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Subscriptions have a Start and an End date.
First Payment doesn’t have to be included when a Subscription is created
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Do you have any retry mechanism in case subscription payment failed? (didn't find details in api docs)
There is reference on Webhooks Web hooks for Subscription Failure
https://payrix.atlassian.net/servicedesk/customer/portal/5/article/681967654?src=-1578117077
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