V3 API Overview
The V3 API is the current stable version of the XO Swap API.
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Authorization Required: All API requests require specific headers. See the Authorization guide for details.
Integration Flows
Choose the integration flow that best fits your use case:
Direct Swaps
Best for: Cross-chain swaps and controlled rates
- Swap a predefined number of pairs (belonging to the same or different chains)
- The swap is as easy as a “send” transaction
- Get multiple rates or quotes for a pair
Indirect Swaps
Best for: Swapping a wide range of tokens within the same network
- Allows swapping every token with on-chain liquidity within our list of supported networks
- Execute swaps via smart contracts
- Near instant swap completions
Endpoints
- Assets - Get information about supported assets
- Pairs - Get available trading pairs and limits
- Rates - Get exchange rates for pairs
- Quotes - Get quotes for swaps
- Orders - Create and manage orders
- Trades - Execute trades
Resources
- Terminology - Key terms and definitions
- Available Networks - Supported blockchain networks
- Changelog - API version history
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