How can I create an API key in the Sandbox environment?
To use rally web service of Sandbox environment, we need an API Key to validate our request.
We have used below link to generate Key in PROD environment:
But in sandbox similar URL is not working, it is giving page not found error.
Unfortunately API keys are not supported in the Sandbox environment. In order to access and modify data in the Sandbox environment via the API a security token must be used. The tech article found here has some information that may help How to create and update an artifact in sandbox via WS API
There are some other differences between the Sandbox and the Production environment. If you're interested you can find more information about them here Differences Between CA Agile Central's Sandbox and Production Environments