# Latest **URL:** https://developer.squareup.com/forums/latest.md?page=1 [Latest](https://developer.squareup.com/forums/latest.md) · [Categories](https://developer.squareup.com/forums/categories.md) · [Tags](https://developer.squareup.com/forums/tags.md) **Page:** 2 --- ## [Sandbox: concurrent buyer-level CreateBooking accepts overlapping appointments](https://developer.squareup.com/forums/t/sandbox-concurrent-buyer-level-createbooking-accepts-overlapping-appointments/28368)
**Author:** [@garrettfrombizmeet](https://developer.squareup.com/forums/u/garrettfrombizmeet)\ **Replies:** 3\ **Last updated:** [October 29, 2026, 11:24pm UTC](https://developer.squareup.com/forums/t/sandbox-concurrent-buyer-level-createbooking-accepts-overlapping-appointments/28368 "2026-10-29T23:24:03Z")
Hi Square team — we are testing buyer-level appointment booking in Sandbox. The documentation says buyer-level bookings cannot double-book, but concurrent creates can both return ACCEPTED for the same staff/service/time.… --- ## [Allowlist request: Cursor for mcp.squareup.com dynamic client registration](https://developer.squareup.com/forums/t/allowlist-request-cursor-for-mcp-squareup-com-dynamic-client-registration/28214)
**Author:** [@staugaard](https://developer.squareup.com/forums/u/staugaard)\ **Replies:** 3\ **Last updated:** [October 29, 2026, 9:33pm UTC](https://developer.squareup.com/forums/t/allowlist-request-cursor-for-mcp-squareup-com-dynamic-client-registration/28214 "2026-10-29T21:33:11Z")
Hi Square team, The Square MCP docs (https://developer.squareup.com/docs/mcp) say Square keeps an allowlist of MCP clients and that additions are requested here. Please add Cursor. Cursor connects to https://mcp.square… --- ## [Delisted App Help](https://developer.squareup.com/forums/t/delisted-app-help/28391)
**Author:** [@dropinblog](https://developer.squareup.com/forums/u/dropinblog)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 8:19pm UTC](https://developer.squareup.com/forums/t/delisted-app-help/28391 "2026-10-29T20:19:11Z")
Our app DropInBlog was delisted about a month ago. It mentions addressing issues but there are no issues noted. Can you help us get it listed again please. --- ## [Android Mobile Payments SDK: authorized but location is null; safe recovery with unknown offline queue](https://developer.squareup.com/forums/t/android-mobile-payments-sdk-authorized-but-location-is-null-safe-recovery-with-unknown-offline-queue/28373)
**Author:** [@toby](https://developer.squareup.com/forums/u/toby)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 5:12pm UTC](https://developer.squareup.com/forums/t/android-mobile-payments-sdk-authorized-but-location-is-null-safe-recovery-with-unknown-offline-queue/28373 "2026-10-29T17:12:44Z")
We need a supported recovery procedure for a production Android application using Mobile Payments SDK 2.6.1. On a physical device, authorizationState.isAuthorized is true and authorization is not in progress, but Authori… --- ## [Sandbox Appointments provisioning request — Default Test Account not onboarded](https://developer.squareup.com/forums/t/sandbox-appointments-provisioning-request-default-test-account-not-onboarded/28383)
**Author:** [@nanasapothecary](https://developer.squareup.com/forums/u/nanasapothecary)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 5:12pm UTC](https://developer.squareup.com/forums/t/sandbox-appointments-provisioning-request-default-test-account-not-onboarded/28383 "2026-10-29T17:12:16Z")
Hello Square Developer Support, We are preparing a custom booking-site launch and need to complete seller-level Bookings API acceptance tests in Sandbox: booking creation, time changes, cancellation, and creating a re… --- ## [UK single-restaurant website: private DELIVERY eligibility, POS visibility and address printing](https://developer.squareup.com/forums/t/uk-single-restaurant-website-private-delivery-eligibility-pos-visibility-and-address-printing/28389)
