{ "request": { "method": "POST", "url": "https://api.statsig.com/v1/check_gate", "headers": { "Content-Type": "application/json", "statsig-api-key": "secret-your-server-secret-key" }, "body": { "user": { "userID": "user-123", "email": "alice@example.com", "country": "US", "appVersion": "2.5.1", "custom": { "plan": "premium", "company": "acme-corp" } }, "gateName": "new_checkout_flow" } }, "response": { "status": 200, "body": { "name": "new_checkout_flow", "value": true, "rule_id": "targeted_premium_users", "group_name": "Premium Users" } } }