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Browsing to this URL will redirect you to the Actionstep login page on the Sandbox. Test Actionstep systems may be setup on the Sandbox for developers wishing to see the affects of their API requests in the native system. On request, test systems and login credentials will be issued for this purpose.
Authenticating
General authorisation information can be found on the Authorization page in this guide. The endpoint however for the Sandbox server is:
https://apigo.actionsteplabsactionstepstaging.com/api/oauth/authorize
And requesting a token once authorised is:
https://api.actionstepactionstepstaging.com/api/oauth/token
Request Endpoint
The Sandbox endpoint for making resource requests with a valid token is:
https://api.actionsteplabsap-southeast-2.actionstepstaging.com/api/rest
Note that this endpoint is dynamic and is given to you as part of the Access Token. The above URL is for reference only.