**Author:** [@ALOI](https://developer.squareup.com/forums/u/ALOI)\ **Replies:** 0\ **Last updated:** [October 29, 2026, 4:57pm UTC](https://developer.squareup.com/forums/t/uk-single-restaurant-website-private-delivery-eligibility-pos-visibility-and-address-printing/28389 "2026-10-29T16:57:37Z")
We operate one UK restaurant and are building our own website checkout for our own Square account, with deliveries handled by our own drivers. The integration is private to our business; we are not distributing an app to… --- ## [Updating RELATIVE subscription order-template pricing without changing an active subscription or billing date](https://developer.squareup.com/forums/t/updating-relative-subscription-order-template-pricing-without-changing-an-active-subscription-or-billing-date/28376)
**Author:** [@HGS\_dev](https://developer.squareup.com/forums/u/HGS_dev)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 4:08pm UTC](https://developer.squareup.com/forums/t/updating-relative-subscription-order-template-pricing-without-changing-an-active-subscription-or-billing-date/28376 "2026-10-29T16:08:38Z")
We operate a live SaaS application using Square Subscriptions API version 2026-09-16. We have an existing ACTIVE subscription with: Billing cadence: ANNUAL Pricing type: RELATIVE One active subscription phase Attached… --- ## [Square API Pagination Skips Transactions When Retrieving Large Sets of Payments Across Multiple Pages](https://developer.squareup.com/forums/t/square-api-pagination-skips-transactions-when-retrieving-large-sets-of-payments-across-multiple-pages/28357)
**Author:** [@glenphillips](https://developer.squareup.com/forums/u/glenphillips)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 2:45pm UTC](https://developer.squareup.com/forums/t/square-api-pagination-skips-transactions-when-retrieving-large-sets-of-payments-across-multiple-pages/28357 "2026-10-29T14:45:10Z")
Hi members, I am experiencing an intermittent data retrieval problem while using the Square Payments API in a native application that collects transaction records for internal reconciliation and reporting. The applicati… --- ## [MCP Allowlist Request - GBrain](https://developer.squareup.com/forums/t/mcp-allowlist-request-gbrain/28375)
**Author:** [@jamie\_gbrain\_io](https://developer.squareup.com/forums/u/jamie_gbrain_io)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 2:36pm UTC](https://developer.squareup.com/forums/t/mcp-allowlist-request-gbrain/28375 "2026-10-29T14:36:15Z")
Hi Square team! We’d like our redirect URIs added to the Square MCP server’s allowlist. Product: GBrain (gbrain.io), a hosted AI workspace for teams. Redirect URIs: https://gbrain.io/oauth/mcp/callback (production) h… --- ## [Japan: recurring card-on-file payments using our own scheduler — MIT/3DS and API requirements](https://developer.squareup.com/forums/t/japan-recurring-card-on-file-payments-using-our-own-scheduler-mit-3ds-and-api-requirements/28381)
**Author:** [@uedadaiki](https://developer.squareup.com/forums/u/uedadaiki)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 8:19am UTC](https://developer.squareup.com/forums/t/japan-recurring-card-on-file-payments-using-our-own-scheduler-mit-3ds-and-api-requirements/28381 "2026-10-29T08:19:21Z")
Hello Square Developer Support, We are integrating Square into a subscription-based web service in Japan. Square Japan Support referred us to this forum for technical guidance. First, we would like to clarify our inten… --- ## [UK marketplace app with seller payments, commission and monthly subscriptions](https://developer.squareup.com/forums/t/uk-marketplace-app-with-seller-payments-commission-and-monthly-subscriptions/28377)
**Author:** [@Temmyd](https://developer.squareup.com/forums/u/Temmyd)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 5:23am UTC](https://developer.squareup.com/forums/t/uk-marketplace-app-with-seller-payments-commission-and-monthly-subscriptions/28377 "2026-10-29T05:23:29Z")
Hello Square team, I’m working on OnMe, a UK app for bars and restaurants. We want to use Square for two payment flows: Customers purchase from participating businesses. Each business connects its own Square account … --- ## [Unable to use reader with mobile sdk](https://developer.squareup.com/forums/t/unable-to-use-reader-with-mobile-sdk/28382)
**Author:** [@thecoffeestop](https://developer.squareup.com/forums/u/thecoffeestop)\ **Replies:** 1\ **Last updated:** [October 29, 2026, 3:45am UTC](https://developer.squareup.com/forums/t/unable-to-use-reader-with-mobile-sdk/28382 "2026-10-29T03:45:54Z")
I am having an impossible time getting a square ready to be usable in my app. It pairs, but then says the reader is unavailable and a unable to establish a secure connection to Square. I have verified that my bundle id … --- ## [Discount Codes API Special Access Request – Bayside Athletic Association](https://developer.squareup.com/forums/t/discount-codes-api-special-access-request-bayside-athletic-association/28338)
