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PDF.ai API

Freemium#7 of 34 in PDF API SoftwareAI PDF Tools AI PDF Assistants

PDF.ai API: A focused cloud API for structured PDF extraction, OCR, and document querying. Ranked #7 of 34 in PDF API Software by our editors (8.1/10); pricing: Free plan; best for structured PDF data extraction.

8.1/10Editor score

Visit PDF.ai API

PDF.ai API8.1 Visit PDF.ai API

At a glance

Editor score
8.1 / 10
Pricing
Free plan
Best for
Structured PDF data extraction
Free plan
Yes
Paid from
$49/mo
OCR
Yes
Facts checked
20 Sep 2026

Where it wins
- Parses PDFs into Markdown or JSON
- Extracts structured data with JSON schemas and citations
- Includes OCR, tables, images, splitting, and question answering
Where it doesn't
- Focused on extraction rather than PDF conversion
- Does not include PDF compression
- Higher usage requires contact with sales

Our verdict on PDF.ai API

PDF.ai API is a cloud REST API for developers building document-processing, knowledge-base, retrieval, and automation workflows. Its v2 endpoints accept uploaded files or PDF URLs and process documents into Markdown or JSON. API-key authentication supports application integrations, while question answering works over previously parsed PDF documents. The product is best suited to teams that need structured information from PDFs rather than a general-purpose PDF editing or conversion service.

Pricing is organized into five monthly plans. Free costs $0 per month, includes access to all APIs, and requires no credit card. Starter costs $49 per month, Pro costs $99, Scale costs $249, and Growth costs $599; each paid plan includes access to all APIs. The published pricing documentation also describes monthly credit plans, with higher usage handled through contact with sales. This makes the Free plan useful for evaluating the API entry point, while the paid tiers provide a path for increasing usage without changing the listed API access model.

Its standout strength is extraction depth. PDF.ai API combines standard-quality OCR with table formatting, image extraction, JSON-schema-based structured data extraction, field-level citations, section identification, document splitting, and question answering. That combination fits workflows where traceable fields and document structure matter. The trade-off is a narrow focus: the service is designed for parsing and querying, not PDF conversion or compression. Choose PDF.ai API when structured extraction is the main requirement; choose an alternative when the workflow depends on broader PDF transformation capabilities.

Your product? Our editors can test PDF.ai API in depth and publish a review, labelled as paid · from $149/mo →

PDF.ai API pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on api.pdf.ai

All 5 PDF.ai API plans and prices →

PDF.ai API fact sheet

Free plan	Yes
Paid from	$49/mo
OCR	Yes
PDF conversion	No
Data extraction	Yes
Merge and split	Yes
PDF compression	No
Deployment model	Cloud
SDK languages	Not verified
Deployment	Cloud
Support	Docs
Built for	Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan (source)
Website	api.pdf.ai
Facts checked	20 Sep 2026

Alternatives to PDF.ai API

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PDF.ai API vs the competition

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Also Ranked In

PDF.ai API is ranked in 3 of our directories.

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used PDF.ai API for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

PDF.ai API is listed in our PDF API Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update