Merge PDFs via API

Combine invoices, reports, or chapters into a single PDF. Automate document assembly in your workflow - up to 50 files per request.

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2 Credits per request
50 Max files per request
10 MB Max file size

One request, one combined PDF

Terminal 
$ curl -X POST "https://qkconvert.dev/api/v1/doc/merge" \
  -H "Authorization: Bearer sk_live_..." \
  -F "file=@chapter1.pdf" \
  -F "file=@chapter2.pdf" \
  -F "file=@chapter3.pdf" \
  -o combined.pdf

# 200 OK - 89ms - 3 files merged

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Free tier includes 500 credits per month. No credit card required.

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