**Author:** [@Baysiderfc](https://developer.squareup.com/forums/u/Baysiderfc)\ **Replies:** 3\ **Last updated:** [October 28, 2026, 11:58pm UTC](https://developer.squareup.com/forums/t/discount-codes-api-special-access-request-bayside-athletic-association/28338 "2026-10-28T23:58:20Z")
Hello Square Developer Team, Bayside Athletic Association would like to request special access to the Square Discount Codes API for our existing production Square application. We operate a custom Bayside Member Rewards… --- ## [Using the Cash App ordering MCP server from a third-party app: terms, checkout and order status](https://developer.squareup.com/forums/t/using-the-cash-app-ordering-mcp-server-from-a-third-party-app-terms-checkout-and-order-status/28367)
**Author:** [@patjg85](https://developer.squareup.com/forums/u/patjg85)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 8:22pm UTC](https://developer.squareup.com/forums/t/using-the-cash-app-ordering-mcp-server-from-a-third-party-app-terms-checkout-and-order-status/28367 "2026-10-28T20:22:59Z")
Hi all. We’re building a consumer web and mobile app in the U.S. and are looking at the Order by Cash App MCP server for pickup orders at Square restaurants. Our app would call it from our own backend, not through ChatG… --- ## [Unable to test payment flow in sandbox for square-hosted checkout page](https://developer.squareup.com/forums/t/unable-to-test-payment-flow-in-sandbox-for-square-hosted-checkout-page/27682)
**Author:** [@pratyush\_square](https://developer.squareup.com/forums/u/pratyush_square)\ **Replies:** 5\ **Last updated:** [October 28, 2026, 8:07pm UTC](https://developer.squareup.com/forums/t/unable-to-test-payment-flow-in-sandbox-for-square-hosted-checkout-page/27682 "2026-10-28T20:07:36Z")
I am using square-hosted checkout pages by using payment links API and I can only see the preview of the payment page. It doesnot allow me to completely test the payment flow. I wanted to test the payment flow and paymen… --- ## [iOS In-App Payments SDK 1.6.7: encryption implementation for App Store compliance](https://developer.squareup.com/forums/t/ios-in-app-payments-sdk-1-6-7-encryption-implementation-for-app-store-compliance/28358)
**Author:** [@wyatt1029](https://developer.squareup.com/forums/u/wyatt1029)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 7:48pm UTC](https://developer.squareup.com/forums/t/ios-in-app-payments-sdk-1-6-7-encryption-implementation-for-app-store-compliance/28358 "2026-10-28T19:48:40Z")
For App Store Connect export compliance, can Square confirm whether Square In-App Payments SDK for iOS version 1.6.7 (including its bundled frameworks) implements any proprietary or standard encryption algorithms outside… --- ## [Does order\_line\_item changes, updates the updated\_at value of parent order?](https://developer.squareup.com/forums/t/does-order-line-item-changes-updates-the-updated-at-value-of-parent-order/28349)
**Author:** [@developers111](https://developer.squareup.com/forums/u/developers111)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 6:41pm UTC](https://developer.squareup.com/forums/t/does-order-line-item-changes-updates-the-updated-at-value-of-parent-order/28349 "2026-10-28T18:41:32Z")
We are using POST /v2/orders/search - Square API Reference, api to fetch orders and using the updated\_at filter to fetch data incrementally. But one observation, if the order\_line\_item or any other child of order gets u… --- ## [Square Production Webhooks Returning 401 — Signature Mismatch](https://developer.squareup.com/forums/t/square-production-webhooks-returning-401-signature-mismatch/28223)
**Author:** [@Loo](https://developer.squareup.com/forums/u/Loo)\ **Replies:** 6\ **Last updated:** [October 28, 2026, 6:28pm UTC](https://developer.squareup.com/forums/t/square-production-webhooks-returning-401-signature-mismatch/28223 "2026-10-28T18:28:02Z")
All our Square Production webhooks return 401, including real payments, refunds, and test events. We’ve verified the signing key, notification URL, raw request body, and HMAC-SHA256 implementation. Everything appears co… --- ## [Square Stand reader fails with SECURE\_CONNECTION\_TO\_SQUARE\_FAILURE (Mobile Payments SDK iOS 2.7.0, production)](https://developer.squareup.com/forums/t/square-stand-reader-fails-with-secure-connection-to-square-failure-mobile-payments-sdk-ios-2-7-0-production/28361)
