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UPS API Access Key Deprecation in X-Cart 4

On June 5, 2023 UPS began the sunset process for access key authentication in favor of the more secure OAuth 2.0 model for all APIs. This change impacts all API integrations and requires updates to your existing application interface. If your integration is managed by a 3rd party, please contact the provider. The migration guide linked below can help answer questions about the transition from access keys to OAuth 2.0

Beginning June 3, 2024, access keys will no longer be supported for authentication

This impacts X-Cart 4 users who are using UPS for their shipping methods.

Please contact us if you need help updating.