# Refund request

Request to refund transaction

Endpoint: POST /refund
Version: 1.2
Security: X-Api-Key

## Request fields (application/json):

  - `transaction_id` (string, required)

  - `reason` (string)

  - `initiated_by` (string)

  - `amount` (string)
    Amount to refund, if not provided, full remaining amount will be refunded

  - `currency_code` (string)
    Currency code (ISO 4217), should be present if amount is provided

## Response 200 fields (application/json):

  - `type` (string, required)
    Enum: "REFUND"

  - `data` (object, required)

  - `data.transaction_id` (string, required)

  - `data.reason` (string)
    Optional field

  - `data.initiated_by` (string)
    Optional field

## Response 400 fields (application/json):

  - `errors` (array)

  - `errors.error_code` (string, required)
    Enum: "INVALID_REQUEST_PARAMETER", "INVALID_REQUEST", "INTERNAL_ERROR", "TOO_MANY_REQUESTS", "NOT_FOUND"

  - `errors.error_message` (string, required)

## Response 401 fields (application/json):

  - `errors` (array)

  - `errors.error_code` (string, required)
    Enum: "INVALID_REQUEST_PARAMETER", "INVALID_REQUEST", "INTERNAL_ERROR", "TOO_MANY_REQUESTS", "NOT_FOUND"

  - `errors.error_message` (string, required)

## Response 429 fields (application/json):

  - `errors` (array)

  - `errors.error_code` (string, required)
    Enum: "INVALID_REQUEST_PARAMETER", "INVALID_REQUEST", "INTERNAL_ERROR", "TOO_MANY_REQUESTS", "NOT_FOUND"

  - `errors.error_message` (string, required)

## Response 500 fields (application/json):

  - `errors` (array)

  - `errors.error_code` (string, required)
    Enum: "INVALID_REQUEST_PARAMETER", "INVALID_REQUEST", "INTERNAL_ERROR", "TOO_MANY_REQUESTS", "NOT_FOUND"

  - `errors.error_message` (string, required)