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SPECIFICTION
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Apdf

apdf.io

From $39/mo Free plan WebAPI
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Spec score 8.3 #11 of 35 in PDF API Software

What it is

Apdf generates and tracks PDFs through an API, sending reader activity to apps or AI agents. PDF operations include HTML-to-PDF generation, merging, splitting, compression, watermarking, OCR, and password security. Reader analytics report opens, page reads, time spent, downloads, prints, and other events. Tokenized recipient links associate activity with named readers and can be deactivated or revoked. Recipients use a hosted browser viewer without installing an app or plugin; they can annotate PDFs and submit form fields, with captured information delivered as structured data. Event-based automations send webhooks to external endpoints. The site describes MCP connections for Claude, ChatGPT, Cursor, and Gemini, alongside webhook examples involving Slack, HubSpot, Pipedrive, and S3. Apdf says data is hosted in the EU, encrypted in transit and at rest, and handled in a GDPR-compliant manner. The free Hobby plan includes 3 tracked documents and 500 PDF operations per month. Pro costs $39 a month, billed $39 / mo; Business costs $149 a month, billed $149 / mo.

Spec sheet

Product
Apdf provides PDF generation and tracking through an API, with reader interactions streamed to apps or AI agents.Read 30 Sep 2026 · apdf.io
Intended users
Apdf describes its audience as app builders, operators connecting workflows, and AI-native teams using agents.Read 30 Sep 2026 · apdf.io
Integrations
The site describes MCP connections for Claude, ChatGPT, Cursor, and Gemini, and examples of webhook actions involving Slack, HubSpot, Pipedrive, and S3.Read 30 Sep 2026 · apdf.io
Support
Support accepts questions, billing requests, feedback, and API problems by email.Read 30 Sep 2026 · apdf.io
Annotations and forms
Recipients can annotate PDFs and submit PDF form fields, with captured information delivered as structured data.Read 30 Sep 2026 · apdf.io
API limits
The API documentation lists a limit of 3 requests per second and 60 per minute, a 100 MB upload limit, and 60-minute storage for generated PDFs.Read 30 Sep 2026 · apdf.io
Automations
When/filter/then automations can send event-driven webhooks to external endpoints.Read 30 Sep 2026 · apdf.io
Data use
The company says customer documents and reader behavior are never used as training data and that data can be exported on demand.Read 30 Sep 2026 · apdf.io
PDF operations
Its PDF operations include HTML-to-PDF generation, merging, splitting, compression, watermarking, OCR, and password security.Read 30 Sep 2026 · apdf.io
Reader analytics
The service reports document opens, page reads, time spent, downloads, prints, and other reader events.Read 30 Sep 2026 · apdf.io
Recipient links
Per-recipient tokenized links attribute viewer events to a named reader, and links can be deactivated or revoked.Read 30 Sep 2026 · apdf.io
Security and privacy
Apdf states that data is hosted in the EU, handled in a GDPR-compliant manner, and encrypted in transit and at rest.Read 30 Sep 2026 · apdf.io
Viewer
Recipients view tracked PDFs in a hosted browser viewer without installing an app or plugin.Read 30 Sep 2026 · apdf.io

Plans and prices

Hobby Free $0 / mo 3 tracked documents · 500 PDF operations / mo · 14-day event history · 25 recipient links per document Read 30 Sep 2026 · apdf.io
Pro $39 a month $39 / mo 50 tracked documents · 2,500 PDF operations / mo · 90-day event history · 250 recipient links per document Read 30 Sep 2026 · apdf.io
Business $149 a month $149 / mo 300 tracked documents · 20,000 PDF operations / mo · 12-month event history · 1,000 recipient links per document Read 30 Sep 2026 · apdf.io

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Strong points and limits

Strong points

  • Reports opens, page reads, downloads, and other events.
  • Tokenized links identify recipients and can be revoked.
  • Readers can annotate PDFs and submit form fields.
  • Free Hobby plan includes 500 PDF operations monthly.
  • EU-hosted data is encrypted in transit and at rest.

Limits

  • API is limited to 3 requests per second and 60 per minute.
  • Uploads are limited to 100 MB.
  • Generated PDFs are stored for 60 minutes.
  • Pro costs $39 a month.

Who it suits

Apdf suits app builders, workflow operators, and AI-native teams that need to generate PDFs and route reader activity into other systems. Its API and hosted viewer also fit workflows that collect recipient annotations or form data.

Verdict

Apdf combines PDF operations with recipient-level tracking and event-driven integrations. Consider the API rate, upload, and generated-file storage limits when planning a workflow.

Where Specifiction places it

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