> For the complete documentation index, see [llms.txt](https://docs.underdogprotocol.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.underdogprotocol.com/guides.md).

# Guides

- [Postman](https://docs.underdogprotocol.com/guides/postman.md): You can use the Underdog API Postman to test your Devnet and Mainnet implementations
- [Endpoints](https://docs.underdogprotocol.com/guides/endpoints.md): The Underdog API supports both Solana Mainnet-Beta and Solana Devnet through its two API endpoints
- [Authentication](https://docs.underdogprotocol.com/guides/authentication.md): You'll need to authenticate your requests to access any of the endpoints in the Underdog API. In this guide, we'll look at how authentication works.
- [Pagination](https://docs.underdogprotocol.com/guides/pagination.md): In this guide, we will look at how to work with paginated responses when querying the Underdog API.
- [Errors](https://docs.underdogprotocol.com/guides/errors.md): In this guide, we will talk about what happens when something goes wrong while you work with the API.
- [Webhooks](https://docs.underdogprotocol.com/guides/webhooks.md): In this guide, we will look at how to register and consume webhooks to integrate your app with Underdog.
- [Architecture](https://docs.underdogprotocol.com/guides/architecture.md)


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