Latest updates from the SumUp Developer changelog.https://developer.sumup.com/https://developer.sumup.com/changelog/#entry-online-payments-test-cards/https://developer.sumup.com/changelog/#entry-online-payments-test-cards/We have updated sandbox testing for Online Payments to use a dedicated set of test cards. This affects all Online Payments integrations tested with sandbox merchant accounts. Wh...Tue, 10 Mar 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-110/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-110/### New Features - Improved test capabilities for the production environment - WBC Rotation - January 2026 - The CardReadFailed -> UnexpectedOutcome error is caught, and the sys...Thu, 05 Mar 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-sdk-700/https://developer.sumup.com/changelog/#entry-android-sdk-700/[Android SDK](https://github.com/sumup/sumup-android-sdk) 7.0.0 has been [released](https://github.com/sumup/sumup-android-sdk/releases/tag/v7.0.0). **Added:** - `successScreenT...Mon, 02 Mar 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-106/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-106/### Fixes - Fixed an issue where the SecurePin Entry screen closes after the first digit is entered on Zebra TC77 and Honeywell CT45 devicesTue, 10 Feb 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-go-flat-structure/https://developer.sumup.com/changelog/#entry-sumup-go-flat-structure/We have refactored the Go SDK into a flat package structure to simplify imports and make the public API easier to discover. This is a breaking change. ### What Changed - Types a...Thu, 29 Jan 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-105/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-105/### New Features - Added clear error screens for common problems, such as attestation failures when USB debugging is turned on. ### Fixes - Fixed infinite loading when NFC is di...Wed, 21 Jan 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-java/https://developer.sumup.com/changelog/#entry-sumup-java/We are happy to announce the release of our [Java](https://www.oracle.com/java/) SDK. The SDK is maintained under [sumup/sumup-java](https://github.com/sumup/sumup-java) and cov...Sun, 11 Jan 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-dotnet/https://developer.sumup.com/changelog/#entry-sumup-dotnet/We are happy to announce the release of our [.NET](https://dotnet.microsoft.com/) SDK. The SDK is maintained under [sumup/sumup-dotnet](https://github.com/sumup/sumup-dotnet) an...Sun, 04 Jan 2026 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-cloud-api/https://developer.sumup.com/changelog/#entry-cloud-api/Today we are announcing the introduction of a new endpoint that lets you receive real-time updates from your connected card reader. You can see the current screen shown during t...Mon, 22 Dec 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-104/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-104/### Fixes - Added security improvements and bug fixes to enhance overall stability and performance of the SDK.Thu, 18 Dec 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-103/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-103/### Fixes - Added support for 16 KB page sizes.Wed, 10 Dec 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-102/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-102/### Fixes - Fixed wrong currency code in Peru.Thu, 20 Nov 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-api-trailing-slash-deprecation/https://developer.sumup.com/changelog/#entry-api-trailing-slash-deprecation/Today we are announcing the deprecation of support for API requests that include a trailing slash at the end of the URL. While our documentation has never endorsed this pattern,...Mon, 17 Nov 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-sdk-600/https://developer.sumup.com/changelog/#entry-android-sdk-600/[Android SDK](https://github.com/sumup/sumup-android-sdk) 6.0.0 has been [released](https://github.com/sumup/sumup-android-sdk/releases/tag/v6.0.0). **Offline payments** - Intro...Mon, 03 Nov 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-101/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-101/### Fixes - Decreased the SDK size by removing unused resources. - Fixed an issue where the testing SDK build would not initialize.Tue, 21 Oct 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-rs/https://developer.sumup.com/changelog/#entry-sumup-rs/We are happy to announce the release of our [Rust](https://rust-lang.org/) SDK. The SDK is maintained under [sumup/sumup-rs](https://github.com/sumup/sumup-rs) and covers all of...Mon, 13 Oct 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-100/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-100/### New Features - Added support of Online Pin SCA (Strong Customer Authentication). - Added card data to `PaymentEvent.TransactionDone` event: card type, card scheme, last four...Thu, 02 Oct 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0180/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0180/### New Features - Added Products to **TapToPay.startPayment** method. - Enabled periodic monitoring and attestation. - Now SDK uses Google Trusted Time API.Tue, 09 Sep 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0174/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0174/### Fixes - Fixed a crash that occurred when attempting to make a payment without explicitly setting `skipSuccessScreen` parameter. - Fixed a bug in Pixel 8 and Pixel 9 devices...Tue, 26 Aug 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0173/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0173/### Fixes - Fixed a bug with payment availability when using OkHttp 5.0.0 or higher.Fri, 15 Aug 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-py/https://developer.sumup.com/changelog/#entry-sumup-py/We are happy to announce the release of our [Python](https://www.python.org/) SDK. The SDK is maintained under [sumup/sumup-py](https://github.com/sumup/sumup-py) and covers all...Sat, 02 Aug 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0172/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0172/### Fixes - Miscellaneous bug and crash fixesThu, 17 Jul 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0171/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0171/### Fixes - NoBeanFoundDefinitionError exception that occurred in some cases when starting a payment - Miscellaneous bug and crash fixesTue, 15 Jul 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0170/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0170/### New Features - **Faster Transactions** – Reduced latency when initiating transactions, resulting in faster checkout. - **Mitigated Threats Filter** – Attestation now exclude...Wed, 02 Jul 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-ts/https://developer.sumup.com/changelog/#entry-sumup-ts/We are happy to announce the release of our [TypeScript](https://www.typescriptlang.org/) / [JavaScript](https://developer.mozilla.org/en-US/docs/Web/JavaScript) SDK. The SDK is...Sun, 22 Jun 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0151/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0151/### Fixes - Fixed the class duplication issue occurring after obfuscation.Wed, 11 Jun 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0152/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0152/### Fixes - Mitigated threats are now filtered out during attestation. If a threat has `"mitigated": true`, it is excluded from the threat list that is used to determine whether...Wed, 11 Jun 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-tap-to-pay-0150/https://developer.sumup.com/changelog/#entry-android-tap-to-pay-0150/### New Features - New events of the payment process: card requested, card presented, CVM requested, CVM presented - New PaymentException types ### Fixes - Cleanup PAN data from...Wed, 09 Apr 2025 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-sumup-go/https://developer.sumup.com/changelog/#entry-sumup-go/We are happy to announce the beta release of our [Go](https://go.dev/) SDK. The SDK is maintained under [sumup/sumup-go](https://github.com/sumup/sumup-go) with its acompanying...Mon, 27 Nov 2023 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-android-sdk-430/https://developer.sumup.com/changelog/#entry-android-sdk-430/[Android SDK](https://github.com/sumup/sumup-android-sdk) 4.3.0 has been [released](https://github.com/sumup/sumup-android-sdk/releases/tag/v4.3.0). **Solo USB (Beta)** The Solo...Wed, 20 Sep 2023 00:00:00 GMThttps://developer.sumup.com/changelog/#entry-woocommerce/https://developer.sumup.com/changelog/#entry-woocommerce/**New features:** - Accept payments with alternative payment methods (Follow guides for enabling in your account) - Accept card payments with installments in BR. - Accept paymen...Tue, 12 Sep 2023 00:00:00 GMT