How to allow a Lambda that is inside a private VPC to make a GET request to a Regional API in API Gateway

Question

I have a lambda that needs to be inside a private subnet in the VPC so that it can connect to a Neptune database, but by doing it I can't make a GET request from a Regional API from my API gateway, from the research I made it seems like I need to set a NAT Gateway to connect to a public subnet in order to be able to make the GET request that I need to do.

I'm asking this question to make sure that what I need to do is set up a NAT Gateway, and if so what would be the best way to do that, [is this a good guide on how to do it?](https://www.datanextsolutions.com/blog/using-nat-gateways-in-aws/)

If setting up a NAT Gateway isn't the best way to resolve my issues, what would be?

Thanks in advance

Accepted Answer

If you want to grant internet access to your AWS Lambda function in a VPC *(private subnet)*, set up a NAT gateway. Here is a great [step-by-step guide](https://repost.aws/knowledge-center/internet-access-lambda-function).

Answer

HI, tomsantos. To avoid problems with missing something important please use official documentation about how to setup a nat gateway like https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html. Also please use this documentation https://docs.aws.amazon.com/lambda/latest/dg/services-apigateway.html to correctly setup lambda with API gateway. 
Best regards, Andrii

Answer

Hello. Could you please accept the answer if it helps you? Best regards, Andrii

How to allow a Lambda that is inside a private VPC to make a GET request to a Regional API in API Gateway

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