diff --git a/src/rpc/api/interface.ts b/src/rpc/api/interface.ts
new file mode 100644
index 000000000000..4df21dc7ec2f
--- /dev/null
+++ b/src/rpc/api/interface.ts
@@ -0,0 +1,7 @@
+export interface IApi {
+  /**
+   * Name space for API commands
+   */
+  namespace: string;
+}
+
diff --git a/src/rpc/api/validator/interface.ts b/src/rpc/api/validator/interface.ts
index e8d232b60b7d..919c95fd7839 100644
--- a/src/rpc/api/validator/interface.ts
+++ b/src/rpc/api/validator/interface.ts
@@ -6,8 +6,9 @@ import {
   BeaconBlock, bytes, bytes32, bytes48, Fork, IndexedAttestation, number64, Shard, Slot, SyncingStatus, uint64,
   ValidatorDuty
 } from "../../../types/index";
+import {IApi} from "../interface";
 
-export interface IValidatorApi {
+export interface IValidatorApi extends IApi {
   /**
    * Requests that the BeaconNode identify information about its implementation in a format similar to a HTTP User-Agent field.
    * @returns {Promise<bytes32>} An ASCII-encoded hex string which uniquely defines the implementation of the BeaconNode and its current software version.
diff --git a/src/rpc/api/validator/validator.ts b/src/rpc/api/validator/validator.ts
index 65dd22ffec77..3a60d705f18c 100644
--- a/src/rpc/api/validator/validator.ts
+++ b/src/rpc/api/validator/validator.ts
@@ -9,11 +9,13 @@ import {OpPool} from "../../../opPool";
 import {IValidatorApi} from "./interface";
 
 export class ValidatorApi implements IValidatorApi {
+  public namespace: string;
   private chain: BeaconChain;
   private db: DB;
   private opPool: OpPool;
 
   public constructor(opts, {chain, db, opPool}) {
+    this.namespace = "validator";
     this.chain = chain;
     this.db = db;
     this.opPool = opPool;
diff --git a/src/rpc/protocol/jsonRpc.ts b/src/rpc/protocol/jsonRpc.ts
index 9abe171f8157..3b18918b5e07 100644
--- a/src/rpc/protocol/jsonRpc.ts
+++ b/src/rpc/protocol/jsonRpc.ts
@@ -28,7 +28,7 @@ export class JSONRPC {
         methods[name] = api[name].bind(api);
       }
     }
-    this.jsonRpcApi.BeaconChain.expose(methods);
+    this.jsonRpcApi[api.namespace].expose(methods);
   }
 
   public async start(): Promise<void> {
diff --git a/test/unit/rpc/jsonRpcOverHttp.test.ts b/test/unit/rpc/validator/jsonRpcOverHttp.test.ts
similarity index 81%
rename from test/unit/rpc/jsonRpcOverHttp.test.ts
rename to test/unit/rpc/validator/jsonRpcOverHttp.test.ts
index 2e17dfbab3ee..28bb95f93e1a 100644
--- a/test/unit/rpc/jsonRpcOverHttp.test.ts
+++ b/test/unit/rpc/validator/jsonRpcOverHttp.test.ts
@@ -1,10 +1,10 @@
 import {assert} from "chai";
 import * as request from "supertest";
-import {JSONRPC} from "../../../src/rpc";
-import {MockValidatorApi} from "../../utils/mocks/rpc/validator";
-import HttpServer from "../../../src/rpc/transport/http";
-import {generateRPCCall} from "../../utils/rpcCall";
-import logger from "../../../src/logger/winston";
+import {JSONRPC} from "../../../../src/rpc/index";
+import {MockValidatorApi} from "../../../utils/mocks/rpc/validator";
+import HttpServer from "../../../../src/rpc/transport/http";
+import {generateRPCCall} from "../../../utils/rpcCall";
+import logger from "../../../../src/logger/winston";
 
