This SNOW-CAD practice question tests your understanding of platform features and integration. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO of the following are valid authentication options for a Scripted REST API in ServiceNow?
JWT
Why wrong: JWT is not directly supported as an authentication type for Scripted REST APIs.
Basic Auth
Basic Auth is a supported authentication option for Scripted REST APIs.
API Key
Why wrong: API Key is not a built-in authentication option; it would require custom implementation.
SAML 2.0
Why wrong: SAML is used for SSO, not for REST API authentication.
OAuth 2.0
OAuth 2.0 is a supported authentication option for Scripted REST APIs.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Basic Auth
Basic Auth is a valid authentication option for Scripted REST APIs in ServiceNow because it allows the API to authenticate requests using a username and password pair encoded in the Authorization header. ServiceNow natively supports Basic Auth for inbound REST calls, making it a straightforward choice for legacy or simple integrations.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
JWT
Why it's wrong here
JWT is not directly supported as an authentication type for Scripted REST APIs.
Basic Auth
Why this is correct
Basic Auth is a supported authentication option for Scripted REST APIs.
Related concept
Read the scenario before looking for a memorised answer.
API Key
Why it's wrong here
API Key is not a built-in authentication option; it would require custom implementation.
SAML 2.0
Why it's wrong here
SAML is used for SSO, not for REST API authentication.
OAuth 2.0
Why this is correct
OAuth 2.0 is a supported authentication option for Scripted REST APIs.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
ServiceNow often tests the misconception that JWT or API Key are native authentication options for Scripted REST APIs, when in fact ServiceNow only supports Basic Auth and OAuth 2.0 as built-in choices for this specific API type.
Detailed technical explanation
ServiceNow Scripted REST APIs support Basic Auth and OAuth 2.0 as built-in authentication mechanisms. Basic Auth sends credentials in base64-encoded format over HTTPS, while OAuth 2.0 uses token-based authorization, often leveraging the client credentials grant type for server-to-server communication. Under the hood, ServiceNow validates these credentials against the user table or OAuth provider configuration, and the API's 'Requires authentication' property must be enabled for these methods to work.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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FAQ
Platform Features and Integration — This question tests Platform Features and Integration — Read the scenario before looking for a memorised answer..
The correct answer is: Basic Auth — Basic Auth is a valid authentication option for Scripted REST APIs in ServiceNow because it allows the API to authenticate requests using a username and password pair encoded in the Authorization header. ServiceNow natively supports Basic Auth for inbound REST calls, making it a straightforward choice for legacy or simple integrations.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This SNOW-CAD practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CAD exam.
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