# Get Contact Filter Values

Returns valid values for a single contact filter type.

| Filter type | Query required? |
|---|---|
| departments | No |
| seniority | No |
| existingDataPoints | No |
| countries | No |
| locations | Yes (2-256 chars) |

Endpoint: GET /v3/contacts/prospecting/filters/{filterType}
Security: ApiKeyAuth

## Path parameters:

  - `filterType` (string, required)
    Enum: "departments", "seniority", "existingDataPoints", "countries", "locations"

## Query parameters:

  - `query` (string)

## Response 200 fields (application/json):

  - `values` (any,null)
    Filter values (shape depends on filter type)

## Response 400 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code
    Example: 400

  - `message` (string, required)
    Error message
    Example: "Validation failed"

  - `errors` (array)
    Detailed error messages (optional, only for validation errors)
    Example: ["entityType must be one of: contact, company"]

## Response 401 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code
    Example: 400

  - `message` (string, required)
    Error message
    Example: "Validation failed"

  - `errors` (array)
    Detailed error messages (optional, only for validation errors)
    Example: ["entityType must be one of: contact, company"]

## Response 403 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code
    Example: 400

  - `message` (string, required)
    Error message
    Example: "Validation failed"

  - `errors` (array)
    Detailed error messages (optional, only for validation errors)
    Example: ["entityType must be one of: contact, company"]

## Response 429 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code
    Example: 400

  - `message` (string, required)
    Error message
    Example: "Validation failed"

  - `errors` (array)
    Detailed error messages (optional, only for validation errors)
    Example: ["entityType must be one of: contact, company"]