{"id":"60b859ba-2c3f-4fa6-91c5-2057736c1b17","shortId":"CXSF3C","kind":"x402","title":"Pump.fun token volume rankings with buyer/seller flow data on Solana, paid per-request via x402.","tagline":"Pump.fun token volume rankings with buyer/seller flow data on Solana, paid per-request via x402.","description":"This endpoint returns the top Pump.fun tokens ranked by trading volume on Solana, including buyer and seller flow breakdowns. It is a \"raw\" variant, meaning it returns structured data without AI-generated analysis text. The endpoint is part of the Einstein AI x402 API suite, which wraps Bitquery on-chain data behind pay-per-request micropayments.\n\nPayment is accepted on three rails: USDC on Base ($0.60), USDC on Solana ($0.60), or Bitcoin Lightning (~786 sats, ~$0.60 equivalent). No API key is required; callers authenticate solely via the x402 payment header. The request body accepts optional `limit` (up to 500, default 10) and `timeperiod` (1h, 4h, 24h, 7d, 30d) parameters. The response includes a status field, a result object containing the volume data, and a payment receipt.\n\nThe endpoint is live and returning a valid x402 challenge on POST. It is hosted by Einstein AI (emc2ai.io) and backed by Bitquery's Solana data infrastructure. The broader API suite offers 20+ endpoints covering market data, whale intelligence, launchpad tracking, security audits, and DeFi analytics across multiple EVM chains and Solana, priced from $0.25 to $1.15 per call.","tags":[],"capabilities":["pumpfun-volume-tracking","solana-dex-data","buyer-seller-flow","x402-micropayment","multi-chain-payment","lightning-network-payment","raw-json-response","configurable-timeperiod","configurable-limit"],"categories":["blockchain","defi","market-data"],"synonyms":["pump.fun volume","pumpfun trading volume","solana meme coin volume","pump fun top tokens","solana token volume","pumpfun buyer seller","bonding curve volume","solana dex volume"],"warnings":["The /api path returned a 522 (host timeout) during crawl, suggesting occasional origin server instability.","The response output schema for the raw endpoint is generic ('result: object') — exact field names in the volume data are inferred, not documented.","Response example is synthetic; no actual paid response was captured during probing."],"endpointUrl":"https://emc2ai.io/x402/bitquery/pumpfun-volume/raw","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xc9368b30BD620164FD1a05a5d99dcaf8Ae754775","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://emc2ai.io/x402/bitquery/pumpfun-volume/raw","description":"Top Pump.fun tokens by volume with buyer/seller flow (Solana only).","discoverable":true,"outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"limit":{"type":"string","description":"Maximum number of results to return (default: 10, max: 500)"},"timeperiod":{"enum":["1h","4h","24h","7d","30d"],"type":"string","description":"Time period for analysis (e.g., 1h, 24h, 7d, 30d)"}},"discoverable":true},"output":{"result":{"type":"object","description":"Query result data"},"status":{"type":"string","description":"Request status (completed or error)"},"payment":{"type":"object","description":"Payment receipt information"}}},"maxAmountRequired":"600000","maxTimeoutSeconds":90}]},"qualityScore":"0.820","qualityRationale":"Full OpenAPI schema with detailed input/output definitions, live 402 challenge confirmed on three payment rails, and clear pricing. Docked slightly because the response schema for the raw variant is generic (no detailed field-level output schema for the volume data itself), and the example response is inferred from the general BitqueryResponse schema rather than captured from a real 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'0.60':101,105,111 '1.15':218 '10':136 '1h':139 '20':194 '24h':141 '30d':143 '4h':140 '500':134 '786':109 '7d':142 'accept':94,129 'across':208 'ai':64,75,179 'ai-gener':63 'analysi':66 'analyt':207 'api':77,114,191 'audit':204 'authent':119 'back':182 'base':100 'behind':86 'bitcoin':107 'bitqueri':81,184 'bodi':128 'bonding curve volume' 'breakdown':51 'broader':190 'buyer':47 'buyer-seller-flow' 'buyer/seller':6,22 'call':220 'caller':118 'chain':84,211 'challeng':171 'configurable-limit' 'configurable-timeperiod' 'contain':154 'cover':196 'data':8,24,61,85,157,187,198 'default':135 'defi':206 'einstein':74,178 'emc2ai.io':180 'endpoint':34,69,163,195 'equival':112 'evm':210 'field':150 'flow':7,23,50 'generat':65 'header':125 'host':176 'includ':46,147 'infrastructur':188 'intellig':200 'key':115 'launchpad':201 'lightn':108 'lightning-network-payment' 'limit':131 'live':165 'market':197 'mean':57 'micropay':91 'multi-chain-payment' 'multipl':209 'object':153 'offer':193 'on-chain':82 'option':130 'paid':11,27 'paramet':144 'part':71 'pay':88 'pay-per-request':87 'payment':92,124,160 'per':13,29,89,219 'per-request':12,28 'post':173 'price':214 'pump fun top tokens' 'pump.fun':1,17,38 'pump.fun volume' 'pumpfun buyer seller' 'pumpfun trading volume' 'pumpfun-volume-tracking' 'rail':97 'rank':4,20,40 'raw':55 'raw-json-response' 'receipt':161 'request':14,30,90,127 