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Order notification e-mails in Checkout API differ from deprecated API
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1
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14
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July 24, 2026
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Sandbox Checkout API now returning 401
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17
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98
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July 17, 2026
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Terminal Checkout API now causes promot to choose payment type
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3
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69
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July 17, 2026
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Terminal API checkout always returns NOT_FOUND
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3
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40
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July 2, 2026
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Cash app and after pay not showing on square hosted checkout
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3
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44
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June 22, 2026
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Implementing Checkout API in Node.js
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3
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45
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June 22, 2026
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Fully paid order with PROPOSED fulfillment not showing in Dashboard
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1
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41
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May 4, 2026
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Checkouts > Create Payment Link > pre_populated_data + fullfillments
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7
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189
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April 22, 2026
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Does Checkout API Send Automatic Email Receipts?
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4
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89
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April 13, 2026
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NFC loyalty tap (Apple VAS / Google Smart Tap)
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1
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110
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March 23, 2026
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Create unpaid order
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8
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436
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February 16, 2026
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Terminal API cannot show signature page
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3
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530
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February 6, 2026
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Reliable way to get Square Checkout custom input field values via API?
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4
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56
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January 22, 2026
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Square API developer needed for ParcelHive integration
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4
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65
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January 16, 2026
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Subscription payment link is not working
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19
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389
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January 10, 2026
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INVALID_REQUEST_ERROR (API endpoint not found) on `/v2/online-checkout/payment-links`
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11
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142
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December 12, 2025
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Apple pay in checkout api
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11
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739
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December 1, 2025
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Subsrciptions for Items with Item Variations not being set up
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18
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149
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November 12, 2025
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Confirmation of valid charge via Quick Pay Checkout using CURL
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6
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109
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November 12, 2025
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Device compatibility for /v2/terminals/checkouts
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3
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94
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October 24, 2025
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Support for Custom Statement Descriptors in Square Checkout API
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2
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81
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October 3, 2025
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Integration for payment is not applying taxes
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2
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149
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August 7, 2025
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Issue refunds when I integrate Checkout API to my website
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2
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78
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July 24, 2025
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Quick Pay Checkout works with Sandbox Credentials... But Not Production Credentials
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4
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150
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July 17, 2025
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How to stop tax showing as Built-in to the Subtotal
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8
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170
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July 16, 2025
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HTTPS via curl_init() versus HTTPS via -X POST
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8
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152
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July 17, 2025
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Can I Use Square’s Checkout API (Not SDK) to Retrieve My Shopping Cart’s Checkout Page Grand Total?
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3
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101
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July 14, 2025
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I am a third party integration i am placing a delivery order for my client restaurant it is not placing the order why
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11
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208
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July 8, 2025
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Enabling ACH Payments via Checkout API
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2
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140
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June 10, 2025
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How to debug VALUE_EMPTY – Field must not be blank Errors on checkout
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2
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133
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May 16, 2025
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