Thi API Gateway Resource policy troubleshooting guide is based on How API Gateway resource policy affect authorization workflow - https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-authorization-flow.html How to use this guide 1. Identify the Authorization workflow applicable for your Use case 2. Based on authorization workflow and If API is accessed from same account or cross account , refer the Table A … Continue reading API Gateway Resource Policies