---
title: "Unsubscribe Contact from Topic"
method: POST
path: "/v1/topics/{id}/unsubscribe"
tags: ["Topics"]
---

# Unsubscribe Contact from Topic

`POST /v1/topics/{id}/unsubscribe`

Unsubscribe a contact from a topic. Requires API key with audience:write.

## Path parameters

- `id` string, required

## Request body

- TopicSubscriptionRequest
  - `subscriberId` string, required — Contact ID to subscribe/unsubscribe
  - `projectId` string, required

## Response `200`

Subscription updated

- ApiResponseTopicSubscription
  - `success` boolean, required
  - `data` object, nullable
    - `topicId` string
    - `subscriberId` string
    - `subscribed` boolean
  - `error` string, nullable

## Other responses

- `400` — Bad request
- `401` — Unauthorized
- `404` — Resource not found

---

[API](https://skmtc.net/migma/apis/migma-ai-api-v1.md) · [All operations](https://skmtc.net/migma/apis/migma-ai-api-v1/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/migma/migma-ai-api-v1/revisions/2d06ad0e0bc3/schema)