If you're experiencing issues accessing the API reference site, try the following:
- Use a different browser.
- Disable all browser extensions.
- Disconnect from any active virtual private networks (VPNs).
- Clear your browser cache.
- Contact your internet service provider (ISP) and ask them to clear the cached site on their end.
If the issue persists, contact your account manager or support@checkout.com with details of the error and the troubleshooting steps you've tried.