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

# Backend services

- [Content Creation API (CCA)](https://docs.navigaglobal.com/general/backendservices/content-creation-api.md): The Content Creation API (CCA) is a CRUD API for dealing with all kind of documents in the Creation Tools.
- [Distribution API (DAPI)](https://docs.navigaglobal.com/general/backendservices/distribution-api-dapi.md): The DAPI API is a read-only API that replaces the public OC with a content distribution API (DAPI). All services that serve content to the public should hit the distribution API to fetch documents.
- [Naviga Open Content](https://docs.navigaglobal.com/general/backendservices/opencontent.md): Content repositry of Creation and Presentation universe
- [Imengine](https://docs.navigaglobal.com/general/backendservices/imengine.md): Naviga Image cropping service.
- [CCA Importer Service](https://docs.navigaglobal.com/general/backendservices/cca-importer-service.md): The CCA Importer
- [Customer S3 replication setup](https://docs.navigaglobal.com/general/backendservices/cca-importer-service/customer-s3-replication-setup.md): Describes how to set up replication rules to our CCA-Importer S3 buckets, dev,stage and prod.
- [Flow](https://docs.navigaglobal.com/general/backendservices/flow.md): Print Automation Service