Fill PDF Form Fields

Follow the steps in this guide to fill a PDF form using an Instant JSON file with PSPDFKit Processor.

  1. Create a new Instant JSON file. You can see an example of an Instant JSON file here.

  2. Add the values for the various form fields to a top-level formFieldValues field in the Instant JSON file, like so:

{
    "annotations": [...],
    "formFields": [...],
    "format": "https://pspdfkit.com/instant-json/v1",
    "formFieldValues": [
        {
            "name": "Client Address",
            "type": "pspdfkit/form-field-value",
            "v": 1,
            "value": "An address"
        },
        {
            "name": "Client ZIP",
            "type": "pspdfkit/form-field-value",
            "v": 1,
            "value": "333333"
        },
        {
            "name": "Check Box 11",
            "type": "pspdfkit/form-field-value",
            "v": 1,
            "value": ["Yes"]
        },
        {
            "name": "Check Box 17",
            "type": "pspdfkit/form-field-value",
            "v": 1,
            "value": ["Yes"]
        },
        ...
    ]
}

  1. Follow the instructions in the import Instant JSON guide to import the Instant JSON file containing the new formFieldValues to the PDF document using PSPDFKit Processor’s /build endpoint.