> For the complete documentation index, see [llms.txt](https://docs.uxlink.io/layer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.uxlink.io/layer/api-and-sdk.md).

# API & SDK

- [UXLINK Auth](https://docs.uxlink.io/layer/api-and-sdk/uxlink-auth.md)
- [Basic authentication](https://docs.uxlink.io/layer/api-and-sdk/uxlink-auth/basic-authentication.md)
- [UXLINK OAuth 2.0](https://docs.uxlink.io/layer/api-and-sdk/uxlink-auth/uxlink-oauth-2.0.md)
- [Ingestion API](https://docs.uxlink.io/layer/api-and-sdk/uxlink-auth/explorer-api.md)
- [UXLINK Account (Coming Soon)](https://docs.uxlink.io/layer/api-and-sdk/uxlink-account.md)
- [Quick start](https://docs.uxlink.io/layer/api-and-sdk/uxlink-account/quick-star.md)
- [Ingestion API](https://docs.uxlink.io/layer/api-and-sdk/uxlink-account/ingestion-api.md)
- [Social Growth Protocols](https://docs.uxlink.io/layer/api-and-sdk/social-growth-protocols.md): A unified on-chain points mechanism for Dapp growth.
- [Smart Contracts & Security](https://docs.uxlink.io/layer/api-and-sdk/smart-contracts-and-security.md)
- [UXLINK Official Wallet Addresses](https://docs.uxlink.io/layer/api-and-sdk/smart-contracts-and-security/uxlink-official-wallet-address.md)
- [Contracts](https://docs.uxlink.io/layer/api-and-sdk/smart-contracts-and-security/contracts.md): The contracts are deployed at the following addresses:
- [Contracts-Audit-Report](https://docs.uxlink.io/layer/api-and-sdk/smart-contracts-and-security/contracts-audit-report.md)