I'm calling a service via a request to Azure APIM and I just received a 403 response with the following error message: "Out of call volume quota. Quota will be replenished in 00:40:14." How can I update APIM or Azure in general to workaround this constraint?
Use an API management key (product subscription). Without the key you fall into the "Starter" product, which has a call volume quota.
https://azure.microsoft.com/nl-nl/documentation/articles/api-management-howto-product-with-rules/
The other way is to increase the quota, go to the policies on APIM and select "Starter", there should be a call rate quota in there.
来源：https://stackoverflow.com/questions/35281330/how-to-increase-call-volume-quota-for-azure-apim