# Load Balancer Backend

<table><thead><tr><th data-type="content-ref">Operation</th><th>Description</th></tr></thead><tbody><tr><td><a href="load-balancer-backend/describebackends">describebackends</a></td><td>Queries the list of backend servers added to a load balancer instance.</td></tr><tr><td><a href="load-balancer-backend/registerbackend">registerbackend</a></td><td>Adds one or more backend servers to a load balance listener.</td></tr><tr><td><a href="load-balancer-backend/modifybackend">modifybackend</a></td><td>Modifies the configurations of one or more backend servers.</td></tr><tr><td><a href="load-balancer-backend/deregisterbackend">deregisterbackend</a></td><td>Removes one or more backend servers from a load balance listener.</td></tr><tr><td><a href="load-balancer-backend/describebackendhealth">describebackendhealth</a></td><td>Queries the bound backend server list of a load balancer.</td></tr></tbody></table>