# Get all custom header groups

GET /v3/custom-headers

Endpoint: GET /v3/custom-headers
Security: API_Key

## Response 200 fields (application/json):

  - `customHeaderGroups` (array, required)

  - `customHeaderGroups.id` (integer, required)

  - `customHeaderGroups.groupName` (string, required)

  - `customHeaderGroups.headerCount` (integer, required)

  - `customHeaderGroups.requestUrlFilterCount` (integer, required)

  - `customHeaderGroups.createdBy` (integer, required)

  - `customHeaderGroups.createdAt` (string, required)

  - `customHeaderGroups.updatedAt` (string, required)

  - `customHeaderGroups.applyToAll` (boolean, required)

  - `customHeaderGroups.assignments` (array, required)

  - `customHeaderGroups.assignments.itemType` (string, required)
    Enum: "AUDIT", "WEB_JOURNEY"

  - `customHeaderGroups.assignments.itemId` (integer, required)

## Response 401 fields (application/json):

  - `timestamp` (string)

  - `message` (string)

  - `details` (string)

  - `validationReport` (object)

## Response 403 fields (application/json):

  - `timestamp` (string)

  - `message` (string)

  - `details` (string)

  - `validationReport` (object)