Square Developer Forums

Topic Replies Views Activity
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…

1 452 July 12, 2026
Welcome to Square Developer Forums 8 13172 October 24, 2025
Getting error: 'CARD_DECLINED_VERIFICATION_REQUIRED' 1 3 August 17, 2026
Booking Notifications via API not working 4 21 August 17, 2026
How to obtain PPID / Apple approval for iOS app using Square reader accessory protocols? 1 7 August 17, 2026
Return Developer App Fee to Merchant 3 10 August 17, 2026
Default quantity on a modifier 4 11 August 17, 2026
429 "Catalog locked by prior request" on first BatchUpsertCatalogObjects request in production 5 35 August 17, 2026
Customers suddenly can't use square in checkout on my website 9 39 August 17, 2026
Unable to create team members via sandbox dashboard 1 9 August 17, 2026
APIs for Square Register 2 20 August 15, 2026
SuperSass API Integration 3 21 August 14, 2026
Not getting data from https://developer.squareup.com/explorer/square_2026-07-15/payouts-api/list-payouts 16 97 August 14, 2026
Please whitelist my Redirect URI 2 29 August 13, 2026
Webhook booking.created events are missing for some appointments 4 28 August 13, 2026
Webhook system API synchronization 1 15 August 13, 2026
Cannot find how to create Classes programmatically 5 63 August 13, 2026
Sandbox item modifier removed but still showing in retrieve catalog object endpoint 1 15 August 13, 2026
Request for application fee/app_fee_money access-Clt Ride Connection 1 13 August 13, 2026
Setting In/Out of Stock 6 192 August 13, 2026
Min and max selection modifier confusion 7 29 August 12, 2026
Custom_attribute_values on an ITEM silently don't persist (sandbox) — reproduced without the SDK 1 12 August 12, 2026
UpdateBooking rejects appointment_segments on card-paid bookings since ~2026-07-17 (reservation_segments: "no order line item with uid …") 8 69 August 12, 2026
How do I get the response code (200, 400 etc) from PHP SDK calls? 1 23 August 12, 2026
MFi approval request for Givanta 2 23 August 12, 2026
Cancelling a paid order without its scheduled kitchen ticket printing — is there a supported way? 2 22 August 12, 2026
Payout Entry Effective At Date 2 21 August 12, 2026
How to join the Discord Developer chat? 1 22 August 11, 2026
Web Payments SDK returns 401 on payments hydrate in production 6 39 August 11, 2026
Terminal API auto card surcharge (Beta) never applies — enrollment path for Connected Terminal? 4 54 August 11, 2026

Read the original on developer.squareup.com ↗