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OpenWeb Ninja's answer:
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Outscraper - Scrape Google Maps Places, Business Reviews, Photos, Play Market Reviews, and more. Get any public data from the internet by applying cutting-edge technologies. Web Tools & API's.
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.
Zenserp - Zenserp is a Google Search API that enables you to scrape Google search result pages in real-time.
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
SerpApi - Scrape Google search results from our fast, easy, and complete API.