| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 1 | 3 |
| Spec score · HTML to PDF APIs | 8.2 (#9) | 7.0 (#40) |
| Product | API2PDF is a serverless REST API for PDF generation and document conversion. | Posiboo is a PDF generation API that creates PDFs from templates, structured data, or web pages. |
| Support | The infrastructure fact sheet says general developer support is provided by email, typically responds within 1–2 business days, and is best effort. | The maker lists [email protected] for support and production rate limit requests. |