diff --git a/consensus/posv/posv.go b/consensus/posv/posv.go
index fd6fee1e2e..4a163fb09e 100644
--- a/consensus/posv/posv.go
+++ b/consensus/posv/posv.go
@@ -819,7 +819,12 @@ func CalcDifficulty(snap *Snapshot, signer common.Address) *big.Int {
 // APIs implements consensus.Engine, returning the user facing RPC API to allow
 // controlling the signer voting.
 func (c *Posv) APIs(chain consensus.ChainReader) []rpc.API {
-	return []rpc.API{}
+	return []rpc.API{{
+		Namespace: "posv",
+		Version:   "1.0",
+		Service:   &API{chain: chain, posv: c},
+		Public:    false,
+	}}
 }
 
 func (c *Posv) RecoverSigner(header *types.Header) (common.Address, error) {
diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go
index 9d6ce8c6c8..6efca4e9aa 100644
--- a/internal/web3ext/web3ext.go
+++ b/internal/web3ext/web3ext.go
@@ -21,6 +21,7 @@ var Modules = map[string]string{
 	"admin":      Admin_JS,
 	"chequebook": Chequebook_JS,
 	"clique":     Clique_JS,
+	"posv":       Posv_JS,
 	"debug":      Debug_JS,
 	"eth":        Eth_JS,
 	"miner":      Miner_JS,
@@ -109,6 +110,43 @@ web3._extend({
 });
 `
 
+const Posv_JS = `
+web3._extend({
+	property: 'posv',
+	methods: [
+		new web3._extend.Method({
+			name: 'getSnapshot',
+			call: 'posv_getSnapshot',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'getSnapshotAtHash',
+			call: 'posv_getSnapshotAtHash',
+			params: 1
+		}),
+		new web3._extend.Method({
+			name: 'getSigners',
+			call: 'posv_getSigners',
+			params: 1,
+			inputFormatter: [null]
+		}),
+		new web3._extend.Method({
+			name: 'getSignersAtHash',
+			call: 'posv_getSignersAtHash',
+			params: 1
+		}),
+	],
+	properties: [
+		new web3._extend.Property({
+			name: 'proposals',
+			getter: 'posv_proposals'
+		}),
+	]
+});
+`
+
+
 const Admin_JS = `
 web3._extend({
 	property: 'admin',