| Price from | — | $49/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · HTML to PDF APIs | 8.2 (#9) | 8.3 (#7) |
| Spec score · PDF API Software | 8.1 (#14) | 8.3 (#12) |
| Compliance | GDPR | DocSpring says it completed a SOC 2 Type II audit and is GDPR and HIPAA compliant; BAAs are available on request, and a BAA is required before submitting protected health information. |
| Deployment | cloud, self hosted | cloud, self hosted |
| Integrations | API2PDF offers client libraries for Python, Node, PHP, C#, and Java. | The site lists integrations with AWS S3, Bubble, Zapier, n8n, Node-RED, and Parabola, plus REST API, client libraries, and webhooks. |
| Key features | HTML and URL to PDF conversion using Headless Chrome or wkhtmltopdf · Microsoft Office and image to PDF conversion through LibreOffice · PDF merging · PDF page extraction by page range · PDF password protection · PDF content extraction to JSON, Markdown, or HTML · Website and HTML screenshots · Client libraries for Python, Node, PHP, C#, and Java | Fill PDF templates with JSON data through a REST API · Generate PDFs from HTML, CSS, and Liquid templates · Visual drag-and-drop PDF template editor · Batch generation of up to 50 PDFs per request · Synchronous and asynchronous PDF processing with webhooks · Combine PDFs from submissions, templates, uploaded files, and URLs · Automatically generated web forms and embedded forms · Electronic signatures with data requests and audit trails |
| Product | API2PDF is a serverless REST API for PDF generation and document conversion. | DocSpring is a PDF automation API for developers to fill forms, generate documents, and collect e-signatures. |
| Support | The infrastructure fact sheet says general developer support is provided by email, typically responds within 1–2 business days, and is best effort. | Support is handled by DocSpring's engineers, and the company says fixes are usually deployed within days. |
| Support | email, docs | email, chat |
