Merge pull request #3626 from mszymanowski/patch-1

Add PDFBolt.com

README.md

@@ -318,6 +318,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [Duply.co](https://duply.co) — Create dynamic images from API & URL, design template once and reuse it. The free tier offers 70 images/month creation from API & URL and Up to 100 through Form.
   * [OpenAPI3 Designer](https://openapidesigner.com/) — Visually create Open API 3 definitions for free.
   * [parsehub.com](https://parsehub.com/) — Extract data from dynamic sites, turn dynamic websites into APIs, five projects free.
+  * [PDFBolt](https://pdfbolt.com) - Developer-focused PDF generation API designed with privacy in mind. It offers Stripe-inspired documentation and includes 500 free PDF conversions per month.
   * [pdfEndpoint.com](https://pdfendpoint.com) - Effortlessly convert HTML or URLs to PDF with a simple API. One hundred conversions per month for free.
   * [PDF-API.io](https://pdf-api.io) - PDF Automation API, visual template editor or HTML to PDF, dynamic data integration, and PDF rendering with an API. The free plan comes with one template, 100 PDFs/month.
   * [Pixela](https://pixe.la/) - Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.