ChartMogul - Master your recurring revenue. Advanced subscription analytics with one-click.

PDFCrowd - Pdfcrowd is a Web/HTML to PDF online service. Convert HTML to PDF online in the browser or in your PHP, Python, Ruby, .NET, Java apps via the REST API.

BareMetrics - SaaS Analytics for Stripe

DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more

Control - Control is a leading Stripe and PayPal analytics and alerts platform for SaaS, subscription and eCommerce businesses, enabling instant intelligence anywhere via its Android, iOS, and web-based products.

PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request