{"id":"a2e72d39-ea63-489e-86e4-8c76569d232a","shortId":"4KUXRA","kind":"mpp","title":"Token OHLCV candlestick data (open/high/low/close/volume) across 25+ chains via Nansen API, $0.01 per call.","tagline":"Token OHLCV candlestick data (open/high/low/close/volume) across 25+ chains via Nansen API, $0.01 per call.","description":"This endpoint returns unified OHLCV (Open, High, Low, Close, Volume) candlestick data for tokens across 30+ supported blockchains including Ethereum, Solana, Base, Bitcoin, and many more. It supports multiple timeframes ranging from 1-minute to 1-month candles (1m, 5m, 15m, 30m, 1h, 4h, 1d, 1w, 1M). Each candle includes price data (open/high/low/close), trading volume in both token units and USD, and market capitalization data. The date range defaults to the last 30 days if not specified.\n\nThe endpoint is part of Nansen's Token God Mode (TGM) suite and is accessed via POST to `/api/v1/tgm/token-ohlcv`. It requires a chain identifier and token contract address. Payment is supported via the x402 protocol at a fixed price of $0.01 per request, or through Nansen's credit system (10 credits on free tier, 1 credit on pro tier). Authentication is via an `apiKey` header. Rate limits are enforced per-second and per-minute, with remaining limits returned in response headers.\n\nThis endpoint unifies Nansen's legacy low-timeframe and high-timeframe price endpoints into a single interface. It is part of a broader Nansen API offering over 40 endpoints covering smart money tracking, wallet profiling, DEX trades, PnL analysis, prediction markets (Polymarket), perpetual positions (Hyperliquid), token screening, and AI research agents.","tags":["blockchain","smart-money","wallet","tokens","defi","analytics","profiler","dex","pnl","onchain","prediction-market"],"capabilities":["token-ohlcv","multi-chain-price-data","candlestick-data","market-cap-tracking","volume-tracking","multi-timeframe","blockchain-analytics","x402-payment"],"categories":["crypto","data"],"synonyms":["token price candles","crypto OHLCV","token price history","candlestick API","blockchain price data","Nansen token prices","DEX price data","token market cap history"],"warnings":["No crawled documentation pages were accessible beyond the API root health check; /docs returned 404. All information is derived from the OpenAPI spec.","The MPP 402 challenge was confirmed live but the www_authenticate header was null — the endpoint may use x402 rather than standard MPP WWW-Authenticate flow."],"endpointUrl":"https://api.nansen.ai/api/v1/tgm/token-ohlcv","protocol":"mpp","transport":"http","auth":{"type":"mpp","details":{"realm":"api.nansen.ai","intent":"charge","method":"tempo","service_methods":{"tempo":{"assets":["0x20c000000000000000000000b9537d11c60e8b50"],"intents":["charge"]}}}},"qualityScore":"0.920","qualityRationale":"Full OpenAPI 3.1 schema with detailed request/response models, clear pricing ($0.01 via x402), live 402 MPP challenge confirmed, and comprehensive endpoint documentation including supported chains, timeframes, and field descriptions. Minor gap: no actual 200 response was captured in the probe, but the schema is 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