Salesforce JavaScript Developer Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

To make an API call from a Lightning Web Component (LWC), having a valid connected app and consumer key is essential. This is because the connected app acts as an intermediary that facilitates secure interactions between your LWC and external APIs. It is responsible for managing the OAuth authentication process, allowing your application to authenticate and gain authorization to call the API on behalf of users.

A consumer key generated by the connected app uniquely identifies your application and is necessary for making secure API calls. This key, along with a consumer secret, is used in the OAuth flow to obtain access tokens, which are critical for accessing the API resources. By ensuring that your LWC has a valid connected app and consumer key, you're establishing the necessary security protocols that enable safe and effective communication with external servers.

Other options relate to different aspects of platform configuration or user permissions, which do not directly address the requirement for securing API calls through authentication and authorization mechanisms provided by connected apps.