Sources in pending status require customer approval. The authorisation link is on the source page.
Source (mandate request) starts in pending status when you create it but the customer has yet to authorise it.
Once the customer authorises the source, it automatically creates a mandate.
Sources for new customers:
1. For sources for new customers, find the source by looking for it in the Sources page.
Sources for existing customers:
1. For sources for existing customers, find the customer through search, or click on Customers in the menu, then click on the customer.
2. You will find a list of the customer's sources. Notice that in this case the source has a grey dot beside it. This shows that it requires further action before it can create a mandate.
Click on the source reference to view in more detail. You can confirm the current status of the source in the details section.
If you have already created a payment or subscription for the customer you will see that they are in pending status.