Development Status
Current Status
Gasless API is supported on the following chains via https://api.0x.org/. Select the chain in your request by providing the corresponding chain id with the 0x-chain-id header.
| Chain | Chain ID |
|---|---|
| Ethereum (Mainnet) | 1 |
| Polygon | 137 |
| Arbitrum | 42161 |
| Base | 8453 |
| Optimism | 10 |
Read more accessing the API endpoints.
info
To create an account, and get your live API keys to access the Gasless, visit the 0x Dashboard.
Gasless API allows you to implement:
- Gasless Approvals
- Gasless Swaps
- Setting & Collecting fees
Integrators are encouraged to experiment with Gasless API on Polygon or Arbitrum first where fees are low.