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

# GraphQL

- [GraphQL Overview](https://docs.suggestic.com/graphql/graphql/graphql-api.md)
- [Authentication](https://docs.suggestic.com/graphql/graphql/authentication.md): Suggestic supported authentication methods
- [Calling GraphQL](https://docs.suggestic.com/graphql/graphql/calling-graphql.md)
- [GraphQL Playground](https://docs.suggestic.com/graphql/graphql/graphql-playground.md): GraphQL Playground is a powerful tool that can be used to test and check the documentation for queries, mutations, objects types, and fields.