Encountering the authorization grant type is not supported by the authorization server can be a perplexing challenge, but fret not, here's a comprehensive guide to help you troubleshoot and resolve the issue efficiently.
Prerequisite
1. API Documentation Review:
Start by revisiting the API documentation. Ensure that you are well-acquainted with the expected response format, including the structure and presence of key objects. This step provides a baseline for identifying discrepancies.
2. Verify API Call Parameters:
Check your API call parameters against the documentation. Confirm that you are sending the correct data and that all required parameters are included. Misconfigurations here can lead to unexpected results.
How to solve it:
#1 Hint
Issue description:
The refresh token is invalid
Reason:
The refresh token is invalid
How to solve it:
You can initiate the OAuth2 again by reactivating the app on the merchant dashboard or contact support for more help
make sure you don’t use it more than once because it’s on-time use and its expiration is 1 year.
Need a further help?
connect with us via chat support and share the cURL command. This will enable us to conduct a more in-depth analysis and provide thorough support.