**Author:** [@nguyensiluc](https://developer.squareup.com/forums/u/nguyensiluc)\ **Replies:** 2\ **Last updated:** [October 28, 2026, 5:10pm UTC](https://developer.squareup.com/forums/t/square-stand-reader-fails-with-secure-connection-to-square-failure-mobile-payments-sdk-ios-2-7-0-production/28361 "2026-10-28T17:10:30Z")
My iOS app uses the Mobile Payments SDK 2.7.0 (Swift Package Manager) in production. The Square Stand’s built-in reader connected on 2026-10-27 around 21:45 Central. It stopped working after I installed Square Point of S… --- ## [Securely fixing CSP errors in iFrame widget](https://developer.squareup.com/forums/t/securely-fixing-csp-errors-in-iframe-widget/25907)
**Author:** [@JayB](https://developer.squareup.com/forums/u/JayB)\ **Replies:** 11\ **Last updated:** [October 28, 2026, 4:53pm UTC](https://developer.squareup.com/forums/t/securely-fixing-csp-errors-in-iframe-widget/25907 "2026-10-28T16:53:00Z")
I have some issues trying to clean up CSP errors when using the iFrame payment widget. NOTE: I do not want to use unsafe-inline. My current CSP default-src ‘self’; script-src ‘self’ https://sandbox.web.squarecdn.com;… --- ## [Checkout API — DeletePaymentLink race conditions and order cancellation behavior](https://developer.squareup.com/forums/t/checkout-api-deletepaymentlink-race-conditions-and-order-cancellation-behavior/28337)
**Author:** [@dextermccord90](https://developer.squareup.com/forums/u/dextermccord90)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 4:50pm UTC](https://developer.squareup.com/forums/t/checkout-api-deletepaymentlink-race-conditions-and-order-cancellation-behavior/28337 "2026-10-28T16:50:47Z")
I found an earlier Square staff response from January 30, 2023, stating that deleting a payment link while a customer has the checkout page open cancels the order and prevents payment: I also reviewed the current Chec… --- ## [Sandbox OAuth authorize page renders blank (empty #root) — app config verified correct](https://developer.squareup.com/forums/t/sandbox-oauth-authorize-page-renders-blank-empty-root-app-config-verified-correct/26738)
**Author:** [@voqua.ai](https://developer.squareup.com/forums/u/voqua.ai)\ **Replies:** 5\ **Last updated:** [October 28, 2026, 4:41pm UTC](https://developer.squareup.com/forums/t/sandbox-oauth-authorize-page-renders-blank-empty-root-app-config-verified-correct/26738 "2026-10-28T16:41:56Z")
Our sandbox OAuth authorize flow is stuck on a blank white page. Endpoint: squareupsandbox dot com/oauth2/authorize with client\_id sandbox-sq0idb-LS1d6e7fIzICamMFT9aZ-A. The page’s JS/CSS assets load successfully, but th… --- ## [Payments API policy and authorization requirements](https://developer.squareup.com/forums/t/payments-api-policy-and-authorization-requirements/28255)
**Author:** [@Donna-SweetServ](https://developer.squareup.com/forums/u/Donna-SweetServ)\ **Replies:** 3\ **Last updated:** [October 28, 2026, 4:09pm UTC](https://developer.squareup.com/forums/t/payments-api-policy-and-authorization-requirements/28255 "2026-10-28T16:09:08Z")
Hello Square Developer Support, Where can developers find the current US requirements for permitted use cases, saved-card authorization, seller-initiated payments, customer notices and record retention? We also need a … --- ## [Cash App Pay Sandbox – iPhone Safari Approval/Return Failure](https://developer.squareup.com/forums/t/cash-app-pay-sandbox-iphone-safari-approval-return-failure/28359)
**Author:** [@gillypop](https://developer.squareup.com/forums/u/gillypop)\ **Replies:** 2\ **Last updated:** [October 28, 2026, 3:10pm UTC](https://developer.squareup.com/forums/t/cash-app-pay-sandbox-iphone-safari-approval-return-failure/28359 "2026-10-28T15:10:45Z")
Hello Square Developer Support, We are experiencing a Cash App Pay sandbox integration issue with our website, “Wanna See Something Funny?”, hosted on Replit. Environment: Square Sandbox (no live payments) iPhone usi… --- ## [Prep Time from Orders API](https://developer.squareup.com/forums/t/prep-time-from-orders-api/20531)
