When sending data through the RESTful API. how can data engineers make sure the payload being sent is formatted property in real time?

When sending data through the RESTful API. how can data engineers make sure the payload being sent is formatted property in real time?
A . Leveraging asynchronous validation, data engineers can review error messages for records that fail validation.
B . Leveraging synchronous validation, data engineers can review error messages for records that fail validation.
C . As long as the data matches the pre-defined SXM schema, records in the payload pass
D . All data is ingested and query services reporting identify any records that do not pass custom validation rules.

Answer: C