Flatten PDFs
Makes the PDF non-interactive.
This process merges all interactive form fields (text inputs, checkboxes, etc.) directly into the page content. The resulting PDF cannot be modified by the end-user.
POST/forms/pdfengines/flatten
Headers
Gotenberg-Output-Filenamestring
The filename of the resulting file - Gotenberg automatically appends the file extension. Defaults to a random UUID filename.
Gotenberg-Tracestring
A custom request ID to identify the request in the logs; overrides the default UUID.
Form Files
filesfile[]required
PDF files to flatten.
Example Request
cURL
curl \
--request POST http://localhost:3000/forms/pdfengines/flatten \
--form files=@/path/to/form.pdf \
-o my.pdf
Responses
- 200 OK
- 400 Bad Request
- 503 Service Unavailable
The flattened PDF file.
Content-Disposition: attachment; filename={output-filename.pdf}
Content-Type: {content-type}
Content-Length: {content-length}
Gotenberg-Trace: {trace}
Body: {output-file}
The request had one ore more invalid form fields.
Content-Type: text/plain; charset=UTF-8
Gotenberg-Trace: {trace}
Body: {error}
The request did not complete within the configured maximum duration.
Content-Type: text/plain; charset=UTF-8
Gotenberg-Trace: {trace}
Body: Service Unavailable
