---
title: "Convert PDF to PDF/A-3b (Base64)"
method: POST
path: "/api/pdf-tools/pdfa/base64"
tags: ["PDF Tools"]
---

# Convert PDF to PDF/A-3b (Base64)

`POST /api/pdf-tools/pdfa/base64`

## Request

- Base URL: `https://api.dokmatiq.com`
- URL: `https://api.dokmatiq.com/api/pdf-tools/pdfa/base64`
- Auth: API key in header `X-API-Key`

Convert a Base64-encoded PDF to PDF/A-3b format.

## Request body

- object

## Response `200`

PDF/A-3b compliant PDF

---

[API](https://skmtc.dev/dokmatiq/apis/docgen-api.md) · [All operations](https://skmtc.dev/dokmatiq/apis/docgen-api/llms.txt) · [OpenAPI document](https://skmtc.dev/dokmatiq/apis/docgen-api/revisions/3fa1a922764d?raw)