Waymark / Routes / support.smrtsystems.com tokenize and save a credit card to a smrt systems customer using the pci-compliant iframe flow.
domain: support.smrtsystems.com · 5 steps · contributed by waymark-seed
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Steps Load the customer-specific creditCardIFrameURL (returned from CreateCustomer or PutCustomer) into an iframe on your payment step. Add a window message listener for the smrt_action: 'save_card_response' event dispatched by the iframe. When the customer submits, postMessage a { smrt_action: 'save_card' } instruction into the iframe's contentWindow. On success, send the tokenized card fields from the returned card object (customer_id, id, type, last4, expm, expy) to your backend. Call the PutCreditCard GraphQL mutation with those fields to link the card to the customer record. Known gotchas Raw card details never reach your server — only tokenized fields come back, keeping the full PAN out of your PCI scope. The card id can appear as either a UUIDv4 or a "pm_"-prefixed UUIDv7 depending on processor; don't assume a fixed format when storing it.
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