Initiates a refund for a completed order.
Organization ID
Your unique identifier for the user
256Order ID (can include multiple transactions, fallbacks, and refunds)
Short reason code (e.g., "duplicate_payment", "unauthorized_charge")
256Human-readable comment or reference (e.g., support ticket link)
2048Refund amount (omit for full refund)
Keep subscription active (true) or cancel it (false)
The response is of type Ok200 · object.