How to Update from API v1 to v2

Introduction

This guide provides detailed instructions on how to update your integration from Symmetry API version 1 (v1) to version 2 (v2). It is important to follow these steps carefully to ensure your payroll tax calculations and compliance workflows continue uninterrupted and leverage the latest features and security enhancements.

Review the API Changelog

Start by reviewing the Symmetry API changelog, which details all breaking changes, deprecated endpoints, new features, and updates in API v2. This will help you understand the impact on your existing integration and plan your updates accordingly. The changelog is available at [insert link to API changelog].

Update Your Integration Code

Modify your integration code to comply with the new v2 requirements:

• Use v2 API base URLs and endpoints as specified in the changelog.
• Update request payloads and response handling to match the new data formats (JSON/XML/CSV) if applicable.
• Implement new or changed authentication methods, including obtaining updated API keys or tokens if required.
• Adapt to new or modified HTTP headers and query parameters needed for v2.

Test in Sandbox Environment

Before deploying changes to production, thoroughly test your updated integration in the Symmetry sandbox (test environment). This allows you to validate API calls without affecting live payroll data. Ensure you:

• Verify authentication processes work as expected.
• Confirm tax calculations and responses match expectations.
• Test handling of pagination and error responses in v2.
• Ensure withholding forms and Payroll Point geocoding function correctly with the new API.

Deploy to Production

Once all testing is successful, deploy your changes to the production environment. Monitor your integration closely for any issues and be prepared to rollback if critical errors occur. Remember to update your documentation and notify your team of the changes.

Additional Resources

• Symmetry API v2 documentation: [insert link]
• Developer support portal: [insert link]
• Symmetry API changelog: [insert link]

Contact Support

If you encounter any issues during the upgrade process or need further assistance, please contact Symmetry support at [insert support contact information]. Our team is ready to help ensure a smooth transition to API v2.