How can I find the arn of an api gateway stage?

I finally found the format for an api gateway stage at aws docs for set up tags via the API Gateway REST API.

The format for the ARN is arn:aws:apigateway:{region}::/restapis/{rest_api_id}/stages/{stage_name}

At the very bottom there are samples for different APIGW artifacts, last one is stage.

arn:aws:apigateway:region::/restapis/api-id/stages/stage-name

https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-control-access-using-iam-policies-to-create-and-manage-api.html