3815120 - How do I solve the error "invalid_grant" or "Incorrect Credentials. Please Retry" when performing an API request?

This article provides a detailed checklist to resolve the "invalid_grant" error encountered during API requests. It includes steps for verifying credentials, ensuring valid authorization scopes, confirming application configuration, checking the validity of access tokens, targeting the correct authentication endpoint, and formatting the request properly. Additionally, it links to other relevant articles for creating web service applications and credentials.

By following this article, you can systematically troubleshoot and resolve the "invalid_grant" error, ensuring smooth API integration and functionality. , KBA , CON-INT , Integrations , Problem