Overlay one PDF onto another.

Merges each page of an overlay PDF on top of the matching base page (or reuses the last overlay page). Accepts URLs (`base`, `overlay`) or uploaded files plus optional `pages` selectors.

POST/documents/stack-pages

Parameters

Query Parameters

Name	Type	Description
base	string	Base PDF URL.
overlay	string	Overlay PDF URL.
pages	string	Page selector (all, first, last, odd, even, or ranges).
dryrun	boolean

All helper calls accept your Dataczar key via the ak query parameter. Need one? Create or copy a key on Dataczar Connect and drop it into each request.

Responses

Status 200

Resulting PDF stream.

Examples

Request

"POST /pdf/stack-pages?pages=all&dryrun=1"

Response

{
  "ok": true,
  "data": {
    "summary": [
      "Overlay pages merged onto base PDF",
      "Pages selector: all"
    ]
  }
}

API keyBase URLMethod

File uploads (multipart form-data)

Attach PDFs or images as multipart fields. We'll fill in the field names for you.

Files

file

Query parameters

base optionaloverlay optionalpages optionaldryrun optional

Equivalent curl

Grab your Dataczar API key

Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.

Get your API key Browse helpers

Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.