**Author:** [@aras](https://developer.squareup.com/forums/u/aras)\ **Replies:** 8\ **Last updated:** [October 28, 2026, 2:58pm UTC](https://developer.squareup.com/forums/t/prep-time-from-orders-api/20531 "2026-10-28T14:58:25Z")
Is there any way to receive the expected pick up time for an order that was submitted to Square? For pickup order we set the fulfilment type to ASAP but based on the prep time settings is it possible for us to get the da… --- ## [Sandbox STORE challenge TypeError and monthly cancellation date mismatch](https://developer.squareup.com/forums/t/sandbox-store-challenge-typeerror-and-monthly-cancellation-date-mismatch/28325)
**Author:** [@gymindex\_app](https://developer.squareup.com/forums/u/gymindex_app)\ **Replies:** 3\ **Last updated:** [October 28, 2026, 2:29pm UTC](https://developer.squareup.com/forums/t/sandbox-store-challenge-typeerror-and-monthly-cancellation-date-mismatch/28325 "2026-10-28T14:29:18Z")
Hello Square Developer Support, We are validating a gymindex integration strictly in Sandbox, using Spain/EUR and API version 2026-09-16. Two issues remain reproducible on October 24, 2026. STORE challenge error A mi… --- ## [Square Appointments integration—booking modifiers and upfront payment matching](https://developer.squareup.com/forums/t/square-appointments-integration-booking-modifiers-and-upfront-payment-matching/28347)
**Author:** [@laundryhubbentleigh](https://developer.squareup.com/forums/u/laundryhubbentleigh)\ **Replies:** 2\ **Last updated:** [October 28, 2026, 2:25pm UTC](https://developer.squareup.com/forums/t/square-appointments-integration-booking-modifiers-and-upfront-payment-matching/28347 "2026-10-28T14:25:28Z")
Hello Square Support, We use Square Appointments for our service bookings and upfront payments, and we are developing a private web app to manage other operational workflow. Our app can import bookings and customer det… --- ## [Production Access Token Missing - Unable to Generate or Replace Token](https://developer.squareup.com/forums/t/production-access-token-missing-unable-to-generate-or-replace-token/28362)
**Author:** [@MilenioPTO](https://developer.squareup.com/forums/u/MilenioPTO)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 2:24pm UTC](https://developer.squareup.com/forums/t/production-access-token-missing-unable-to-generate-or-replace-token/28362 "2026-10-28T14:24:12Z")
Hello Square Developer Support Team, I’m requesting assistance with an issue involving the Production Access Token for our Square Developer application. Organization: Kyrene Del Milenio PTO Application: Milenio PTO – … --- ## [Hosted checkout for a custom site: Invoices created with buy\_now\_pay\_later only were never paid. Correct API for card + Cash App Pay + Apple Pay + Afterpay?](https://developer.squareup.com/forums/t/hosted-checkout-for-a-custom-site-invoices-created-with-buy-now-pay-later-only-were-never-paid-correct-api-for-card-cash-app-pay-apple-pay-afterpay/28360)
**Author:** [@seattlegoldgrills](https://developer.squareup.com/forums/u/seattlegoldgrills)\ **Replies:** 2\ **Last updated:** [October 28, 2026, 2:03pm UTC](https://developer.squareup.com/forums/t/hosted-checkout-for-a-custom-site-invoices-created-with-buy-now-pay-later-only-were-never-paid-correct-api-for-card-cash-app-pay-apple-pay-afterpay/28360 "2026-10-28T14:03:28Z")
Merchant ID: MLG8HW43EA151 (Seattle Gold Grills LLC, Renton WA) Location ID: L3MJD40D4ZZCT Environment: Production. Custom website on the Base44 platform (not Square Online or Wix), authorized via OAuth. Related suppor… --- ## [GENERIC\_DECLINED error status](https://developer.squareup.com/forums/t/generic-declined-error-status/27746)
**Author:** [@Liz](https://developer.squareup.com/forums/u/Liz)\ **Replies:** 11\ **Last updated:** [October 28, 2026, 12:32pm UTC](https://developer.squareup.com/forums/t/generic-declined-error-status/27746 "2026-10-28T12:32:48Z")
Hi! We have implemented square API into our application. The problem is that all of payments in prod are getting GENERIC\_DECLINED error status. I know that the common advice is to contact bank, so we did it, but bank ans… [Previous page](https://developer.squareup.com/forums/latest.md) [Next page](https://developer.squareup.com/forums/latest.md?page=2)