You can extend a membership in the Vendo database using the extend subscription API. The next rebill date or the expiration date for the membership will be extended when the API is called.

On successful extension a response 1 is returned, otherwise, the API returns one of the following errors:

Response codeDescription
5929Signature is invalid
5970Missing parameter: subscriptionId.
5971Missing parameter: days
5972Subscription not found.
5973Subscription expired