Endpoint reference
Core
Data
Utilities
Prediction Markets
Looking for Polymarket trading, workflows, and market data? Those endpoints live in the Prediction Market Reference.Authentication
All API endpoints require authentication using API keys passed via thex-api-key header. We have provided a highly ratelimited API key for testing in the API playground.
Related Resources
- Send your first swap - Learn how to broadcast swap transactions
- Call smart contracts across chains - Deposit into Aave on Base using ETH on Arbitrum