diff --git a/CHANGELOG.md b/CHANGELOG.md
index ed21119f5ac61..aaf6c79069d61 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -56,7 +56,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 ### API Breaking Changes
 * (client/tx) [\#9421](https://github.com/cosmos/cosmos-sdk/pull/9421/) `BuildUnsignedTx`, `BuildSimTx`, `PrintUnsignedStdTx` functions are moved to
   the Tx Factory as methods.
-  
+
+### Client Breaking Changes
+* [\#10041](https://github.com/cosmos/cosmos-sdk/pull/10041) Remove broadcast & encode legacy REST endpoints. Please see the [REST Endpoints Migration guide](https://docs.cosmos.network/master/migrations/rest.html) to migrate to the new REST endpoints.
+
 ## [v0.43.0](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.43.0) - 2021-08-10
 
 ### Features
diff --git a/x/auth/client/rest/rest.go b/x/auth/client/rest/rest.go
new file mode 100644
index 0000000000000..03b7564acef00
--- /dev/null
+++ b/x/auth/client/rest/rest.go
@@ -0,0 +1,34 @@
+package rest
+
+import (
+	"github.com/gorilla/mux"
+
+	"github.com/cosmos/cosmos-sdk/client"
+	"github.com/cosmos/cosmos-sdk/client/rest"
+)
+
+// REST query and parameter values
+const (
+	MethodGet = "GET"
+)
+
+// RegisterRoutes registers the auth module REST routes.
+func RegisterRoutes(clientCtx client.Context, rtr *mux.Router, storeName string) {
+	r := rest.WithHTTPDeprecationHeaders(rtr)
+	r.HandleFunc(
+		"/auth/accounts/{address}", QueryAccountRequestHandlerFn(storeName, clientCtx),
+	).Methods(MethodGet)
+
+	r.HandleFunc(
+		"/auth/params",
+		queryParamsHandler(clientCtx),
+	).Methods(MethodGet)
+}
+
+// RegisterTxRoutes registers all transaction routes on the provided router.
+func RegisterTxRoutes(clientCtx client.Context, rtr *mux.Router) {
+	r := rest.WithHTTPDeprecationHeaders(rtr)
+	r.HandleFunc("/txs/{hash}", QueryTxRequestHandlerFn(clientCtx)).Methods("GET")
+	r.HandleFunc("/txs", QueryTxsRequestHandlerFn(clientCtx)).Methods("GET")
+	r.HandleFunc("/txs/decode", DecodeTxRequestHandlerFn(clientCtx)).Methods("POST")
+}