#koks_api

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small widgetBOT
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quiet haven
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hi

snow marten
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Hello
Is there a guide you're following for this?

quiet haven
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refering this link

snow marten
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What error are you seeing?

quiet haven
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I'm not getting any error, rather i get a link and i open it to make payment . I want to use the saved card details but i see all blank card values

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how can i retrieve saved card details for returning customer?

snow marten
quiet haven
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do i need to enable payment_intent_data.setup_future_usage to prefill the card details for returning customer?

snow marten
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You should.. This would allow you to save payment method if the customer doesn't have one saved already

quiet haven
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let me try

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payment_intent_data.setup_future_usageis unsupported for payment methodklarna`

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getting this error

snow marten
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The error is correct. You can't save klarna type payment method.

quiet haven
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ok, let me try

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error is correct, can you help how to proceed now

snow marten
quiet haven
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I just read the document and i see i have all the paramters as mentioned

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String second = string.valueOf(system.now().second())+(300);
body += 'success_url='+ siteURL +'?opportunity_id='+OpportunityId;
body += '&cancel_url='+ siteURL + '?session_id={CHECKOUT_SESSION_ID}';
body += '&line_items[0][price_data][product]=' + product_Id;
body += '&line_items[0][price_data][unit_amount]=' + amt;
body += '&line_items[0][quantity]=1';
body += '&line_items[0][price_data][currency]=' + crncy;
body += '&mode=payment';
body += '&customer_creation=always';
body += '&saved_payment_method_options[payment_method_save]=enabled';
body += '&saved_payment_method_options[allow_redisplay_filters]';
body += '&payment_intent_data[setup_future_usage]=on_session';

    if(PaymentMethodType=='card'){
        body += '&payment_method_types[0]=card';                
    } else {
        body += '&payment_method_types[0]=card'; 
        body += '&payment_method_types[1]=us_bank_account';
        body += '&payment_method_types[2]=cashapp';
        body += '&payment_method_types[3]=klarna';
    }
    
    body += '&tax_id_collection[enabled]=true';
    body += '&client_reference_id=' + customerId;
   // body += '&customer=' + customerId;
    body += '&billing_address_collection=required';
    body += '&phone_number_collection[enabled]=true';
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Do i need this " body += '&payment_intent_data[setup_future_usage]=on_session';" for saving card details with Mode = Payment?

snow marten
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This section explains it - https://docs.stripe.com/payments/save-during-payment?platform=web&ui=stripe-hosted#save-payment-methods-to-prefill-them-in-checkout

If you're only trying to save the payment method to prefill it then you don't need setup_future_usage.

If you're trying to save the payment method to charge it later when the customer isn't around then you should set setup_future_usage

Since you're setting payment method types yourself in your code, i.e.

            body += '&payment_method_types[0]=card';
        } else {
            body += '&payment_method_types[0]=card'; 
            body += '&payment_method_types[1]=us_bank_account';
            body += '&payment_method_types[2]=cashapp';
            body += '&payment_method_types[3]=klarna';
        }```

You'll get the API error as you're setting `setup_future_usage` while using `klarna` as a payment method. So either remove `setup_future_usage` or `klarna`

OR if you want to keep both, you can specify `setup_future_usage` for just cards under `payment_method_options.card.setup_future_usage` ( and remove top level `payment_intent_data[setup_future_usage]`)
https://docs.stripe.com/api/checkout/sessions/create#create_checkout_session-payment_method_options-card-setup_future_usage
quiet haven
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I don't need to charge customer later when they aren't around

snow marten
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then you can omit setup_future_usage altogether

quiet haven
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so i'll remove setup_future_usage and try now

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If you're trying to save the payment method to charge it later when the customer isn't around then you should set setup_future_usage
how can I test this scenario

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can you guide me?

snow marten
small widgetBOT
karmic oar
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Hi there 👋 catching up as my teammate needs to step away soon. Am I right in understanding that you're trying to get details of Customer's existing Payment Method to be prefilled in a Checkout Session?

If so, what I typically see preventing that, is that the Payment Method is created without full billing details like an address. Can you share the ID of the Payment Method (has a pm_ prefix) that you're wanting to be prefilled in checkout?

quiet haven
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hi

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you are right

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i want to understand once card details are saved, how can i re use it pay when customer isn't around

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exactly trying to save the payment method to charge it later when the customer isn't around

karmic oar
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Okay, let's start by making sure I understand what you're trying to accomplish, because it seems like those are conflicting answers.

Are you:
A) trying to save a Payment Method so you can use it to charge customers later when they aren't around
or
B) trying to save a Payment Method in such a way that when your customer sees their saved Payment Method details prefilled when they access a Checkout Session later

quiet haven
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want to automatically deduct the remaining amount by using saved card details

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option A is what i am looking for

karmic oar
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Gotcha, and you are trying to save those details while also processing a payment?

Like you're charging the customer a first payment immediately, and then plan to charge their Payment Method for the remaining amount later?

quiet haven
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right

karmic oar
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Gotcha, to do that, you will need to set payment_intent_data.setup_future_usage to off_session when creating the Checkout Session.

If you're manually passing your own values for payment_method_types (rather than using dynamic payment methods), then you will need to override that value on a per-payment-method basis to ensure you aren't trying something that isn't supported.

So if you specify klarna in payment_method_types, then you also need to set payment_method_options.klarna.setup_future_usage to none. You'll also need to have business logic and code ready to handle that, since if your customer chooses to pay with Klarna you won't be able to charge that Payment Method again in the future.

quiet haven
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so are you saying, klarna payment method types are not supported for future payments?