PDF

Read or write PDF metadata

With no metadata fields it READS title, author, subject, keywords, creator, producer and dates. With any field given it WRITES them and returns the PDF.

Costs 1 credit per call.

post/pdf-metadata

Request

  • Base URL: https://api.cofferdock.com
  • URL: https://api.cofferdock.com/pdf-metadata
  • Auth: API key in header x-api-key

Request body

filestring byte required

The PDF, base64-encoded.

titlestring

Document title to write into the PDF.

authorstring

Author name.

subjectstring

Document subject.

keywordsstring[]

List of keywords (strings).

creatorstring

Application that created the original document.

producerstring

Application that produced the PDF.

creation_datestring date-time

Creation date in ISO 8601 format, e.g. "2026-09-26T10:00:00Z".

modification_datestring date-time

Last modification date in ISO 8601 format, e.g. "2026-09-26T10:00:00Z".

output'json' | 'binary' | 'url' | 'pdf'

How to return the PDF: "json" (base64 in the JSON response), "binary" (the PDF itself, ready for n8n/Make/Zapier) or "url" (a temporary download link, valid 15 minutes). Default: json when the request is JSON, binary when the input was sent raw.

Response

The metadata (read mode) or the updated PDF (write mode).

OR
OR

Changes

No recorded changes to this operation across all 1 revision of this API.