---
title: "Delete synonym groups"
method: DELETE
path: "/v1/synonym_groups"
tags: ["Synonym groups"]
---

# Delete synonym groups

`DELETE /v1/synonym_groups`

**🔐 This endpoint requires [HTTP authentication](https://docs.constructor.com/reference/main-authentication) (either [Basic](https://docs.constructor.com/reference/main-authentication#basic-authentication) or [Bearer](https://docs.constructor.com/reference/main-authentication#bearer-authentication)).**
For authenticating with Bearer token, required scopes are: `synonyms(w)`.

Delete all synonyms groups for the provided `key`. Starts a background [task](/reference/v1-tasks-retrieve-task). Returns message.

## Query parameters

- `key` string, required — The key of the index to use.
- `section` string — The section of the index to use. Defaults to `Products`.
- `c` string — The ID of the client and version that the request is coming from, such as `cio-js-2.90`.

## Response `200`

OK

- SynonymListDeleteResponse
  - `message` string, required

## Other responses

- `400` — Validation Error
- `401` — Credentials are not passed or action is forbidden.
- `403` — The supplied token does not have the required permissions.
- `429` — Rate limit breached

---

[API](https://skmtc.dev/constructor/apis/autocomplete.md) · [All operations](https://skmtc.dev/constructor/apis/autocomplete/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/constructor/autocomplete/revisions/2d33330633b6/schema)