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

# GraphQL API

- [API quickstart](https://docs.glue.ai/developers/graphql-api/getting_started.md)
- [Understanding Glue thread types](https://docs.glue.ai/developers/graphql-api/understanding-glue-thread-types.md)
- [Threads, Group Chats, and DMs](https://docs.glue.ai/developers/graphql-api/understanding-glue-thread-types/threads_chats_dms.md)
- [Sending messages](https://docs.glue.ai/developers/graphql-api/messages_and_threading.md)
- [Message formatting](https://docs.glue.ai/developers/graphql-api/message_formatting.md)
- [Attachments](https://docs.glue.ai/developers/graphql-api/attachments.md)
- [Pagination](https://docs.glue.ai/developers/graphql-api/pagination.md)
- [Outbound webhooks](https://docs.glue.ai/developers/graphql-api/outbound_webhooks.md)