Professional market data API for crypto derivatives, spot markets, prediction markets, Hyperliquid HyperCore data, proprietary volatility surfaces, and analytics. ## Authentication Use an API key for authenticated REST requests: ```http X-API-Key: your-api-key-here ``` Most data endpoints also support x402 pay-per-request without an API key. | Resource | Path | | --- | --- | | OpenAPI JSON | `GET /openapi.json` | | x402 discovery | `GET /.well-known/x402` | | Changelog | `GET /api/v1/changelog` | | WebSocket docs | `GET /websocket` | ## REST Surfaces | Surface | Examples | | --- | --- | | Instruments | Cross-market contract reference data | | Futures | OHLCVT, trades, tickers, orderbook, liquidations, carry | | Perpetuals | OHLCVT, trades, funding, open interest, orderbook, liquidations | | Options | OHLCVT, trades, Greeks, volatility, flow, dealer GEX | | Vol Surface | Proprietary surface snapshots, slices, strikes, term structure, risk | | Spot | OHLCVT, ticker, trades, volume, L2 orderbook, snapshots | | Predictions | Polymarket instruments, categories, trades, ticker history | | Hyperliquid - HyperCore | Node-derived fills, liquidations, positions, funding, TWAPs, resting orders, L2 books | | Analytics | Realized volatility and derived metrics | ## Pagination Paginated endpoints return the cursor at `meta.next_cursor`. Pass that value back as the `cursor` query parameter to fetch the next page. ## WebSocket Streaming Real-time streams are documented at `/websocket`. | Data | Channel pattern | | --- | --- | | Trades | `trades.{market}.{exchange}.{instrument}` | | OHLC ticker | `ohlc.ticker.{market}.{exchange}.{instrument}.{timeframe}` | | OHLCVT | `ohlc.vt.{market}.{exchange}.{instrument}.{timeframe}` | Variables: `market` is one of `perpetuals`, `futures`, `options`, or `spot`; `timeframe` is one of `1m`, `5m`, `15m`, `1h`, `4h`, or `1d`. ## Quick Start ```bash curl "https://apiv2.laevitas.ch/api/v1/futures/ohlcvt?exchange=deribit&instrument_name=BTC-PERPETUAL" \ -H "X-API-Key: your-api-key-here" ```
npx agentcash add https://apiv2.laevitas.chCross-asset analytics (realized volatility and other derived metrics) — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Dated futures data — pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Hyperliquid - HyperCore data. Pay per request
Cross-market contract reference data — list endpoint. Pay per request.
Cross-market contract reference data (tick size, lot size, leverage, expiry, …) — pay per request
Discovery for non-crypto perpetuals — equity (NVDA, TSLA, MSTR, …), commodity (GOLD, OIL, SILVER, …), forex (EURUSD, GBPUSD, …), and index. Pay per request
Discovery for non-crypto perpetuals — equity (NVDA, TSLA, MSTR, …), commodity (GOLD, OIL, SILVER, …), forex (EURUSD, GBPUSD, …), and index. Pay per request
Discovery for non-crypto perpetuals — equity (NVDA, TSLA, MSTR, …), commodity (GOLD, OIL, SILVER, …), forex (EURUSD, GBPUSD, …), and index. Pay per request
Discovery for non-crypto perpetuals — equity (NVDA, TSLA, MSTR, …), commodity (GOLD, OIL, SILVER, …), forex (EURUSD, GBPUSD, …), and index. Pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Options data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Perpetual swaps data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Prediction markets data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Spot market data — pay per request
Proprietary volatility surface data - snapshots, slices, term structure, and strike diagnostics. Pay per request
Live portfolio risk, scenario, and ladder requests backed by the proprietary vol-surface engine. Pay per request
Live portfolio risk, scenario, and ladder requests backed by the proprietary vol-surface engine. Pay per request
Live portfolio risk, scenario, and ladder requests backed by the proprietary vol-surface engine. Pay per request
Proprietary volatility surface data - snapshots, slices, term structure, and strike diagnostics. Pay per request
Proprietary volatility surface data - snapshots, slices, term structure, and strike diagnostics. Pay per request
Proprietary volatility surface data - snapshots, slices, term structure, and strike diagnostics. Pay per request
Proprietary volatility surface data - snapshots, slices, term structure, and strike diagnostics. Pay per request
WebSocket streaming pass — 24 hours ($10.00)
WebSocket streaming pass — 1 hour ($0.50)