Merge Documents - Lumin Developer Docs

Authorizations

X-API-Key

string

header

required

Provide your API key in the X-API-Key header, e.g., X-API-Key: YOUR_API_KEY.

Body

application/json

document_ids

string[]

Ordered list of Lumin document IDs to merge. The order of IDs determines the page order in the output PDF. Required when file_urls is not provided. Provide 2–20 document IDs.

To obtain document IDs, upload files to Lumin first using Upload Document.

file_urls

string<uri>[]

Ordered list of publicly accessible file URLs to merge. Only URLs from allowed domains are accepted. Required when document_ids is not provided. Ignored if document_ids is also provided. Provide 2–20 URLs.

document_name

string

Name of the merged output file. Defaults to merged_{first document name}.

Required string length: 1 - 255

Response

Returns a temporary download URL for the merged PDF.

document_name

string

required

Name of the output document.

signed_url

string<uri>

required

Temporary HTTPS URL to download the output file. Expires after 30 minutes.

expires_at

integer<unix-epoch>

required

Unix epoch timestamp (in milliseconds) when signed_url becomes invalid.