","lastSeenAt":"2026-04-22T05:30:20.809Z"}],"details":{"listingId":"27195848-b5a5-4b83-891c-c8e99ebc3e32","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a \\\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":"x402 challenge requires payment on Base Sepolia with maxAmountRequired of 500000 in USDC","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a"},{"claim":"Endpoint accepts POST with 'input' string field and returns 'response' string field per outputSchema","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a"},{"claim":"Maximum timeout is 1200 seconds","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f9d8b924ab2957781bbd4a"},{"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"}],"useCases":["Sending a text prompt to an AI agent and receiving a response via x402 micropayment","Testing x402 payment flows with a live AI agent on Base Sepolia testnet","Integrating an autonomous AI agent into a workflow that supports x402 payment headers"],"bestFor":["Developers experimenting with x402 payment protocol for AI services","Testing pay-per-call AI agent interactions on a testnet","Exploring Questflow's swarm agent infrastructure"],"notFor":["Production workloads requiring mainnet payments and SLAs","Users needing detailed API documentation or guaranteed response formats","High-throughput or low-latency use cases (20-minute max timeout)"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:29.486Z"},"updatedAt":"2026-04-22T05:30:20.809Z"}}