invoke API gateway by its domain name

user_1551870 0
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I have an api gateway with custom domain names set up, it works fine if I visit the custom domain name but if I visit the API Gateway domain name (https://xxxxx.execute-api.us-west-2.amazonaws.com) directly I just got:

{"message":"Forbidden"}

My understanding is that custom domain name here is just like an alias to the original API Gateway domain name and is just a prettier name for it so I should be invoking the api gateway by either of them?enter image description here

aws-api-gateway
1 Answers

API Gateway REST can be invoked in two different ways.

  • Directly with execute api invoke URL suffixed by stage name.

Example: https://ab11cde222.execute-api.us-east-1.amazonaws.com/dev , where ab11cde222 is api id and dev is stage name.

  • Custom Domain: Adding a custom domain with in API Gateway and API mapping pointing to a particular stage and a route53 A record entry for hosted zone.

Since we can point the domain directly to a stage in api mappings, we don't have to suffix stage name when we use direct domain name.

enter image description here

There are many reasons why {"message":"Forbidden"} can occur as listed here, every reason either points to a call of an invalid/non-existent api or missing/invalid keys. Since the direct domain name is working fine, it seems like missing stage name suffix is most probable cause.

user_101868080
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