post
https://api.greenleaze.com/v1/subscription-change//credit-note
Attaches a credit note to a price edit held in pending-credit-note.
Call this endpoint to obtain a pre-signed URL, then PUT the PDF to that URL (Content-Type: application/pdf).
Alternatively, you can reuse the presigned URL returned by the creation endpoint.
curl -X PUT "<presignedUrl>" \
-H "Content-Type: application/pdf" \
--data-binary @credit-note.pdf