ResourceManager API:

https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/ResourceManagerRest.html

NodeManager API:

https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/NodeManagerRest.html

MapReduce Application Master API:

https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/MapredAppMasterRest.html

History Server API:

https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/HistoryServerRest.html