{"id":"d6ee3fe2-efc1-4eed-b0be-44df67e43538","shortId":"mxrSt7","kind":"x402","title":"Top 10 crypto losers dashboard: 24h price declines, volumes, and market cap rankings via x402 payment.","tagline":"Top 10 crypto losers dashboard: 24h price declines, volumes, and market cap rankings via x402 payment.","description":"This x402-payable endpoint returns a dashboard of the top 10 cryptocurrencies with the largest price declines over the past 24 hours. The response includes current prices, percentage changes, trading volumes, and market cap rankings, giving a snapshot of the day's biggest market losers.\n\nThe endpoint is hosted by Questflow on their development API server and accepts a POST request with a simple text input field. Payment is handled via the x402 protocol on the Base Sepolia testnet using USDC, with a maximum cost of 0.5 USDC per request. The agent has a maximum timeout of 1200 seconds, suggesting it performs real-time data gathering or aggregation before returning results.\n\nQuestflow is a platform for AI agent \"clones\" that aggregate data across crypto markets including Polymarket, Pump.fun, OKX, and others. This particular agent appears to be a specialized swarm agent focused on crypto market downturn analysis. Note that this is a development/testnet endpoint (Base Sepolia), so it may not be production-stable and the USDC used is testnet USDC.","tags":[],"capabilities":["crypto-market-data","top-losers-dashboard","24h-price-decline","trading-volume","market-cap-ranking","x402-payment","base-sepolia-testnet","ai-agent-swarm"],"categories":["crypto","market-data","finance"],"synonyms":["crypto losers","biggest decliners","crypto price drop","market downturn dashboard","top crypto losers 24h","cryptocurrency decline tracker","worst performing coins"],"warnings":["Development/testnet endpoint (Base Sepolia) — not production-ready","No OpenAPI or detailed documentation available","Response format is unstructured (single string) — actual content and structure are unknown","Testnet USDC payment — real funds are not required but endpoint stability is not guaranteed","Maximum timeout of 1200 seconds (20 minutes) suggests potentially slow responses"],"endpointUrl":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xc9C2beF6138f217cd58631314b976398c8f5E679","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d","description":"A dashboard presenting the top 10 cryptocurrencies with the largest price declines over the past 24 hours, detailing current prices, percentage changes, trading volumes, and market cap rankings to highlight today's market downturn. | 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":"0.300","qualityRationale":"No OpenAPI schema, no docs endpoint, no example responses available. The output schema is minimal (single string input/output). The endpoint is on a dev/testnet domain with testnet USDC. Most details about response format are inferred from the 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'10':2,18,44 '1200':131 '24':54 '24h':6,22 '24h-price-decline' 'accept':91 'across':157 'agent':125,152,168,175 'aggreg':142,155 'ai':151 'ai-agent-swarm' 'analysi':181 'api':88 'appear':169 'base':110,189 'base-sepolia-testnet' 'biggest':76 'biggest decliners' 'cap':12,28,67 'chang':62 'clone':153 'cost':118 'crypto':3,19,158,178 'crypto losers' 'crypto price drop' 'crypto-market-data' 'cryptocurr':45 'cryptocurrency decline tracker' 'current':59 'dashboard':5,21,40 'data':139,156 'day':74 'declin':8,24,50 'develop':87 'development/testnet':187 'downturn':180 'endpoint':37,80,188 'field':100 'focus':176 'gather':140 'give':69 'handl':103 'host':82 'hour':55 'includ':58,160 'input':99 'largest':48 'loser':4,20,78 'market':11,27,66,77,159,179 'market downturn dashboard' 'market-cap-ranking' 'maximum':117,128 'may':193 'note':182 'okx':163 'other':165 'particular':167 'past':53 'payabl':36 'payment':16,32,101 'per':122 'percentag':61 'perform':135 'platform':149 'polymarket':161 'post':93 'price':7,23,49,60 'product':197 'production-st':196 'protocol':107 'pump.fun':162 'questflow':84,146 'rank':13,29,68 'real':137 'real-tim':136 'request':94,123 'respons':57 'result':145 'return':38,144 'second':132 'sepolia':111,190 'server':89 'simpl':97 'snapshot':71 'special':173 'stabl':198 'suggest':133 'swarm':174 'testnet':112,204 'text':98 'time':138 'timeout':129 'top':1,17,43 'top crypto losers 24h' 'top-losers-dashboard' 'trade':63 'trading-volume' 'usdc':114,121,201,205 'use':113,202 'via':14,30,104 'volum':9,25,64 'worst performing coins' 'x402':15,31,35,106 'x402-payable':34 'x402-payment'","prices":[{"id":"530e1fd5-c3a4-480c-850b-d585245f8a16","listingId":"d6ee3fe2-efc1-4eed-b0be-44df67e43538","amountUsd":null,"unit":"per_call","nativeCurrency":"USDC","nativeAmount":"500000","chain":"base-sepolia","payTo":"0xc9C2beF6138f217cd58631314b976398c8f5E679","paymentMethod":"x402-usdc","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","extra":{"name":"USDC","version":"2"},"payTo":"0xc9C2beF6138f217cd58631314b976398c8f5E679","scheme":"exact","network":"base-sepolia","mimeType":"application/json","resource":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d","description":"A dashboard presenting the top 10 cryptocurrencies with the largest price declines over the past 24 hours, detailing current prices, percentage changes, trading volumes, and market cap rankings to highlight today's market downturn. | 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":"2026-04-18T06:06:26.761Z"}],"sources":[{"listingId":"d6ee3fe2-efc1-4eed-b0be-44df67e43538","source":"x402_bazaar","sourceId":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T06:06:26.761Z","lastSeenAt":"2026-04-22T02:30:08.319Z"}],"details":{"listingId":"d6ee3fe2-efc1-4eed-b0be-44df67e43538","quickStartSnippet":"curl -X POST https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <x402-payment-header>\" \\\n  -d '{\"input\": \"Show me the top 10 crypto losers today\"}'","exampleRequest":{"input":"Show me the top 10 cryptocurrencies with the largest price declines in the past 24 hours"},"exampleResponse":{"response":"Top 10 Crypto Losers (24h):\n1. TOKEN_A - $0.42 (-18.3%) Vol: $12.5M, Rank #45\n2. TOKEN_B - $1.87 (-15.1%) Vol: $8.2M, Rank #72\n..."},"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 on Base Sepolia testnet using USDC with maxAmountRequired of 500000 (0.5 USDC)","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d"},{"claim":"Questflow aggregates markets including Polymarket, Pump.fun, OKX, and Opinion Labs","source_url":"https://api-dev.intra-tls2.dctx.link"},{"claim":"The endpoint accepts POST with a string 'input' field and returns a string 'response' field","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d"},{"claim":"Maximum timeout is 1200 seconds","source_url":"https://api-dev.intra-tls2.dctx.link/x402/swarm/qrn:swarm:68e9cf3fb3955a431305fb2d"}],"useCases":["Monitoring the biggest crypto market losers in the past 24 hours","Building dashboards that highlight market downturns and sell-offs","Identifying potential buy-the-dip opportunities by tracking steep declines","Feeding crypto decline data into trading bots or alert systems"],"bestFor":["Agents needing a quick summary of the day's worst-performing cryptocurrencies","Crypto traders looking for oversold or rapidly declining assets","Market monitoring dashboards that aggregate downturn signals"],"notFor":["Production trading systems (this is a testnet/dev endpoint)","Historical price data or long-term trend analysis","Non-crypto financial data"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:46.555Z"},"updatedAt":"2026-04-22T02:30:08.319Z"}}