# Update order note for a billing attempt

Updates the order note (customer note) for a billing attempt. This note will be included when the order is created in Shopify.

Use Cases:
- Add delivery instructions
- Include gift messages
- Add special handling notes
- Store customer preferences for this order

Important Notes:
- Only works on QUEUED billing attempts
- Note is included in the Shopify order when created
- Can be updated multiple times before order is processed

Authentication: Requires valid X-API-Key header

Endpoint: PUT /api/external/v2/subscription-billing-attempts-update-order-note/{id}
Version: 0.0.1

## Path parameters:

  - `id` (integer, required)
    Billing Attempt ID

## Query parameters:

  - `api_key` (string)
    API Key (Deprecated - Use Header X-API-Key instead)

  - `orderNote` (string, required)
    Updated Order Note

## Header parameters:

  - `X-API-Key` (string)