Square Developer Forums - Forums for asking about Square APIs and SDKs

Square Developer Forums

Topic	Replies	Views	Activity
Developer Support Consolidation Announcements Hi all - we wanted to provide an update. We’re consolidating developer support into a single channel. Starting May 1, our Developer Forums will be the central place for all questions and discussions and as part of this c…	1	417	July 12, 2026
Welcome to Square Developer Forums Site Feedback	8	13164	October 24, 2025
Custom_attribute_values on an ITEM silently don't persist (sandbox) — reproduced without the SDK Questions catalog-api , sandbox	0	1	August 11, 2026
How to join the Discord Developer chat? Questions	1	5	August 11, 2026
Web Payments SDK returns 401 on payments hydrate in production Questions web-payments-sdk	6	19	August 11, 2026
Terminal API auto card surcharge (Beta) never applies — enrollment path for Connected Terminal? Questions terminal-api	4	43	August 11, 2026
Webhook booking.created events are missing for some appointments Questions webhooks-api	1	6	August 11, 2026
Square Ipad Kiosk integration with cutom app to accept payment Questions payments-api	5	107	August 11, 2026
Payments write additional recipients Questions payments-api	1	7	August 11, 2026
Min and max selection modifier confusion Questions catalog-api	1	5	August 11, 2026
Unpaid dine-in QR orders not showing on Square Restaurant POS Questions orders-api , terminal-api , payments-api , checkout-api , point-of-sale-api	1	6	August 11, 2026
Orders API 1% fee for non-Square payment providers — who is billed, what basis, AU + GST treatment? Questions orders-api , payments-api	1	7	August 11, 2026
What causes a Checkout API order to move from DRAFT to OPEN, and is OPEN a reliable indicator of payment? Questions	1	5	August 11, 2026
Payout Entry Effective At Date Questions payouts-api	1	7	August 11, 2026
Question About Gift Card Usage After Linking to a Customer Questions payments-api , gift-cards-api	3	28	August 11, 2026
Not getting data from https://developer.squareup.com/explorer/square_2026-07-15/payouts-api/list-payouts Questions payouts-api	14	74	August 11, 2026
Feature request: Embeddable / inline card entry for Flutter (In-App Payments) and Web — multi-POS restaurant apps Feature Requests in-app-payments-sdk , web-payments-sdk , mobile-payments-sdk	3	39	August 11, 2026
Dashboard calendar shows two bookings under the same team member; Bookings API returns two different team members Questions booking-api	1	18	August 11, 2026
Cancelling a paid order without its scheduled kitchen ticket printing — is there a supported way? Questions orders-api , payments-api	1	10	August 11, 2026
429 "Catalog locked by prior request" on first BatchUpsertCatalogObjects request in production Questions catalog-api , sdk	0	3	August 11, 2026
Is the Nested Modifiers beta supported by Square APIs? Questions orders-api , catalog-api	3	35	August 10, 2026
Mobile Payments SDK with Test Sandbox Account Questions	1	15	August 10, 2026
UpdateBooking rejects appointment_segments on card-paid bookings since ~2026-07-17 (reservation_segments: "no order line item with uid …") Questions booking-api	7	57	August 7, 2026
Please whitelist my Redirect URI MCP oauth-api	0	12	August 7, 2026
How to disable square generated emails and SMS for appointments made through the API Questions booking-api	12	1753	August 7, 2026
Callback Url Error Does Not Match Any Expected Callback Urls Questions point-of-sale-api	3	27	August 7, 2026
.NET SDK namespace changes from 44.0.0 Questions net , sdk	4	38	August 7, 2026
Why do all in-app Apple Pay payments decline with GENERIC_DECLINE when the same cards succeed via keyed entry on the same seller?" Questions	4	57	August 5, 2026
Square Franchise API Support Questions	2	29	August 5, 2026
Idempotency Issue Causing Duplicate Payment Attempts Through the Square Payments API Integration Questions	2	42	August 5, 2026