# TERRAK.IO

- [DSL](https://test-341.gitbook.io/terrakio/terrak.io/dsl.md): The page will outline the DSL (Domain Specific Language) rules that all expressions sent to terrakio must conform to.
- [Authentication](https://test-341.gitbook.io/terrakio/terrak.io/authentication.md): In order to access the core Terrakio API, you will need to create an account and utilise its connected API key. This API key can be used as part of the url parameter or header of a core API request.
- [API reference](https://test-341.gitbook.io/terrakio/terrak.io/api-reference.md)
- [WMS](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/wms.md)
- [XYZ](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/xyz.md)
- [WCS](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/wcs.md)
- [Config](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/config.md)
- [Users](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/users.md)
- [Signup](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/users/signup.md)
- [Login](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/users/login.md)
- [Generate key](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/users/generate-key.md)
- [Key](https://test-341.gitbook.io/terrakio/terrak.io/api-reference/users/key.md)
- [CLI](https://test-341.gitbook.io/terrakio/terrak.io/cli.md): The terrak.io CLI can be used to create, provide information on and modify datasets in terrak.io. It can also be used to check your current request quota and API key.
- [account](https://test-341.gitbook.io/terrakio/terrak.io/cli/account.md): To use certain CLI commands, the correct permissions are required. To authenticate these commands,   the CLI allows you to login and retrieve your API key to set as a environment variable.
- [datasets](https://test-341.gitbook.io/terrakio/terrak.io/cli/datasets.md): Provides information about datasets present in the terrak.io database and utilities to modify their configs. Commands that modify dataset configs require correct permissions determined by your API key
- [generation](https://test-341.gitbook.io/terrakio/terrak.io/cli/generation.md): Commands to generate new datasets or general data.


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