Testnet Support - Relay
Testnets Supported
You can see all the testnets we support in the table below. You can also query our API to get a JSON of the supported testnets: https://api.testnets.relay.link/chains The API response will also return chain IDs and other relevant information.
| Chain | Chain ID | Supported Tokens |
|---|---|---|
| Base Sepolia | 84532 | All |
| Sepolia | 11155111 | All |
API Support
To access testnets with our API, make sure to use the correct base URL: https://api.testnets.relay.link By using this base URL, you’ll be able to bridge, swap, and transact on testnets Relay supports. To get started, check out the API documentation.
SDK Support
To access testnets with our SDK, make sure to use the correct base URL: https://api.testnets.relay.link You’ll pass this base URL in the baseApiUrl parameter when creating the client. To get started, check out the SDK documentation.
UI Kit Support
To access testnet with our UI kit, make sure to pass the testnet chain you want e.g. base sepolia, sepolia, etc. To get started, check out the UI Kit documentation.