 describe("Json RPC over http", () => {
     let rpc;
@@ -20,10 +20,10 @@ describe("Json RPC over http", () => {
         await rpc.stop();
         logger.silent(false);
     });
-    it("should get the chain head", (done) => {
+    it("should get the version", (done) => {
         request.default(server)
             .post('/')
-            .send(generateRPCCall('BeaconChain.getFork', []))
+            .send(generateRPCCall('validator.getFork', []))
             .set('Accept', 'application/json')
             .expect('Content-Type', /json/)
             .expect(200)
@@ -38,7 +38,7 @@ describe("Json RPC over http", () => {
     it("should fail for unknown methods", (done) => {
         request.default(server)
             .post('/')
-            .send(generateRPCCall('BeaconChain.notExistingMethod', []))
+            .send(generateRPCCall('validator.notExistingMethod', []))
             .set('Accept', 'application/json')
             .expect('Content-Type', /json/)
             .expect(200)
diff --git a/test/unit/rpc/jsonRpcOverWs.test.ts b/test/unit/rpc/validator/jsonRpcOverWs.test.ts
similarity index 50%
rename from test/unit/rpc/jsonRpcOverWs.test.ts
rename to test/unit/rpc/validator/jsonRpcOverWs.test.ts
index 85f20df971f1..152bdc1a6e68 100644
--- a/test/unit/rpc/jsonRpcOverWs.test.ts
+++ b/test/unit/rpc/validator/jsonRpcOverWs.test.ts
@@ -1,16 +1,16 @@
 import { assert } from "chai";
 import * as jsonRpc from "noice-json-rpc";
 import Websocket from "ws";
-import {JSONRPC, IValidatorApi, WSServer} from "../../../src/rpc";
-import { generateEmptyBlock } from "../../utils/block";
-import {MockValidatorApi} from "../../utils/mocks/rpc/validator";
-import { generateEmptyAttestation } from "../../utils/attestation";
+import {JSONRPC, IValidatorApi, WSServer} from "../../../../src/rpc/index";
+import { generateEmptyBlock } from "../../../utils/block";
+import {MockValidatorApi} from "../../../utils/mocks/rpc/validator";
+import { generateEmptyAttestation } from "../../../utils/attestation";
 
 describe("Json RPC over WS", () => {
   const rpc = new JSONRPC({}, {transport: new WSServer({port: 32420}), api: new MockValidatorApi()});
   let client;
   let ws;
-  let clientApi: {BeaconChain: IValidatorApi};
+  let clientApi: {validator: IValidatorApi};
   before(async () => {
     await rpc.start();
     ws = new Websocket("ws://localhost:32420");
@@ -20,45 +20,45 @@ describe("Json RPC over WS", () => {
   after(async () => {
     await rpc.stop();
   });
-  it("should get the chain version", async () => {
-    const head = await clientApi.BeaconChain.getClientVersion();
-    assert.ok(head);
+  it("should get the client version", async () => {
+    const version = await clientApi.validator.getClientVersion();
+    assert.ok(version);
   });
   it("should get the fork version", async () => {
-    const attestations = await clientApi.BeaconChain.getFork();
-    assert.ok(attestations);
+    const fork = await clientApi.validator.getFork();
+    assert.ok(fork);
   });
   it("should get the genesis time", async () => {
-    const deposits = await clientApi.BeaconChain.getGenesisTime();
-    assert.ok(deposits);
+    const time = await clientApi.validator.getGenesisTime();
+    assert.ok(time);
   });
   it("should get the sync status", async () => {
-    const eth1Data = await clientApi.BeaconChain.getSyncingStatus();
-    assert.ok(eth1Data);
+    const status = await clientApi.validator.getSyncingStatus();
+    assert.ok(status);
   });
   it("should get validator duties", async () => {
-    const root = await clientApi.BeaconChain.getDuties(Buffer.alloc(48));
-    assert.ok(root);
+    const duties = await clientApi.validator.getDuties(Buffer.alloc(48));
+    assert.ok(duties);
   });
   it("should produce a block for the validator", async () => {
-    const data = await clientApi.BeaconChain.produceBlock(0, Buffer.alloc(0));
-    assert.ok(data);
+    const block = await clientApi.validator.produceBlock(0, Buffer.alloc(0));
+    assert.ok(block);
   });
   it("should produce an attestation", async () => {
-    await clientApi.BeaconChain.produceAttestation(0,1);
+    await clientApi.validator.produceAttestation(0,1);
     assert.ok(true);
   });
   it("should accept an attestation submission", async () => {
-    await clientApi.BeaconChain.publishAttestation(generateEmptyAttestation());
+    await clientApi.validator.publishAttestation(generateEmptyAttestation());
     assert.ok(true);
   });
   it("should accept a block submission", async () => {
-    await clientApi.BeaconChain.publishBlock(generateEmptyBlock());
+    await clientApi.validator.publishBlock(generateEmptyBlock());
     assert.ok(true);
   });
   it("should fail for unknown methods", async () => {
     try {
-      await (clientApi.BeaconChain as any).foo();
+      await (clientApi.validator as any).foo();
       assert.fail('Unknown/undefined method should fail');
     } catch (e) {}
   })
diff --git a/test/utils/mocks/rpc/validator.ts b/test/utils/mocks/rpc/validator.ts
index 58e52bbd8453..0ee4bf1f2996 100644
--- a/test/utils/mocks/rpc/validator.ts
+++ b/test/utils/mocks/rpc/validator.ts
@@ -17,12 +17,14 @@ export interface MockAPIOpts {
 }
 
 export class MockValidatorApi implements IValidatorApi {
+  public namespace: string;
   private version: bytes32;
   private fork: Fork;
   private chainId: number64;
   private attestations;
   private head: BeaconBlock;
   public constructor(opts?: MockAPIOpts) {
+    this.namespace = "validator";
     this.attestations = opts && opts.pendingAttestations || [];
     this.head = opts && opts.head || getEmptyBlock();
     this.version = opts && opts.version || Buffer.alloc(0);