'requir':117 'respons':146 'result':152 'return':35,59,167 'sat':110 'secur':203 'seller':49 'solana':10,26,45,104,186,213 'solana dex volume' 'solana meme coin volume' 'solana token volume' 'solana-dex-data' 'sole':120 'status':149 'structur':60 'suit':78,192 'text':67 'three':96 'timeperiod':138 'token':2,18,39 'top':37 'track':202 'trade':42 'usdc':98,102 'valid':169 'variant':56 'via':15,31,121 'volum':3,19,43,156 'whale':199 'without':62 'wrap':80 'x402':16,32,76,123,170 'x402-micropayment'","prices":[{"id":"15f77b8a-6db1-411d-8559-f0b3b79faad2","listingId":"60b859ba-2c3f-4fa6-91c5-2057736c1b17","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"600000","chain":"base","payTo":"0xc9368b30BD620164FD1a05a5d99dcaf8Ae754775","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xc9368b30BD620164FD1a05a5d99dcaf8Ae754775","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://emc2ai.io/x402/bitquery/pumpfun-volume/raw","description":"Top Pump.fun tokens by volume with buyer/seller flow (Solana only).","discoverable":true,"outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"limit":{"type":"string","description":"Maximum number of results to return (default: 10, max: 500)"},"timeperiod":{"enum":["1h","4h","24h","7d","30d"],"type":"string","description":"Time period for analysis (e.g., 1h, 24h, 7d, 30d)"}},"discoverable":true},"output":{"result":{"type":"object","description":"Query result data"},"status":{"type":"string","description":"Request status (completed or error)"},"payment":{"type":"object","description":"Payment receipt information"}}},"maxAmountRequired":"600000","maxTimeoutSeconds":90}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":90},"createdAt":"2026-04-21T18:32:31.147Z"}],"sources":[{"listingId":"60b859ba-2c3f-4fa6-91c5-2057736c1b17","source":"x402_bazaar","sourceId":"https://emc2ai.io/x402/bitquery/pumpfun-volume/raw","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:31.147Z","lastSeenAt":"2026-04-22T04:02:45.534Z"}],"details":{"listingId":"60b859ba-2c3f-4fa6-91c5-2057736c1b17","quickStartSnippet":"curl -X POST https://emc2ai.io/x402/bitquery/pumpfun-volume/raw \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <base64-signed-USDC-authorization>\" \\\n  -d '{\"limit\": 10, \"timeperiod\": \"24h\"}'","exampleRequest":{"limit":10,"timeperiod":"24h"},"exampleResponse":{"result":{"tokens":[{"name":"ExampleToken","swaps":4521,"buyers":2100,"symbol":"EXT","sellers":1800,"volumeUsd":1250000.5,"buyVolumeUsd":720000.3,"tokenAddress":"So11...example","sellVolumeUsd":530000.2}]},"status":"completed","payment":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","amount":"600000","scheme":"exact","txHash":"0xabc123...","network":"base","timestamp":"2025-06-01T12:00:00Z","x402Version":1}},"schema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"limit":{"type":"string","description":"Maximum number of results to return (default: 10, max: 500)"},"timeperiod":{"enum":["1h","4h","24h","7d","30d"],"type":"string","description":"Time period for analysis (e.g., 1h, 24h, 7d, 30d)"}},"discoverable":true},"output":{"result":{"type":"object","description":"Query result data"},"status":{"type":"string","description":"Request status (completed or error)"},"payment":{"type":"object","description":"Payment receipt information"}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns x402 402 challenge with maxAmountRequired 600000 (USDC, 6 decimals = $0.60) on Base, Solana, and Lightning","source_url":"https://emc2ai.io/x402/bitquery/pumpfun-volume/raw"},{"claim":"OpenAPI spec lists the pumpfun-volume endpoint at $0.75 with atomic price 750000 USDC","source_url":"https://emc2ai.io"},{"claim":"Request accepts optional limit (1-500) and timeperiod (1h/4h/24h/7d/30d) parameters","source_url":"https://emc2ai.io"},{"claim":"Einstein AI accepts payments on three chains: USDC on Base, USDC on Solana, and BTC via Lightning Network","source_url":"https://emc2ai.io/docs"},{"claim":"Paid features typically cost $0.20–$1.00 per invocation","source_url":"https://emc2ai.io/docs"},{"claim":"The /api route returned a Cloudflare 522 error during crawl","source_url":"https://emc2ai.io/api"}],"useCases":["Ranking Pump.fun tokens by trading volume to identify trending meme coins on Solana","Analyzing buyer vs seller flow to gauge market sentiment on newly launched tokens","Building automated trading dashboards that track high-volume Pump.fun tokens","Feeding Solana meme coin volume data into AI agents for autonomous trading decisions","Monitoring Pump.fun ecosystem activity over configurable time windows"],"bestFor":["AI agents needing structured Pump.fun volume data without API key management","Solana meme coin traders tracking high-volume tokens","Developers building automated on-chain analytics pipelines with pay-per-use pricing"],"notFor":["Historical tick-level or order-book data requirements","EVM-only workflows — this endpoint is Solana/Pump.fun specific","Users who need free or subscription-based access rather than per-call payments"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:12:53.433Z"},"updatedAt":"2026-04-22T04:02:45.534Z"}}