To ingrate any system we need at least the below details:

1. Type of Integration – Inbound/Outbound
2. Endpoint – https://snowexpertrohit.com/v2
3. Authentication – Basic/Oauth
4. Method – Get,Put or Post
5. Header – Content-Type:application/json
6. Query Parameter or Data
7. Mid Server Required

Example :

curl "https://<instance>.service-now.com/api/now/table/incident?sysparm_limit=1"
--request GET
--header "Accept:application/json"
--user 'admin':'admin'