#Vinit_Churi
tall viper
ebon mortar
👋 happy to help, please bear with me as it's a bit busy, I'll get to your question asap, sorry in advance
sick lake
hello @ebon mortar could you please help me with my query?
I did figure out this parameters
"the customer id" &
"the customer subscription id"
what parameter do I need to pass for the api to know whatever plan the user wanting to switch to
ebon mortar
there are a couple more params that you need to pass and some of them depend on the behavior you want
https://stripe.com/docs/api/invoices/upcoming#upcoming_invoice-subscription_items
subscription items represent the items you want to change in the subscription
https://stripe.com/docs/api/invoices/upcoming#upcoming_invoice-subscription_proration_behavior depending on how you want to deal with proration
and https://stripe.com/docs/api/invoices/upcoming#upcoming_invoice-subscription_proration_date in the case you want to simulate a proration at a specific date
sick lake
in which parameter can I pass the plan id or plan price my user is intending to switch to
sick lake
I'm sending the price Id of the plan which the user want's to upgrade to and I'm getting this error
ebon mortar
if you're using Postman I would suggest looking at our official Postman directory
remote swift
as the error mentions, you need to change the param to subscription_items[0][price].
sick lake
yes I'm using the offical stipe postman collection
I have made a fork of the collection
sick lake
as the error mentions, you need to change the param to subscription_items[0][pri...
and what parameter should I enter
the price of plan?
remote swift
not sure what you mean by that.
looks like the request you shared would work, if you fix that error.
sick lake
ok let me try
please wait 2-3 min. till I test things, thanks for your patience
Now I'm getting this error
remote swift
can you share the request ID req_xxx for that error? it's the in the HTTP response headers.
sick lake
here sir
remote swift
no, I mean please post the string req_xxx here(paste it here)
also your screenshot is the request headers. It's in the response headers. https://stripe.com/docs/api/request_ids
sick lake
{{baseUrl}}/v1/invoices/upcoming?customer=cus_MTj6WrH66KsUve&subscription=sub_1LkleACy95Kg2yHQ78cIV4r4&subscription_items[0][price]=price_1L2vqOCy95Kg2yHQ0XUMrwcI
👆
found it sir here
req_pyqZUHxPpDXX9s
👆 😅
remote swift
you need to pass the id of the existing item that you're changing https://stripe.com/docs/api/invoices/upcoming#upcoming_invoice-subscription_items-id , basically.
in your case that's si_MTj6AVUVitPiHD I think.
sick lake
existing plan id?
sick lake
in your case that's `si_MTj6AVUVitPiHD ` I think.
which param should I pass this into
remote swift
subscription_items[0][id]
sick lake
could you please wait 2-3 min till I try out changes
sick lake
in your case that's `si_MTj6AVUVitPiHD ` I think.
thanks you very much sir it's working, but what exactly is this subscription_items[0][id] and this id si_MTj6AVUVitPiHD that you mentiond
remote swift
it's the ID of existing item on the subscription that you're updating
when you have a Subscription object, it has a list of items which are the various Prices attached to that Subscription. Each item has an ID https://stripe.com/docs/api/subscriptions/object#subscription_object-items-data-id
changing the Price on a subscription means, changing the Price on one of those items, so you need to pass the id of that item in the update call. https://stripe.com/docs/billing/subscriptions/upgrade-downgrade#changing shows how that is done