How can I add trial days to an existing subscription?

[josepfm]

I want to add trial days after I create a subscription, so that the first payment is made when I create it and the next payment when the trial days are over.

Any ideas?

[swirlingskirts]

My approach would be to create the subscription with trial, then perform a one-off charge for whatever the start fee is.

[driesvints]

At the moment there's no functionality that adds trial days to an existing subscription. The Stripe docs detail that this is possible but will result in a proration (which seems obvious): https://stripe.com/docs/billing/subscriptions/changing

I can see this being useful in some cases so I'll tag this as a feature request. Since this is nothing we'll use ourselves at anytime soon we'll probably won't develop this ourselves. We are however welcoming PRs for this.

[dotmbf]

@driesvints Couldn't you just update it through the Stripe API manually (not using cashier, but sending the data throuh metadata)
and then updating your user's subscription? (trial_ends_at and ends_at)?

[driesvints]

@mikkelbfriis not sure. Would have to dig into the api and don't have the time for that atm.

[driesvints]

I've sent in a PR for this here: #550