---
title: "Fill Pdf Overlay"
method: POST
path: "/api/pdf/fill-overlay"
tags: ["PDF Form Processing"]
---

# Fill Pdf Overlay

`POST /api/pdf/fill-overlay`

Fill a non-fillable PDF by stamping text at specified coordinates.

## Request body

- FillOverlayRequest — Request to fill a non-fillable PDF with overlay text
  - `template_id` string, required
  - `fields` FillOverlayField[], required
    - `page` integer
    - `x` number, required
    - `y` number, required
    - `width` number, required
    - `height` number, required
    - `value` string, required
    - `type` string
    - `font_size` integer, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/qomplement/apis/fastapi.md) · [All operations](https://skmtc.net/qomplement/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/qomplement/fastapi/revisions/b6c76b02a94a/schema)