{"uid":"cap_bAT04TjagUzVrp2mvUHvZ","slug":"synapse-api-nft-sales-by-contract-9e103d14","name":"Synapse API — NFT Sales by Contract","description":"High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.","url":"https://synapse-api-brown.vercel.app/api/bob/nft/sales?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"number"},"order":{"enum":["asc","desc"],"type":"string"},"toBlock":{"type":"number"},"fromBlock":{"type":"number"},"contractAddress":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_8NCsin5l9Kx1aUanYIXbW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves historical NFT sales events for a given contract address, optionally filtered by block range and result count.","exampleAgentPrompt":"Pull the last 50 NFT sales for contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13d in descending order — I want to see the most recent sales first.","exampleUseCases":[{"title":"Track recent Bored Ape sales","prompt":"Get me the 100 most recent NFT sales for the Bored Ape Yacht Club contract 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13d, sorted from newest to oldest."},{"title":"Analyze sales within a block range","prompt":"Fetch all NFT sales for contract 0x60E4d786628Fea6478F785A6d7e704777c86a7c6 between block 17000000 and block 17500000 so I can analyze sales activity during that period."},{"title":"Monitor collection sales volume","prompt":"Give me the first 25 NFT sales records for contract 0xED5AF388653567Af2F388E6224dC7C4b3241C544 in ascending order so I can track early sales chronologically."}],"resultDescription":"Returns a list of NFT sale events for the specified contract address, including transaction details such as block numbers, sale prices, buyer/seller addresses, and token IDs, filtered by the provided block range and limited to the requested count.","failureModes":["Invalid or missing contract address returns an error or empty result","fromBlock greater than toBlock causes empty result set or validation error","Limit value too large may cause timeout or truncated response","Contract address with no recorded sales returns an empty array","Network or payment failure results in 402 or 5xx response"],"whenToPreferThis":"Use this endpoint when you need paginated, block-range-filtered historical NFT sales data for a specific contract on supported blockchain networks. Prefer this over generic blockchain explorers when you need programmatic access with pay-per-call pricing and structured JSON output for agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T07:06:36.088Z","isFirstParty":false,"canonicalSlug":"synapse-api-nft-sales-by-contract-9e103d14"}