Demo Postman

1.txt

pm.test("Status code is 200", function () {
    pm.response.to.have.status(200);
});

pm.test("Response time is less than 1sec", function () {
    pm.expect(pm.response.responseTime).to.be.below(1000);
});

pm.test("Response matches JSON schema", function () {
    const schema = {
        "type": "object",
        "required": ["id", "name", "username", "email", "address", "phone", "website", "company"],
        "properties": {
            "id": { "type": "number" },
            "name": { "type": "string" },
            "username": { "type": "string" },
            "email": { "type": "string", "format": "email" },
            "address": {
                "type": "object",
                "required": ["street", "suite", "city", "zipcode", "geo"],
                "properties": {
                    "street": { "type": "string" },
                    "suite": { "type": "string" },
                    "city": { "type": "string" },
                    "zipcode": { "type": "string" },
                    "geo": {
                        "type": "object",
                        "required": ["lat", "lng"],
                        "properties": {
                            "lat": { "type": "string" },
                            "lng": { "type": "string" }
                        }
                    }
                }
            },
            "phone": { "type": "string" },
            "website": { "type": "string" },
            "company": {
                "type": "object",
                "required": ["name", "catchPhrase", "bs"],
                "properties": {
                    "name": { "type": "string" },
                    "catchPhrase": { "type": "string" },
                    "bs": { "type": "string" }
                }
            }
        }
    };
    pm.response.to.have.jsonSchema(schema);
});