How to configure aws lambda to send api requests with ip address

Question

Recently I am trying to use api for trading without much knowing about the theories. And successfully create a working function and deployed it in aws lambda . Now I am trying some another exchanges and their api creation forms have place for ip address .

I tried searching on internet about this, but did not find anything. I think the request need to send from the ip address.

Can someone tell me how to tackle this problem. Can I simply change something in lambda and do the thing??

@Marcin I setup everything from this article. Now I have some questions. 1. How to check if my function always send via exact ip?? 2. My lambda already have a api gateway trigger, can I add another events trigger?? 3. To create another lambda do I need to create another vpc or can I use this vpc and eip??? — Ayan Bhunia
– Ayan Bhunia, Commented Apr 22, 2021 at 14:22

Marcin · Accepted Answer · 2021-04-17 22:12:18Z

2

Can I simply change something in lambda and do the thing??

You have to setup a VPC with private subnet and a NAT gateway in a public subnet if you don't have such VPC already. Then you associate your lambda function with the private subnet.

This way your lambda function will access the external api using the NAT. The good thing about NAT is that it has static public IP which you can whitelist at your API provider.

answered Apr 17, 2021 at 22:12

Marcin

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