{"id":"e9409adf-009e-4787-b321-c9ad23e041af","shortId":"mHLUrR","kind":"x402","title":"Track capital flows from high-volume DEX participants via Bitquery, paid per-request with USDC on Base, Solana, or Lightning.","tagline":"Track capital flows from high-volume DEX participants via Bitquery, paid per-request with USDC on Base, Solana, or Lightning.","description":"This endpoint from Einstein AI returns raw on-chain data about capital flows originating from high-volume DEX participants. It queries Bitquery's blockchain data infrastructure and supports multiple chains including Base, Ethereum, BSC, Arbitrum, Polygon, Optimism, and Solana. The \"/raw\" suffix indicates the response contains unprocessed query data without AI-generated analysis layered on top.\n\nThe endpoint accepts optional parameters for chain selection (default varies), result limit (up to 500), and time period (1h to 30d). It costs $0.85 per request, payable in USDC on Base (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), USDC on Solana, or 1,113 sats via Lightning Network. Payment is made via the x402 protocol using the X-PAYMENT header — no API keys are needed. The endpoint returns a JSON object containing status, result data, and a payment receipt.\n\nEinstein AI is part of the Virtuals Protocol ecosystem and exposes a broad suite of x402-enabled blockchain intelligence endpoints covering market data, whale tracking, launchpad monitoring (Pump.fun, Zora), security audits, and DeFi analytics. All endpoints settle payments on-chain with no subscription or account required. The provider's OpenAPI spec is comprehensive, covering 24+ endpoints with full request/response schemas.","tags":[],"capabilities":["dex-capital-flow-tracking","multi-chain-query","bitquery-data","x402-micropayment","usdc-on-base","usdc-on-solana","lightning-network-payment","raw-data-output","configurable-time-period","configurable-result-limit"],"categories":["blockchain","defi","market-data"],"synonyms":["DEX flow tracking","capital flow analysis","whale capital movement","DEX participant tracking","on-chain flow data","Bitquery flowtrack","high-volume trader tracking","DEX capital intelligence","blockchain capital flows"],"warnings":["The /flowtrack/raw path is not explicitly listed in the OpenAPI spec paths — it appears only in the x402 challenge. The exact response data structure is not fully documented beyond status/result/payment.","The /api route returned a 522 (host error) during crawl, suggesting occasional backend instability.","Response example is inferred from the generic BitqueryResponse schema; actual field names in the result object are undocumented."],"endpointUrl":"https://emc2ai.io/x402/bitquery/flowtrack/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/flowtrack/raw","description":"Track capital flows from high-volume DEX participants.","discoverable":true,"outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"chain":{"enum":["base","ethereum","bsc","arbitrum","polygon","optimism","solana"],"type":"string","description":"Blockchain to query (e.g., base, ethereum, bsc, solana)"},"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":"850000","maxTimeoutSeconds":90}]},"qualityScore":"0.820","qualityRationale":"Full OpenAPI spec with detailed schemas, live 402 challenge confirming the endpoint is operational with clear pricing ($0.85 USDC). The specific /flowtrack/raw endpoint is not individually listed in the OpenAPI paths but its outputSchema is fully described in the x402 challenge. Response schema for the result object is generic (\"type: object\") so exact output fields are not 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