
# Reference

The reference provides more information about the types, queries, and mutations used in the Fuel GraphQL API.

- [Scalars](/docs/reference/scalars/)

- [Enums](/docs/reference/enums/)

- [Unions](/docs/reference/unions/)

- [Objects](/docs/reference/objects/)

- [Queries](/docs/reference/queries/)

- [Mutations](/docs/reference/mutations/)

- [Subscriptions](/docs/reference/subscriptions/)
