PDF Blocks API
pdfblocks.com
A REST API for manipulating PDF documents including merging, adding or removing passwords, adding watermarks, and extracting, removing, rotating, reversing pages, and removing signatures.
The PDF Blocks API API has paid pricing; offers a free tier (14-day free trial, no credit card required); rate limits: Fair-use: 10 requests/second, 10 MB per request input/output, 100 GB total data output per billing month. Verified 2026-07-12 with per-field source links.
Base URL
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Hobby: $29/mo or $290/yr (10,000 documents/month); Business: $99/mo or $990/yr (1,000,000 documents/month)
pdfblocks.com ↗Rate limits
Fair-use: 10 requests/second, 10 MB per request input/output, 100 GB total data output per billing month
pdfblocks.com ↗OpenAPI spec
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no sourceMCP server
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