# Get username case-sensitivity conflicts

**GET /api/sign-in-exp/username-policy/case-sensitivity-conflicts**

List groups of usernames that collide when compared case-insensitively (i.e. usernames that would clash if the tenant switched to a case-insensitive username policy), with the total group count and a capped sample. Useful for surfacing conflicts before disabling case sensitivity.


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


## Authentication methods
- O auth2


## Parameters


### Query parameters

- **limit** (number)



## Responses
### 200
The total number of case-insensitive username collision groups and a sample of them.

#### Body: application/json (object)
- **totalConflicts** (number)

- **samples** (array[object])


### 400
Bad Request

### 401
Unauthorized

### 403
Forbidden


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