Upgrade mailbox storage

POST 
/mail/mailboxes/:mailbox_id/upgrade

Increases storage to a larger active plan. The mailbox must be active and paid. The extra charge is the difference between current monthly prices multiplied by the remaining fraction of each paid calendar month, rounded to four decimal places. paid_until stays unchanged. Storage cannot be reduced.

Request

Responses

202

Successful response

401

Missing or invalid key, mismatched ID, or inactive integration

403

Access denied.

404

Resource not found in this integration.

409

Resource state, payment, price or idempotency conflict. See the mail guide for error codes.

422

Invalid request fields or unsupported parameters

500

Unexpected server error

503

Mail service or usage data temporarily unavailable.