Convert File to PDF

This endpoint was deprecated on March 24, 2026, and will be sunset on July 1, 2026. Please migrate your existing functionality to the current endpoint: https://developers.gonitro.com/docs/api-reference/sign/create-document-by-envelope-id , which already supports multiple file types.

The Convert File to PDF endpoint transforms various file formats into PDF documents for use with the Nitro Sign API.

Input files

Supported input document types and formats:

Output files

The Convert File Sign API endpoint only supports PDF files as output.

Asynchronous Processing

The Convert File endpoint supports only asynchronous processing. When you start a file format conversion, the request returns a job ID. Use this ID with the job endpoints to check the status and retrieve the results once the operation is complete.

{
  "jobID": "01234567-89ab-cdef-0123-456789abcdef",
  "jobStatusURL": "https://api.gonitro.dev/sign/conversions/jobs/01234567-89ab-cdef-0123-456789abcdef/status"
}