Introducing Anvil Document AI. Operate faster.Learn more.

Fill PDFs with C# & .NET

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

Write C# & .NET, 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 C# & .NET, make the request, and save the response.

View documentation View the full example

class FillPDF: RunnableBaseExample {
  private Anvil.Payloads.Request.FillPdf GetFillData() {
    return new Anvil.Payloads.Request.FillPdf {
      Title = "My PDF Title",
        FontSize = 10,
        TextColor = "#333333",
        Data = new Dictionary < string, dynamic > () {
          { "shortText", "HELLOOW"},
          { "date", "2022-07-08" },
          { "name", new Dictionary < string, object > () {
              { "firstName", "Robin" },
              { "mi", "W" },
              { "lastName", "Smith" }
            }
          },
          { "email", "testy@example.com" }
        }
    };
  }

  public override async Task Run(string apiKey) {
    var pdfTemplateEid = "f9eQzbUgCCRVDrd4gt8b";

    var payload = GetFillData();
    var client = new RestClient(apiKey);

    var wasWritten = await client.FillPdf(pdfTemplateEid, payload, "./output/fill-output.pdf");
  }
}

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Start filling PDFs from your app with C# & .NET. Every account comes with free access to the developer sandbox.