API for Filling in PDF Templates

Scale Your Business with PDF Otter

Looking for PDF Otter's Free PDF Editor?

How It Works

Upload PDF

Do you have a PDF you need repeatedly filled in? PDF Otter makes this simple.

Create Template

Turn your PDF into a template by selecting the fields you need filled in.

Fill In PDFs

Use the PDF Otter API to fill in the template.

What We're Hearing

PDF Otter saved us many hours filling out contracts and agreements for our vendors.
Dan Palumbo
CTO, Pillow
It was very easy - I was ready for a long night but PDF Otter made filling these documents in so simple.
Luciano Arango
Founder, Quiki (YC '17)
Couldn't have asked for a better product in the legal space. One word: lifesaver.
Jordan Simkin
Director, PinPoint Legal Marketing


per PDF
  • Dedicated Support

    We're available for any questions you have. Email us at help@pdfotter.com or click 'Chat with us' at the bottom right corner of the page to ask us anything.

  • API Access

    There are no hoops to jump through to use our API. Just sign up and start filling in your PDF templates. We even provide test API keys so you can test your integration for free.

  • Integration Help

    We helped dozens of companies use PDF Otter to solve various problems. We love hearing about our customers' needs. It helps us build a better product.

  • Self-Hosting

    PDF Otter doesn't save anything you don't want it to. You can use the API to fill in a PDF that you store on your end without a record of it on PDF Otter.