Support for Existing WSDL Versions
At any time, the six latest endpoints are supported. For example, with the 2025.1 endpoint generally available, the following WSDL versions are supported:
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2025.1
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2024.2
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2024.1
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2023.2
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2023.1
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2022.2
If you use an older version, you should upgrade to the latest WSDL version.
NetSuite also makes the eight additional endpoint versions from the previous four years available without support. This means that the following eight endpoints are still accessible, in addition to the fully supported ones listed above:
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2022.1
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2021.2
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2021.1
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2020.2
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2020.1
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2019.2
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2019.1
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2018.2
After your NetSuite implementation is upgraded to a newer version, retired endpoints are not available anymore.
Keep the following points in mind when planning to upgrade to a newer endpoint:
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When you upgrade to a new version, support ends for the oldest supported endpoint, and the oldest available endpoint is retired.
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Upgrade to a newer endpoint when your WSDL is retired, or your integrations will stop working because the old endpoint will be unavailable.