Need Guidance on Best Practices for webMethods Integration with External REST APIs

Feedback & ideas
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Hi everyone,

I’m currently working on a project where we need to integrate our internal systems with multiple external REST APIs using Software AG’s webMethods Integration Server. While I have some experience with basic service development and REST consumers in webMethods, I’m looking for insights or recommendations from the community on a few fronts.

  1. Authentication and Security: What’s the best approach to handle OAuth 2.0 authentication for REST APIs in webMethods? I’ve come across the “pub.client:http” service, but I’m not sure if that’s the most secure or efficient method for token management and renewal.
  2. Error Handling and Logging: How do you structure error handling for external API failures (timeouts, 500s, invalid responses, etc.)? Are there any frameworks or reusable templates within webMethods for clean error handling and logging?
  3. Performance and Scaling: For high-volume REST API calls, what are some tuning or configuration tips you follow on Integration Server to maintain performance and avoid bottlenecks?
  4. Best Practices: Are there general best practices or architectural patterns the community follows for integrating external APIs through webMethods?

Any help, documentation pointers, or shared experiences would be highly appreciated. I’m hoping to get this integration designed in a robust and scalable way, and learning from experienced developers here would be a great help.

Thanks in advance!

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