Get a user by ID

Retrieves a specific user by their unique identifier. This endpoint only accepts user IDs - for email-based lookup, use GET /v1/users/email/{email}. For getting your own profile, use GET /v1/users/me.

curl -X GET "http://localhost:8080/v1/users/550e8400-e29b-41d4-a716-446655440000"

{
  "userId": "550e8400-e29b-41d4-a716-446655440000",
  "email": "[email protected]",
  "displayName": "John Doe",
  "username": "johndoe",
  "createdAt": 1620000000000,
  "updatedAt": 1620100000000
}