The Service Allowlist Management API allows you to explicitly grant access to specific IP addresses and/or CIDR notations for logins, APIs, and dashboard access.
Refer to Getting Started for Sumo Logic API Authentication, Endpoints, and Security.
Sumo Logic has several deployment types, which vary by geographic location and the date an account is created. Select the documentation link below that corresponds to your deployment. If you're not sure, see How to determine your endpoint.