get https://secure.vend-o.com/api/extend-subscription/
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 code | Description |
|---|---|
| 5929 | Signature is invalid |
| 5970 | Missing parameter: subscriptionId. |
| 5971 | Missing parameter: days |
| 5972 | Subscription not found. |
| 5973 | Subscription expired |