What does the REST API allow you to access regarding Salesforce object metadata?

The REST API provides a robust mechanism for interacting with Salesforce data and metadata. When it comes to object metadata, the API allows access to object definitions as well as standard field information, which encompasses details about the structure of objects—such as their names, data types, and relationships—along with the fields available in those objects.

This capability is essential for developers and administrators who need to understand how to manipulate and interact with Salesforce data programmatically. By retrieving object definitions and standard field information, users can build integrations that are aware of the underlying data structure in Salesforce, making for more effective data queries and manipulation.

Accessing only the schema of the object would limit the scope of interaction, as it would not include important contextual information tied to the fields. Similarly, internal settings and custom configurations relate to aspects that are typically not exposed through standard API calls. Understanding and interpreting object definitions and standard field data is crucial for any integrations being built, making option B the most comprehensive and useful in the context of accessing Salesforce object metadata via the REST API.