In need to authenticate using a not-supported OAuth Flow in Salesforce? No need to hardcode passwords in code or setup! This article explains in details how to securely support unsupported OAuth Flows, while giving a hint on how to allow debugging of your custom Auth Provider.

Are you still requiring Outbound Messages for your implementation? Be aware of the Acknowledgement being responded and keep track of NotificationId to prevent a message overload.

Did you know Salesforce has limited the status codes which can be returned in a HTTP Response? This article lists the missing ones and elaborates on how to resolve this.