OpenAPI HTML to PDF

Free plan API

Plans

Plan	Billed and limits	Price
Free	30 requests/month	Free
Single	per request · 20 MB maximum file size	€0.01, paid once

As openapi.com lists them, read 5 Oct 2026. The maker's own page has the final word.

Customization: Configurable options include headers, footers, and page numbering. · openapi.com, 5 Oct 2026
File size limit: The FAQ says the PDF Base service accepts files up to 20 MB. · openapi.com, 5 Oct 2026
Formatting: It handles CSS and preserves page elements such as fonts, colors, columns, tables, links, and images in the PDF. · openapi.com, 5 Oct 2026
Integration: The API accepts either an HTML string or a URL and can be integrated using any programming language. · openapi.com, 5 Oct 2026
JavaScript rendering: The rendering engine supports JavaScript-generated dynamic content as well as static content. · openapi.com, 5 Oct 2026
Maker profile: Openapi describes itself as a European API marketplace founded in 2013. · openapi.com, 5 Oct 2026
Response time: The maker says conversions are delivered within seconds. · openapi.com, 5 Oct 2026
Security certification: Openapi says it has ISO/IEC 27001:2022 information security management certification. · openapi.com, 5 Oct 2026
Support: The product page directs users who need help to a contact form and says the company will get back to them. · openapi.com, 5 Oct 2026
Use cases: The maker describes generating professional documents, brochures, reports, web page backups, and e-commerce payment receipts. · openapi.com, 5 Oct 2026
What it does: The API converts HTML content or a URL into a PDF file. · openapi.com, 5 Oct 2026