1. Go to AWS API Gateway console.
2. In the left sidebar,
3. In the Choose a VPC link version section, select VPC link for REST APIs.
4. In the VPC link details section,
vpc-link-nlb
.5. Scroll down to the bottom, click Create.
6. It may take some time to create a VPC link. Make a note of the VPC Link ID when it has been created.