Hi,
I think it will incur a cost until you delete it.
Pricing per VPC endpoint per AZ ($/hour) (us-east-1) - $0.01
From https://aws.amazon.com/privatelink/pricing/
You can create AWS PrivateLink endpoints to enable private connectivity to a service that is either owned by AWS or owned by an AWS customer or partner. You will be billed for each hour that your VPC endpoint remains provisioned in each Availability Zone, irrespective of the state of its association with the service (learn more). Such hourly billing for your VPC endpoint will stop when you delete it. Hourly billing will also stop if the endpoint service owner rejects your VPC endpoint’s attachment to their service, and that service is subsequently deleted. Such VPC endpoints cannot be reused and you should delete them.
Interface endpoints allow you to connect to services powered by AWS PrivateLink. This includes a large number of AWS services. It also can include services hosted by other AWS customers, and AWS Partner Network (APN) partners in their own VPCs, By using AWS partner services through AWS PrivateLink, you no longer have to rely on access to the public internet. Data transfer charges for traffic from Amazon EC2 to the internet vary based on volume. After the first 1 GB / month ($0.00 per GB), transfers are charged at a rate of $ 0.09/GB (for AWS US-East 1 Virginia). Like gateway endpoints, interface endpoints can be secured using resource policies on the endpoint itself and the resource that the endpoint provides access to. Interface endpoints allow the use of security groups to restrict access to the endpoint.
Sri
If you create VPC Interface endpoint manually and if your application access the interface endpoint within VPC, it will cost.
Please refer to link below.
https://aws.amazon.com/privatelink/pricing/?nc1=h_ls
Thanks
Hello AWS-User-4124479, let us know if any of the answers provides solves your question. If so, please remember to click on the "Accept" button to let the community know that your question is resolved. This helps everyone. Thank you in advance.
The following blog post has relevant reference architectures and DT costs -- https://aws.amazon.com/blogs/architecture/overview-of-data-transfer-costs-for-common-architectures/
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