diff --git a/README.md b/README.md
index 09921c3..7e5f361 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,14 @@ const params: GetCandleStickRequest = {
 const res = await publicApi.getCandlestick(params);
 ```
 
+##### getCircuitBreakInfo
+```typescript
+const params: GetCircuitBreakInfoRequest = {
+    pair: 'btc_jpy', 			// required
+};
+const res = await publicApi.getCircuitBreakInfo(params);
+```
+
 ### PrivateAPI
 PrivateAPIの初期化にはPrivateApiConfigが必要になります。
 
@@ -145,7 +153,7 @@ const params: OrderRequest = {
   price: 1000,						// optional
   side: 'buy',						// required
   type: 'market',					// required
-  post_only: false,					// optional
+  post_only: false,					// optional. Except for circuit_break_info.mode is NONE, this parm is ignored.
 };
 const res = await privateApi.postOrder(params);
 ```
diff --git a/package.json b/package.json
index 6ac07e0..34ad20b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "node-bitbankcc",
-  "version": "3.1.0",
+  "version": "3.2.0",
   "description": "node-bitbankcc",
   "repository": {
     "type": "git",
diff --git a/src/lib/public-api.test.ts b/src/lib/public-api.test.ts
index 51e6762..08717b3 100644
--- a/src/lib/public-api.test.ts
+++ b/src/lib/public-api.test.ts
@@ -1,6 +1,12 @@
 import * as assert from 'power-assert';
 import { PublicApi } from './public-api';
-import { GetCandleStickRequest, GetDepthRequest, GetTickerRequest, GetTransactionsRequest } from './requestType';
+import {
+  GetCandleStickRequest,
+  GetCircuitBreakInfoRequest,
+  GetDepthRequest,
+  GetTickerRequest,
+  GetTransactionsRequest,
+} from './requestType';
 
 function getYesterdayYYYYMMDD(): string {
   const date = new Date();
@@ -60,10 +66,20 @@ const getCandlestickTest = async () => {
   assert.equal(res.success, 1);
 };
 
+const getCircuitBreakInfoTest = async () => {
+  const publicApi = new PublicApi(config.publicApi);
+  const params: GetCircuitBreakInfoRequest = {
+    pair: 'btc_jpy',
+  };
+  const res = await publicApi.getCircuitBreakInfo(params);
+  assert.equal(res.success, 1);
+};
+
 describe('PublicAPI Test', () => {
   it('GET /{pair}/ticker', getTickerTest);
   it('GET /{pair}/depth', getDepthTest);
   it('GET /{pair}/transactions', getTransactionsTest);
   it('GET /{pair}/transactions/{YYYYMMDD}', getDailyTransactionsTest);
   it('GET /{pair}/candlestick/{candle-type}/{YYYYMMDD}', getCandlestickTest);
+  it('GET /{pair}/circuit_break_info', getCircuitBreakInfoTest);
 });
diff --git a/src/lib/public-api.ts b/src/lib/public-api.ts
index 5e5fc0d..9915870 100644
--- a/src/lib/public-api.ts
+++ b/src/lib/public-api.ts
@@ -1,6 +1,19 @@
 import { Api } from './api';
-import { GetCandleStickRequest, GetDepthRequest, GetTickerRequest, GetTransactionsRequest } from './requestType';
-import { CandlestickResponse, DepthResponse, Response, TickerResponse, TransactionsResponse } from './responseType';
+import {
+  GetCandleStickRequest,
+  GetCircuitBreakInfoRequest,
+  GetDepthRequest,
+  GetTickerRequest,
+  GetTransactionsRequest,
+} from './requestType';
+import {
+  CandlestickResponse,
+  CircuitBreakInfoResponse,
+  DepthResponse,
+  Response,
+  TickerResponse,
+  TransactionsResponse,
+} from './responseType';
 
 export class PublicApi extends Api {
   public getTicker(params: GetTickerRequest): Promise<Response<TickerResponse>> {
@@ -25,4 +38,9 @@ export class PublicApi extends Api {
     const path: string = '/'.concat(params.pair, '/candlestick/', params.candleType, '/', params.yyyymmdd);
     return this.get(path);
   }
+
+  public getCircuitBreakInfo(params: GetCircuitBreakInfoRequest): Promise<Response<CircuitBreakInfoResponse>> {
+    const path: string = '/'.concat(params.pair, '/circuit_break_info');
+    return this.get(path);
+  }
 }
diff --git a/src/lib/requestType.ts b/src/lib/requestType.ts
index e1bfb4b..b827bce 100644
--- a/src/lib/requestType.ts
+++ b/src/lib/requestType.ts
@@ -100,3 +100,8 @@ export interface WithdrawalRequest {
   otp_token?: string;
   sms_token?: string;
 }
+
+// Circuit Break Info
+export interface GetCircuitBreakInfoRequest {
+  pair: string;
+}
diff --git a/src/lib/responseType.ts b/src/lib/responseType.ts
index 249ab34..80c938b 100644
--- a/src/lib/responseType.ts
+++ b/src/lib/responseType.ts
@@ -20,6 +20,12 @@ export interface TickerResponse {
 export interface DepthResponse {
   asks: [string, string][];
   bids: [string, string][];
+  asks_over: string;
+  bids_under: string;
+  asks_under: string;
+  bids_over: string;
+  timestamp: number;
+  sequenceId: string;
 }
 
 // Transactions
@@ -190,3 +196,16 @@ export interface WithdrawalResponse {
 export interface WithdrawalHistoryResponse {
   withdrawals: WithdrawalResponse[];
 }
+
+// Circuit Break Info
+export interface CircuitBreakInfoResponse {
+  mode: 'NONE' | 'CIRCUIT_BREAK' | 'FULL_RANGE_CIRCUIT_BREAK' | 'RESUMPTION' | 'LISTING';
+  upper_trigger_price: string | null;
+  lower_trigger_price: string | null;
+  fee_type: 'NORMAL' | 'SELL_MAKER' | 'BUY_MAKER' | 'DYNAMIC';
+  estimated_itayose_price: string | null;
+  itayose_upper_price: string | null;
+  itayose_lower_price: string | null;
+  reopen_timestamp: number | null;
+  timestamp: number;
+}