{"id":"1c1cdf0d-c6de-45ad-abf1-ebf31cec3d04","shortId":"KfVdFS","kind":"x402","title":"Pay-per-query Bitcoin market dashboard via x402 — price, volume, market cap, and exchange activity.","tagline":"Pay-per-query Bitcoin market dashboard via x402 — price, volume, market cap, and exchange activity.","description":"This x402 endpoint provides a real-time Bitcoin market overview through a conversational agent interface. You send a natural-language message (e.g., \"What is Bitcoin's current price?\") and receive a text response summarizing key metrics such as price, 24-hour change, market cap, trading volume, circulating supply, and exchange activity.\n\nThe endpoint is hosted on Questflow's development API infrastructure (api-dev.intra-tls2.dctx.link) and is gated by an x402 payment challenge. Payment is accepted in USDC on the Base Sepolia testnet, with a maximum amount of 500,000 units (likely 0.50 USDC given 6-decimal USDC). The payment scheme is \"exact\" and the endpoint accepts HTTP POST requests with a JSON body containing a single required field: `input` (string). The response returns a `response` field (string) with the agent's answer.\n\nBecause this runs on Base Sepolia (a testnet), it is suitable for experimentation and development rather than production use. No formal API documentation, OpenAPI spec, or rate-limit information was found. The underlying platform is Questflow, which builds autonomous AI agents for crypto market analysis and trading.","tags":[],"capabilities":["bitcoin-market-data","real-time-price","market-cap","trading-volume","exchange-activity","natural-language-query","x402-payment","base-sepolia-usdc","conversational-agent"],"categories":["crypto","market-data","llm"],"synonyms":["bitcoin price API","BTC market dashboard","crypto market metrics","bitcoin stats endpoint","BTC price query","cryptocurrency market data","bitcoin exchange activity"],"warnings":["Runs on Base Sepolia testnet — not suitable for production use","No formal API documentation or OpenAPI spec available","Response content is inferred from the endpoint description; no actual response was captured","Development API (api-dev) — stability and availability not guaranteed","Example response is fabricated to illustrate expected format; actual output may differ"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x89c48cE1F794C3bbbB1f19e29EC8aa58058e5448","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab","description":"Real-time dashboard showing Bitcoin's key metrics—price, 24‑hour change, market cap, volume, circulating supply, and exchange activity—providing quick market insight. | 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 with a valid 402 challenge and includes an outputSchema describing input/output fields. However, there is no OpenAPI spec, no dedicated documentation, no usage examples, and the endpoint runs on a testnet (Base Sepolia). The response example is inferred from the description since no actual paid call was 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'000':121 '24':74 '500':120 '6':127 'BTC market dashboard' 'BTC price query' 'accept':107,138 'activ':16,32,85 'agent':47,162,206 'ai':205 'amount':118 'analysi':210 'answer':164 'api':94,186 'api-dev.intra-tls2.dctx.link':96 'autonom':204 'base':112,169 'base-sepolia-usdc' 'bitcoin':5,21,41,59 'bitcoin exchange activity' 'bitcoin price API' 'bitcoin stats endpoint' 'bitcoin-market-data' 'bodi':145 'build':203 'cap':13,29,78 'challeng':104 'chang':76 'circul':81 'contain':146 'convers':46 'conversational-agent' 'crypto':208 'crypto market metrics' 'cryptocurrency market data' 'current':61 'dashboard':7,23 'decim':128 'develop':93,179 'document':187 'e.g':56 'endpoint':35,87,137 'exact':134 'exchang':15,31,84 'exchange-activity' 'experiment':177 'field':150,158 'formal':185 'found':196 'gate':99 'given':126 'host':89 'hour':75 'http':139 'inform':194 'infrastructur':95 'input':151 'interfac':48 'json':144 'key':69 'languag':54 'like':123 'limit':193 'market':6,12,22,28,42,77,209 'market-cap' 'maximum':117 'messag':55 'metric':70 'natur':53 'natural-languag':52 'natural-language-query' 'openapi':188 'overview':43 'pay':2,18 'pay-per-queri':1,17 'payment':103,105,131 'per':3,19 'platform':199 'post':140 'price':10,26,62,73 'product':182 'provid':36 'queri':4,20 'questflow':91,201 'rate':192 'rate-limit':191 'rather':180 'real':39 'real-tim':38 'real-time-price' 'receiv':64 'request':141 'requir':149 'respons':67,154,157 'return':155 'run':167 'scheme':132 'send':50 'sepolia':113,170 'singl':148 'spec':189 'string':152,159 'suitabl':175 'summar':68 'suppli':82 'testnet':114,172 'text':66 'time':40 'trade':79,212 'trading-volume' 'under':198 'unit':122 'usdc':109,125,129 'use':183 'via':8,24 'volum':11,27,80 'x402':9,25,34,102 'x402-payment'","prices":[{"id":"7f3bf247-5afc-43f1-831f-216b12cff62a","listingId":"1c1cdf0d-c6de-45ad-abf1-ebf31cec3d04","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0x89c48cE1F794C3bbbB1f19e29EC8aa58058e5448","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0x89c48cE1F794C3bbbB1f19e29EC8aa58058e5448","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab","description":"Real-time dashboard showing Bitcoin's key metrics—price, 24‑hour change, market cap, volume, circulating supply, and exchange activity—providing quick market insight. | 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":"2026-04-18T18:31:10.012Z"}],"sources":[{"listingId":"1c1cdf0d-c6de-45ad-abf1-ebf31cec3d04","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:10.012Z","lastSeenAt":"2026-04-22T02:30:10.996Z"}],"details":{"listingId":"1c1cdf0d-c6de-45ad-abf1-ebf31cec3d04","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <your-x402-payment-header>\" \\\n  -d '{\"input\": \"What is Bitcoin current price and market cap?\"}'","exampleRequest":{"input":"What is Bitcoin's current price, 24-hour change, and market cap?"},"exampleResponse":{"response":"Bitcoin is currently trading at $104,250, up 2.3% in the last 24 hours. Market cap stands at $2.04T with a 24h trading volume of $38.5B. Circulating supply is 19.7M BTC."},"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":"Payment is accepted in USDC on base-sepolia with maxAmountRequired of 500000","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab"},{"claim":"Endpoint accepts POST with a required 'input' string field and returns a 'response' string field","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab"},{"claim":"Powered by Questflow, a platform for autonomous AI agents in crypto markets","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"Payment address is 0x89c48cE1F794C3bbbB1f19e29EC8aa58058e5448 with USDC asset 0x036CbD53842c5426634e7929541eC2318f3dCF7e","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68f08bf93f7c40190878c7ab"}],"useCases":["Querying current Bitcoin price and 24-hour change programmatically","Getting a quick Bitcoin market summary including market cap and volume","Integrating real-time BTC metrics into an AI agent workflow","Testing x402 micropayment flows with a crypto data endpoint"],"bestFor":["Developers experimenting with x402 payment protocol on testnet","AI agents needing on-demand Bitcoin market snapshots","Quick natural-language queries about Bitcoin market conditions"],"notFor":["Production trading systems requiring guaranteed uptime and mainnet payments","Historical Bitcoin data or charting needs","Non-Bitcoin cryptocurrency data"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:14.269Z"},"updatedAt":"2026-04-22T02:30:10.996Z"}}