Introducing Anvil Document AI. Operate faster.Learn more.

Fill PDFs with Python

A simple API for filling out PDFs from your app. Set up a PDF template and use Python to pass data into the form.

Write Python, receive PDF

Have existing PDF forms? Simply upload them to Anvil to create templates. With our RESTful endpoint, you'll be ready to receive data over API and fill your PDF.

It’s that simple. Take your structured data, develop against it with Python, make the request, and save the response.

View documentation View the full example

PDF_TEMPLATE_EID = "f9eQzbUgCCRVDrd4gt8b"
FILL_DATA = {
  "title": "My PDF Title",
  "fontSize": 10,
  "textColor": "#CC0000",
  "data": {
    "someFieldId": "Hello World!"
  }
}

def main():
  anvil = Anvil(api_key=API_KEY)

  print("Making fill request...")

  with open(FILE_OUTPUT, "wb") as f:
      f.write(res)

Try it with

Try it now

Secure & compliant

Start building for free

Start filling PDFs from your app with Python. Every account comes with free access to the developer sandbox.