diff --git a/packages/api/src/types/augment/rpc.ts b/packages/api/src/types/augment/rpc.ts
index 9d54a1a020..e9bcf64f3a 100644
--- a/packages/api/src/types/augment/rpc.ts
+++ b/packages/api/src/types/augment/rpc.ts
@@ -3,7 +3,7 @@
 
 import { AnyNumber, Codec, IExtrinsic } from '@polkadot/types/types';
 import { Option, Vec } from '@polkadot/types/codec';
-import { Bytes, H256, StorageData, StorageKey, Text, u32, u64 } from '@polkadot/types/primitive';
+import { Bytes, H256, StorageData, StorageKey, Text, bool, u32, u64 } from '@polkadot/types/primitive';
 import { Metadata } from '@polkadot/types';
 import { AccountId, BlockNumber, Extrinsic, Hash, Header, Index, SignedBlock } from '@polkadot/types/interfaces/runtime';
 import { ContractCallRequest, ContractExecResult } from '@polkadot/types/interfaces/contracts';
@@ -19,6 +19,14 @@ declare module '@polkadot/rpc-core/types.jsonrpc' {
       nextIndex(accountId: AccountId | string | Uint8Array): Observable<Index>;
     };
     author: {
+      /**
+       * Returns true if the keystore has private keys for the given public key and key type.
+       **/
+      hasKey(publicKey: Bytes | string | Uint8Array, keyType: Text | string): Observable<bool>;
+      /**
+       * Returns true if the keystore has private keys for the given session public keys.
+       **/
+      hasSessionKeys(sessionKeys: Bytes | string | Uint8Array): Observable<bool>;
       /**
        * Insert a key into the keystore.
        **/
diff --git a/packages/type-jsonrpc/src/author.ts b/packages/type-jsonrpc/src/author.ts
index faaea6f7ef..f0d010b55e 100644
--- a/packages/type-jsonrpc/src/author.ts
+++ b/packages/type-jsonrpc/src/author.ts
@@ -7,6 +7,23 @@ import { RpcMethodOpt } from './types';
 import createMethod from './create/method';
 import createParam from './create/param';
 
+const hasKey: RpcMethodOpt = {
+  description: 'Returns true if the keystore has private keys for the given public key and key type.',
+  params: [
+    createParam('publicKey', 'Bytes'),
+    createParam('keyType', 'Text')
+  ],
+  type: 'bool'
+};
+
+const hasSessionKeys: RpcMethodOpt = {
+  description: 'Returns true if the keystore has private keys for the given session public keys.',
+  params: [
+    createParam('sessionKeys', 'Bytes')
+  ],
+  type: 'bool'
+};
+
 const removeExtrinsic: RpcMethodOpt = {
   description: 'Remove given extrinsic from the pool and temporarily ban it to prevent reimporting',
   params: [
@@ -71,6 +88,8 @@ export default {
   description: 'Authoring of network items',
   section,
   methods: {
+    hasKey: createMethod(section, 'hasKey', hasKey),
+    hasSessionKeys: createMethod(section, 'hasSessionKeys', hasSessionKeys),
     insertKey: createMethod(section, 'insertKey', insertKey),
     removeExtrinsic: createMethod(section, 'removeExtrinsic', removeExtrinsic),
     rotateKeys: createMethod(section, 'rotateKeys', rotateKeys),