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	401	July 12, 2026
Welcome to Square Developer Forums Site Feedback	8	13158	October 24, 2025
UpdateBooking rejects appointment_segments on card-paid bookings since ~2026-07-17 (reservation_segments: "no order line item with uid …") Questions booking-api	7	44	August 7, 2026
Dashboard calendar shows two bookings under the same team member; Bookings API returns two different team members Questions booking-api	0	4	August 7, 2026
Please whitelist my Redirect URI MCP oauth-api	0	3	August 7, 2026
How to disable square generated emails and SMS for appointments made through the API Questions booking-api	12	1747	August 7, 2026
Callback Url Error Does Not Match Any Expected Callback Urls Questions point-of-sale-api	3	18	August 7, 2026
.NET SDK namespace changes from 44.0.0 Questions net , sdk	4	28	August 7, 2026
Multiple quantities of one modifier Questions catalog-api	0	4	August 7, 2026
Mobile Payments SDK with Test Sandbox Account Questions	0	6	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	54	August 5, 2026
Is the Nested Modifiers beta supported by Square APIs? Questions orders-api , catalog-api	1	22	August 5, 2026
Square Franchise API Support Questions	2	21	August 5, 2026
Idempotency Issue Causing Duplicate Payment Attempts Through the Square Payments API Integration Questions	2	39	August 5, 2026
Not getting data from https://developer.squareup.com/explorer/square_2026-07-15/payouts-api/list-payouts Questions payouts-api	12	59	August 5, 2026
Apple Pay web domain verification fails with "partial response" despite confirmed complete delivery Questions	4	59	August 5, 2026
Unable to Update Web Payments SDK Allowed Domains Questions web-payments-sdk	2	23	August 5, 2026
Delist my app from the Marketplace Questions	2	36	August 4, 2026
Sandbox Dashboard Modifier Creation Page Not Loading Questions dashboard	4	31	August 4, 2026
Missing modifier_list_info for Combo Items and Undocumented combo_type_details Field in Catalog API Questions	9	57	August 4, 2026
Question About Gift Card Usage After Linking to a Customer Questions payments-api , gift-cards-api	1	16	August 4, 2026
Request for Instructions on Initiating QR Code Payments Questions terminal-api	2	21	August 4, 2026
Custom_attribute_values on an ITEM silently don't persist (sandbox) Questions	1	21	August 3, 2026
Is there an equivalent supported mechanism for Square Register and Square Handheld? Questions orders-api , terminal-api , payments-api , devices-api	7	55	August 3, 2026
How do I get the response code (200, 400 etc) from PHP SDK calls? Questions payments-api , web-payments-sdk	0	14	August 1, 2026
Square Dev SandBox Questions sandbox	2	29	July 31, 2026
Please reset or enable Developer Console access for this seller account Questions payments-api	3	23	July 31, 2026
Help! I'm getting unauthorized on $client->payments->create(...) Questions payments-api , sandbox , web-payments-sdk	2	23	July 31, 2026
Implicit sort order in sms / email notification system Questions	1	14	July 31, 2026
"Create modifier set" feature does not load on Sandbox Questions sandbox	1	17	July 31, 2026

Developer Support Consolidation

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…