get/auth/username-availability

Check username availability

Check whether a username is free for a new account. Only available on instances where people sign in with a username or where usernames are unique. Usernames are compared without regard to case, and bots do not hold names. An invalid or reserved username returns a validation error.

get_username_availability

Parameters

Name	In	Type	Description
username*	query	UsernameType	Username to check (1-32 characters)

Responses

200

Success

json

{
  "type": "object",
  "properties": {
    "available": {
      "type": "boolean",
      "description": "Whether no other account holds this username"
    }
  },
  "required": [
    "available"
  ],
  "additionalProperties": false
}

400

Bad Request - The request was malformed or contained invalid data

json

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "Machine-readable error code"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "description": "Field-specific validation errors",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string",
            "description": "Field path that failed validation"
          },
          "code": {
            "description": "Machine-readable validation error code",
            "type": "string"
          },
          "message": {
            "type": "string",
            "description": "Human-readable validation error message"
          }
        },
        "required": [
          "path",
          "message"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "code",
    "message"
  ],
  "additionalProperties": {}
}

429

Too Many Requests - You are being rate limited

json

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "Machine-readable error code"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "description": "Field-specific validation errors",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string",
            "description": "Field path that failed validation"
          },
          "code": {
            "description": "Machine-readable validation error code",
            "type": "string"
          },
          "message": {
            "type": "string",
            "description": "Human-readable validation error message"
          }
        },
        "required": [
          "path",
          "message"
        ],
        "additionalProperties": false
      }
    },
    "retry_after": {
      "type": "number",
      "description": "Seconds to wait before retrying"
    },
    "global": {
      "type": "boolean",
      "description": "Whether this is a global rate limit"
    }
  },
  "required": [
    "code",
    "message"
  ],
  "additionalProperties": {}
}

500

Internal Server Error - An unexpected error occurred

json

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "Machine-readable error code"
    },
    "message": {
      "type": "string",
      "description": "Human-readable error message"
    },
    "errors": {
      "description": "Field-specific validation errors",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "path": {
            "type": "string",
            "description": "Field path that failed validation"
          },
          "code": {
            "description": "Machine-readable validation error code",
            "type": "string"
          },
          "message": {
            "type": "string",
            "description": "Human-readable validation error message"
          }
        },
        "required": [
          "path",
          "message"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "code",
    "message"
  ],
  "additionalProperties": {}
}