API usage instructions

Last Updated: Feb 10, 2017

Before calling the Auto Scaling Open API, you need to activate Auto Scaling at Alibaba Cloud website, and authorize your Auto Scaling to access Open API on the Auto Scaling console (based on Alibaba Cloud Resource Access Management [RAM], Auto Scaling uses ECS Open API to replace the ECS instance resources). Errors will occur in case of any inconformity:

Error Error Code Description HTTP Status Code
Auto Scaling is not activated and thus the API cannot be called. Forbidden.Unsubscribed Do not have permission to access this API. 403
You have not fully authorized Open API to Auto Scaling. Forbidden.Unauthorized A required authorization for the specified action is not supplied. 403
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