Hi @keerthana
REST APIs use three credential types:
- API Key: A unique code provided by the REST API to identify the calling application or user.
- Basic Authentication: A user name and password combination used to authenticate to the REST API.
- OAuth 2.0: An authentication provider provides a secret and uses that information to grant access to a resource. OAuth is beyond the scope of this training module.
https://developer.servicenow.com/dev.do#!/learn/learning-plans/washingtondc/servicenow_application_d...
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Regards
Dr. Atul G. - Learn N Grow Together
ServiceNow Techno - Functional Trainer
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