# Promote branch as the default one

**PATCH /docs/{doc_id_or_slug}/branches/{slug}/set_default**




## Servers
- https://bump.sh/api/v1: https://bump.sh/api/v1 ()


## Authentication methods
- Authorization token
- Basic token


## Parameters

#### Path parameters
- **doc_id_or_slug** (string)
  UUID or slug of a documentation which can be seen in the Automatic Deployment settings page of your documentation
- **slug** (string)
  Slug of a branch which can be seen in the branches settings page of your documentation



## Responses
### 200: Branch is already the default branch.

### 204: Branch is now set to default.

### 404: Branch not found

### 422: Branch has an empty history


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