---
title: "Compare two documents with iddiff"
method: POST
path: "/api/iddiff"
---

# Compare two documents with iddiff

`POST /api/iddiff`

## Response `200`

Returns iddiff as HTML or text

## Other responses

- `400` — Error has occurred.
- `401` — Failed to authenticate.

---

[API](https://skmtc.net/ietf-tools/apis/ietf-author-tools-api.md) · [All operations](https://skmtc.net/ietf-tools/apis/ietf-author-tools-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ietf-tools/ietf-author-tools-api/versions/8db1416c9cdd/schema)