cognito-idp:SignUp is a Write access-level action in the cognito-idp service. Grants permission to register the user in the specified user pool and creates a user name, password, and user attributes
This action does not support resource-level permissions; use "Resource": "*" in your policy.
No condition keys are documented for this action.
A minimal policy that allows cognito-idp:SignUp. Replace "Resource": "*" with a specific ARN to follow least privilege.
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "AllowCognitoidpSignUp",
"Effect": "Allow",
"Action": "cognito-idp:SignUp",
"Resource": "*"
}
]
}