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Japan: recurring card-on-file payments using our own scheduler — MIT/3DS and API requirements
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2
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37
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November 2, 2026
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PCI DSS Level 1 - send network tokens and raw pans
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1
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22
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November 2, 2026
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Payments API policy and authorization requirements
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3
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50
|
October 28, 2026
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Square Customer Merge: Impact on Cards API IDs and CreatePayment
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1
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25
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October 26, 2026
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CreateCard INVALID_CARD_DATA after successful Web Payments SDK tokenization — request for private trace review
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1
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51
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October 22, 2026
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API endpoint for card balances
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1
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30
|
October 5, 2026
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CreateInvoice returns INVALID_CARD for a card created seconds earlier with CreateCard
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1
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35
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October 5, 2026
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CreateCard INVALID_CARD_DATA with Ecuador-issued international Visa after successful payment
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14
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123
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September 29, 2026
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Is the Card fingerprint consistent across sellers who authorise the same OAuth app?
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2
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38
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September 29, 2026
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Need urgent help with 400 response INVALID_REQUEST_ERROR
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10
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672
|
September 18, 2026
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Unable to add customer card - INVALID_REQUEST_ERROR / INVALID_CARD_DATA / source_id
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8
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1453
|
September 18, 2026
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INVALID_CARD_DATA problem
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10
|
4786
|
September 8, 2026
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Can square_card_id from a third-party card import mapping file be used as card_id in CreateSubscription?
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1
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50
|
July 24, 2026
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Integration of Square with Third-Party Platform
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1
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140
|
May 18, 2026
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[sandbox] inconsistent support of emails like [email protected]
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1
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50
|
February 9, 2026
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Invalid_request_error
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10
|
287
|
February 4, 2026
|
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Customer Not Found Weirdness
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8
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191
|
November 15, 2025
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Save ACH data for later use
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3
|
1242
|
November 12, 2025
|
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Why is Saved Card( MasterCard ) saved using ApplePay tap failing when used later?
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2
|
104
|
August 19, 2025
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Payment ID as card source - 'source has expired'
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2
|
111
|
July 28, 2025
|
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Sandbox card 4111 1111 1111 1111 does not work anymore
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2
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255
|
July 2, 2025
|
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Cards point to old customer after merge
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6
|
206
|
June 11, 2025
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Random "Payment on file not found" errors
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6
|
1599
|
June 6, 2025
|
|
Question: card.automatically_updated webhook
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6
|
181
|
April 24, 2025
|
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Cards API no longer returning card type or brand
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3
|
126
|
April 4, 2025
|
|
Card API "Source was used before"
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|
9
|
302
|
February 18, 2025
|
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POST /v2/cards completely ignores `card.billingAddress.firstName` and `lastName`
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2
|
116
|
January 21, 2025
|
|
Can the card fingerprint be determined before a payment?
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14
|
346
|
December 20, 2024
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Execute payment with previously saved card
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|
3
|
172
|
December 16, 2024
|
|
Does the card tokenize response have a timeout? How long is it?
|
|
2
|
157
|
October 10, 2024
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