Streamlining ISO 20022 Testing: 7 Hints and Tips for Testers and Project Managers

Curiosity Software
3 min readAug 31, 2023


As the financial industry transitions to ISO 20022, testers and project managers play a critical role in ensuring a successful migration. To help you navigate the complexities of ISO 20022 testing, we have compiled 7 valuable hints and tips. These insights will enable you to streamline your testing process, enhance efficiency, and deliver a seamless transition.

Discover how you can fix your ISO 20022 migration in 30 days by registering for Curiosity’s and DevOpsQA’s upcoming live webinar: Generate Tests and Data for ISO 200022 — Rapid Compliance Without Bugs! Sign-up today for live and on-demand access on the 7th of September at 2pm BST!

1. Understand the ISO 20022 Standard:

Familiarize yourself with the ISO 20022 standard, its message formats, and data structures. Gain a deep understanding of the specific message flows relevant to your organization. This knowledge will enable you to identify potential pitfalls and design comprehensive test cases that cover all necessary scenarios.

2. Automated Testing Tools:

Utilize automated testing tools to increase the efficiency and accuracy of your ISO 20022 testing. Automation can handle repetitive tasks such as message validation, data transformation, and regression testing. By automating these processes, you can save time, reduce errors, and focus on more complex testing scenarios. Select a tool that aligns with your organization’s needs and provides comprehensive support for ISO 20022 standards.

3. Invest in a training course

Which is specifically geared to ISO 20022 methodology and how to test successfully.

4. Invest in a modelling tool

Which will allow you to model and generate test cases and data.

5. Collaborate with Business and IT Teams:

Effective communication and collaboration between testers, project managers, and business and IT teams are crucial. Engage in regular discussions to align on testing requirements, test environment setup, and expected outcomes. This collaboration will ensure that all stakeholders have a shared understanding of the testing objectives and facilitate efficient issue resolution.

6. Develop a Robust Test Strategy:

Create a well-defined test strategy tailored to your ISO 20022 migration project. Outline the scope of testing, including functional, non-functional, and end-to-end testing requirements. Define clear test objectives, success criteria, and key performance indicators (KPIs). A robust test strategy will guide your testing efforts and help measure the effectiveness of your tests.

7. Perform Comprehensive End-to-End Testing:

ISO 20022 migration involves multiple systems and interfaces. Conduct thorough end-to-end testing to validate message flows across all involved components. Test data transformation, message routing, and integration points to ensure seamless interoperability. Pay close attention to error handling, exception scenarios, and reconciliation processes. Comprehensive end-to-end testing will mitigate risks and uncover any potential issues before the actual migration.

Streamline your ISO 20022 Testing!

By following these hints and tips, testers and project managers can effectively test ISO 20022 and contribute to a successful migration. Remember to stay updated with the latest industry practices, collaborate closely with stakeholders, and leverage automation tools.

With a well-structured test strategy and thorough end-to-end testing, you can ensure a seamless transition to ISO 20022 and enable your organization to thrive in the evolving financial landscape.

Want to learn more? Join Curiosity and DevOpsQA on the 7th of September at 2pm BST for our upcoming live webinar, Generate Tests and Data for ISO 20022 — Rapid Compliance Without Bugs!

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