The JSON a frontend gets
The tab builds the response with the Delivery API's own builders, the code the public endpoint runs.
See what the Delivery API returns, right where you edit.
An API tab on every document and media item in the backoffice, with the JSON a frontend gets for it.
dotnet add package TheBuilder.DeliveryApiInspectorUmbraco CMS 17.4 through 18.x
Built for headless developers
For anyone who has opened a terminal to curl the Delivery API, just to see one property.
Draft, published and changes
See the draft you are editing, switch to what is published, or see what a publish would change.
A tree you can search
Filter the response, open it to a set depth, pick expand and fields from a menu, and see each block's content type.
What publishing would change
The Changes view compares the draft with the published version, and opens every branch that differs.
Versions and changes
Inspect your first document
Install the package, open a document, and click API.
Read the quickstartMore from TheBuilder
Focused packages for modern Umbraco projects.
Blur Placeholder
Generates a WebP, BlurHash or ThumbHash placeholder when an image is saved, ready for your frontend to show while the image loads.
Web Analytics
Shows the traffic from Vercel Web Analytics or Plausible in the Umbraco backoffice, for the whole site and for each page.
AI Image Disclosure
Reads the C2PA Content Credentials on uploaded images and flags the ones that say they were made or edited with AI.
App Translations
Lets editors change the next-intl or i18next messages in your app from Umbraco. Your app fetches the changes when it runs.
API OIDC
Lets frontends call the Delivery API and your own endpoints with an OIDC token from their hosting platform, instead of a shared API key.
Schema City
Shows your Document Types as a city in the backoffice, with the links between them, and flags schema problems before they ship.
Umbraco Rich Text
Renders the rich text JSON from the Umbraco Content Delivery API with React. You decide how each block and node is rendered.