API v3 HTTP Methods and URIs

Availability of Kafka REST Proxy API v3 started in Kafka REST 6.0.0.0 on Core 6.2.0. API v3 is disabled by default. To enable API v3, set the api.v3.enable parameter in the kafka-rest.properties file to true. See Configuration Parameters.
NOTE
Kafka REST 6.0.0.0 supports API v3 and API v2 only. Kafka REST 6.0.0.0 does not support API v1.