# Upsert custom phrases

**PUT /api/custom-phrases/{languageTag}**

Upsert custom phrases for the specified language tag. Upsert means that if the custom phrases already exist, they will be updated. Otherwise, they will be created.


## Servers
- Logto endpoint address.: https://[tenant_id].logto.app (Logto endpoint address.)


## Authentication methods
- O auth2


## Parameters

### Path parameters
- **languageTag** (string)



### Body: application/json (object)

- **[translationKey]** (string)



## Responses
### 201
Custom phrases created or updated successfully.

#### Body: application/json (object)
- **tenantId** (string)

- **id** (string)

- **languageTag** (string)

- **translation** (object)


### 400
Bad Request

### 401
Unauthorized

### 403
Forbidden

### 422
Invalid translation structure.


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