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 How to invoke IBM WebMethods Hybrid Integration - WebMethods API Gateway REST API

Mounika Nayikoti's profile image
Mounika Nayikoti posted 10/21/25 08:07 AM

Hi Team,

I wanted to understand how to invoke the IBM WebMethods Hybrid Integration - WebMethods Gateway REST API.

Do we have any REST service endpoint available for this gateway? If yes, could someone please share the API details or an example of how to call it (for example, using Postman)?

I tried exploring this through the browser’s Inspect page and noticed that some requests seem to work when a API_GW_JSESSIONID is included. However, I’m not fully clear about the authentication mechanism — is the session ID the correct way to authenticate, or is there an official token-based or key-based approach?

Would really appreciate if someone could confirm the correct way to invoke these APIs and share any relevant documentation or examples.

Thanks in advance!

Selim Calik's profile image
Selim Calik posted 11/13/25 06:15 AM

You can find the official Postman collections and the complete Swagger documentation for these APIs in our public GitHub repository. This is an excellent resource for testing and exploring the API capabilities.

Here is the direct link:
https://github.com/ibm-wm-transition/webmethods-api-gateway/tree/master/apigatewayservices

In this repository, you will find:

  • Postman Collections: Ready-to-use collections that you can import directly into Postman to start making requests.

  • OpenAPI Specifications: The detailed Swagger/OpenAPI specs for all available services.

This should provide you with everything you need to begin experimenting with the REST Admin APIs.

Best regards,

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