What is a RAML parameter and how is it used?

• A. RAML parameters specify deployment regions and quotas.
• B. RAML defines path, query, header parameters with types and required flags; used to validate and document API requests.
• C. RAML parameters define security policies only.
• D. RAML parameters describe response payload structure.

Answer: (B)

RAML parameters describe the inputs an API accepts. They cover the different ways a client can pass data to an API endpoint: path parameters that are part of the URL, query parameters in the query string, and header parameters sent in HTTP headers. Each parameter is defined with a name, a data type (like string, number, boolean), and whether it is required, along with optional details such as a description, allowed values, and default values. These definitions are used to validate incoming requests against the API contract and to generate clear documentation that shows what values are expected for each endpoint. They aren’t about deployment regions or quotas, nor are they solely about security policies or response payload structure.