# Developers

- [Overview](/developers/overview.md): Sync content from third-party systems to GUIBO via the Content API. Automate booking-specific Trip Links with travel documents via the Releases API.
- [Releases API](/developers/releases-api.md): Automate booking-specific Trip Links with personalized travel documents, re-branded for resellers, directly from your booking system.
- [Release | Create guidebook release](/developers/releases-api/release-or-create-guidebook-release.md): This article describes how to publish guidebook by connecting to another software. Software systems communicate with Application-Programming-Intefaces (API).
- [Create on-demand release](/developers/releases-api/release-or-create-guidebook-release/create-on-demand-release.md): Generate complete guidebook structure and release in a single API call using flexible JSON payload with inline content or library references.
- [Release | Read release details](/developers/releases-api/release-or-read-release-details.md): You can fetch the details of the release by the download cod
- [Release | Update release details](/developers/releases-api/release-or-update-release-details.md): After creating a guidebook release, you can update attributes of the release.
- [Release | Revoke guidebook release](/developers/releases-api/release-or-revoke-guidebook-release.md): This article describes how to cancel a guidebook release through the GUIBO API. Travellers will not be able to download the guidebook with the given download code any more.
- [Release | Add document to release](/developers/releases-api/release-or-add-document-to-release.md): When you add PDF documents to a release, they will be offine available in the App and they will be accessible under the private release link for your customer.
- [Release | Update document in release](/developers/releases-api/release-or-update-document-in-release.md): Replace PDF document and its description in a release
- [Release | Delete documents in release](/developers/releases-api/release-or-delete-documents-in-release.md): Remove all documents that have been added to the release
- [Content API](/developers/content-api.md): Create and update routes, POIs, text pages, and libraries in GUIBO from external systems — mirror your content data without manual maintenance.
- [Content | Create and update routes](/developers/content-api/content-or-create-and-update-routes.md)
- [Content | Create and update Point-Of-Interests (POIs)](/developers/content-api/content-or-create-and-update-point-of-interests-pois.md): Hotels and other POIs can  be imported into GUIBO automatically via the API. A common use case is importing hotels from a booking system with the goal of adding the hotels booked for the guest
- [Content | Create library or guidebook](/developers/content-api/content-or-create-library-or-guidebook.md): Libraries and guidebooks have the same structure, they are both bundling Textpages, Routes and POIs. Therefore the procedure of creating them is the same, only the endpoint address is different.
- [Content | Create category](/developers/content-api/content-or-create-category.md)
- [Content | Create text page](/developers/content-api/content-or-create-text-page.md)