---
title: "Delete Brand Glossary"
method: DELETE
path: "/v3/brand-glossaries/{brand_glossary_id}"
tags: ["Brand"]
---

# Delete Brand Glossary

`DELETE /v3/brand-glossaries/{brand_glossary_id}`

## Request

- Base URL: `https://api.heygen.com`
- URL: `https://api.heygen.com/v3/brand-glossaries/{brand_glossary_id}`
- Auth: one of:
  - API key in header `x-api-key`
  - HTTP bearer

Deletes a brand glossary. This cannot be undone. Its pronunciation terms and translation rules stop applying to anything generated afterwards; videos already generated are unaffected, and requests that still reference it keep working.

## Path parameters

- `brand_glossary_id` string, required

## Response `200`

Successful response

- object
  - `data` DeleteBrandGlossaryResponse: Response for DELETE /v3/brand-glossaries/{brand_glossary_id}.
    - `brand_glossary_id` string, required: Identifier of the deleted brand glossary.

## Other responses

- `400`: Invalid request parameters
- `401`: Authentication failed
- `404`: Resource not found
- `429`: Rate limit exceeded

## Changes

- **2026-11-03** `7dfa5e59b4f5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/heygen/apis/heygen-external-api/changes/v3/brand-glossaries/:brand_glossary_id/delete.md)

---

[API](https://skmtc.dev/heygen/apis/heygen-external-api.md) - [All operations](https://skmtc.dev/heygen/apis/heygen-external-api/llms.txt) - [OpenAPI document](https://skmtc.dev/heygen/apis/heygen-external-api/revisions/7dfa5e59b4f5?raw)