Cloudmersive PDF API
Cloudmersive PDF API is a PDF-processing API for businesses and developers.
What Cloudmersive PDF API is
Cloudmersive PDF API is a PDF-processing API for businesses and developers. It can create and modify PDFs, convert Word, Excel, and PowerPoint documents—including legacy DOC, XLS, and PPT files—to PDF, and render HTML or URLs as PDFs for items such as invoices and reports. It also handles PDF forms, including filling digital fields and extracting information, and supports page operations such as merging, splitting, rotating, deleting, copying, and reordering. Users can manage permissions, restrict printing or content extraction, and password-protect and encrypt documents. Deep-learning OCR can extract content from scanned PDFs. The API is available through API and self-hosted deployment, with deployment options including public cloud, private cloud, and managed instances. Cloudmersive lists SDKs and samples for over 20 platforms and programming languages. Its stateless APIs do not retain payload data after a transaction.
Good
- Converts Word, Excel, and PowerPoint files to PDF
- Fills PDF fields and extracts form information
- Supports merging, splitting, and reordering pages
- Offers API and self-hosted deployment
- Free plan includes 600 calls per month
Watch out
- Free plan limits files to 3.5 MB
- Free plan allows 600 calls per month
Who it suits
It suits developers and businesses that need to process PDFs or convert office documents and HTML through an API. Self-hosted deployment and multiple cloud options may suit organizations with specific deployment needs.
Verdict
Cloudmersive PDF API covers document conversion, PDF editing, forms, OCR, and permission controls in one API offering. Check its plan limits and deployment options against your file sizes and expected call volume.
Plans and prices
From Cloudmersive PDF API's own pricing page, checked 28 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free Tier | Free | 600 Calls/Month · 1 Calls/Second · 3.5 MB Maximum File Size · Limited support · North America data center · Evaluation plan, no expiration · $0.00/Month |
| Basic | $19.99 a month | 10,000 Calls/Month · 2 Calls/Second · 1 GB Maximum File Size · Basic support (24 hours) · North America data centers · $19.99/Month |
| Business | $49.99 a month | 25,000 Calls/Month · 2 Calls/Second · 1 GB Maximum File Size · Silver support (12 hours) · North America and Germany data centers · $49.99/Month |
| Business Premier | $99.99 a month | 50,000 Calls/Month · 3 Calls/Second · 1 GB Maximum File Size · Silver support (12 hours) · 7 Days API Analytics · North America, Germany, and Australia data centers · $99.99/Month |
The facts
Each one read from Cloudmersive PDF API's own pages, with the date it was checked.
What it does
- Data handling
- Cloudmersive says its stateless APIs do not store or retain payload data after a transaction is completed.checked 28 Sep 2026
- Deployment
- Deployment options listed include public cloud, managed instance, private cloud, PaaS, and government cloud.checked 28 Sep 2026
- Form handling
- The API can fill PDF digital form fields and extract information from PDF forms.checked 28 Sep 2026
- HTML to PDF
- The API renders HTML or URLs as PDFs for documents such as invoices and reports.checked 28 Sep 2026
- Integrations
- Cloudmersive lists client libraries for Salesforce Apex, Postman, Zapier, Mendix, Power Automate, and Azure Logic Apps on its Document AI API page.checked 28 Sep 2026
- Intended users
- Cloudmersive describes its APIs as serving businesses and developers, and says small business plans target organizations with fewer than 50 employees.checked 28 Sep 2026
- OCR
- The product page says deep learning OCR can extract content from scanned PDFs.checked 28 Sep 2026
- Office conversion
- The API converts Word, Excel, and PowerPoint files, including legacy DOC, XLS, and PPT formats, to PDF.checked 28 Sep 2026
- PDF operations
- The API supports copying, merging, splitting, deleting, rotating, and reordering PDF pages, and creating or modifying annotations.checked 28 Sep 2026
- PDF processing
- The PDF APIs process, generate, modify, and manage permissions on PDFs.checked 28 Sep 2026
- PDF security controls
- PDF permissions can be managed to restrict printing or content extraction, and PDFs can be password protected and encrypted.checked 28 Sep 2026
- SDKs and samples
- The PDF API page states that native support, SDKs, and samples are available for over 20 platforms and programming languages.checked 28 Sep 2026
- Security
- The security page describes TLS 1.2 or later endpoints, API key or OAuth v2 authentication, and GDPR and CCPA support.checked 28 Sep 2026
- Support and SLAs
- The PDF API page directs customers to sales, while Cloudmersive says managed instances can include SLAs and its enterprise plans offer enhanced support and customer success.checked 28 Sep 2026
The company
- Headquarters
- Pleasanton, California, United Stateschecked 28 Sep 2026
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