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Use Form Filler in the Platform when you want to test a PDF form workflow visually before automating it with the API. It is separate from the Playground pipeline builder because the output is a completed PDF, not extracted markdown, JSON, or tables.

Open Platform

Upload a form, write fill instructions, review the completed PDF, and download the result.
Pulse Form Filler page with PDF upload and instruction prompt

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Workflow

1

Upload a PDF form

Use a native PDF form, flat PDF, or scanned form with visible labels, checkboxes, signature areas, or typed fields.
2

Write instructions

Describe the values to place in the form. Include names, dates, addresses, checkbox selections, signatures, and anything that should stay blank.
3

Review the completed PDF

Check the rendered output before downloading. If a value lands in the wrong field, make the instruction more specific and rerun.
4

Move repeated work to the API

Use the API Forms endpoints when the workflow needs to run inside your app, queue, or document automation system.

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When To Use Forms

Detect Form Fields

Inspect fields and get a reusable form_id.

Fill Form

Fill a PDF from instructions.

Clear Form

Remove user-filled values.