The Domains API enables seamless interaction with blockchain-based domain services, providing tools to resolve and retrieve domain information for addresses, as well as access provider data. Whether you're building a wallet, an identity service, or any web3 application, the Domains API offers essential functionality to enhance user experiences with blockchain domains.

## Supported Chains

| Supported Chains | Chain ID |
| :--------------- | :------- |
| Ethereum         | 1        |
| Polygon          | 137      |

## Use cases

The Domains API can be applied for the following use cases:

- **Wallets and identity applications**: enable users to interact with human-readable domain names instead of long blockchain addresses.
- **Batch domain resolution**: efficiently resolve multiple addresses to domains for applications handling large datasets.
- **Provider information**: integrate provider avatars and branding for enhanced visual experiences.

## Quickstart

To start using Domains API swiftly, refer to the [Quickstart guide](./quick-start).

## API reference

For detailed information about each endpoint, refer to the Domains API [OpenAPI section](./methods).