diff --git a/spec/amadeus/namespaces.test.js b/spec/amadeus/namespaces.test.js
index b8d794c..cd7741d 100644
--- a/spec/amadeus/namespaces.test.js
+++ b/spec/amadeus/namespaces.test.js
@@ -310,7 +310,7 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.travel.tripParser.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v3/travel/trip-parser', {});
+        .toHaveBeenCalledWith('/v3/travel/trip-parser', JSON.stringify({}));
     });
 
     it('.amadeus.travel.tripParser.fromFile', () => {
@@ -344,14 +344,14 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.booking.flightOrders.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/booking/flight-orders', {});
+        .toHaveBeenCalledWith('/v1/booking/flight-orders', JSON.stringify({}));
     });
 
     it('.amadeus.shopping.flightOffers.pricing.post', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.flightOffers.pricing.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/shopping/flight-offers/pricing', {});
+        .toHaveBeenCalledWith('/v1/shopping/flight-offers/pricing', JSON.stringify({}));
     });
 
     it('.amadeus.shopping.flightOffersSearch.get', () => {
@@ -365,7 +365,7 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.flightOffersSearch.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v2/shopping/flight-offers', {});
+        .toHaveBeenCalledWith('/v2/shopping/flight-offers', JSON.stringify({}));
     });
 
     it('.amadeus.shopping.seatmaps.get', () => {
@@ -379,7 +379,7 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.seatmaps.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/shopping/seatmaps', {});
+        .toHaveBeenCalledWith('/v1/shopping/seatmaps', JSON.stringify({}));
     });
 
     it('.amadeus.shopping.hotelOfferSearch().get', () => {
@@ -494,14 +494,14 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.availability.flightAvailabilities.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/shopping/availability/flight-availabilities', {});
+        .toHaveBeenCalledWith('/v1/shopping/availability/flight-availabilities', JSON.stringify({}));
     });
 
     it('.amadeus.shopping.flight_offers.upselling.post', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.flightOffers.upselling.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/shopping/flight-offers/upselling', {});
+        .toHaveBeenCalledWith('/v1/shopping/flight-offers/upselling', JSON.stringify({}));
     });
 
     it('.amadeus.airline.destinations.get', () => {
@@ -515,21 +515,21 @@ describe('Namespaces', () => {
       amadeus.client.post = jest.fn();
       amadeus.shopping.transferOffers.post();
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/shopping/transfer-offers', {});
+        .toHaveBeenCalledWith('/v1/shopping/transfer-offers', JSON.stringify({}));
     });
 
     it('.amadeus.ordering.transferOrders.post', () => {
       amadeus.client.post = jest.fn();
       amadeus.ordering.transferOrders.post({}, '1234123123');
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/ordering/transfer-orders?offerId=1234123123', {});
+        .toHaveBeenCalledWith('/v1/ordering/transfer-orders?offerId=1234123123', JSON.stringify({}));
     });
 
     it('.amadeus.ordering.transferOrders().transfers.cancellation.post', () => {
       amadeus.client.post = jest.fn();
       amadeus.ordering.transferOrder('XXX').transfers.cancellation.post({}, 12345);
       expect(amadeus.client.post)
-        .toHaveBeenCalledWith('/v1/ordering/transfer-orders/XXX/transfers/cancellation?confirmNbr=12345', {});
+        .toHaveBeenCalledWith('/v1/ordering/transfer-orders/XXX/transfers/cancellation?confirmNbr=12345', JSON.stringify({}));
     });
 
   });
diff --git a/src/amadeus/namespaces/booking/flight_orders.js b/src/amadeus/namespaces/booking/flight_orders.js
index 886883c..b13d01e 100644
--- a/src/amadeus/namespaces/booking/flight_orders.js
+++ b/src/amadeus/namespaces/booking/flight_orders.js
@@ -33,7 +33,7 @@ class FlightOrders {
    * ```
    */
   post(params = {}) {
-    return this.client.post('/v1/booking/flight-orders', params);
+    return this.client.post('/v1/booking/flight-orders', JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/ordering/transfer_orders.js b/src/amadeus/namespaces/ordering/transfer_orders.js
index ff4871f..9d73c1f 100644
--- a/src/amadeus/namespaces/ordering/transfer_orders.js
+++ b/src/amadeus/namespaces/ordering/transfer_orders.js
@@ -25,11 +25,11 @@ class TransferOrders {
    * To book the transfer-offer(s) suggested by transferOffers and create a transfer-order
    *
    * ```js
-   * amadeus.ordering.transferOrders.post(body, '2094123123');;
+   * amadeus.ordering.transferOrders.post(body, '2094123123');
    * ```
    */
   post(body, offerId) {
-    return this.client.post(`/v1/ordering/transfer-orders?offerId=${offerId}`, body);
+    return this.client.post(`/v1/ordering/transfer-orders?offerId=${offerId}`, JSON.stringify(body));
   }
 }
 
diff --git a/src/amadeus/namespaces/ordering/transfer_orders/transfers/cancellation.js b/src/amadeus/namespaces/ordering/transfer_orders/transfers/cancellation.js
index 64a1952..73776e6 100644
--- a/src/amadeus/namespaces/ordering/transfer_orders/transfers/cancellation.js
+++ b/src/amadeus/namespaces/ordering/transfer_orders/transfers/cancellation.js
@@ -24,12 +24,12 @@ class Cancellation {
    * To cancel a transfer order with ID 'XXX' and confirmation number '12345'
    *
    * ```js
-   * amadeus.ordering.transferOrder('XXX').transfers.cancellation.post(JSON.stringify({}), '12345');;
+   * amadeus.ordering.transferOrder('XXX').transfers.cancellation.post({}, '12345');;
    * ```
    */
   post(body, confirmNbr) {
     return this.client.post(
-      `/v1/ordering/transfer-orders/${this.orderId}/transfers/cancellation?confirmNbr=${confirmNbr}`, body);
+      `/v1/ordering/transfer-orders/${this.orderId}/transfers/cancellation?confirmNbr=${confirmNbr}`, JSON.stringify(body));
   }
 }
 
diff --git a/src/amadeus/namespaces/shopping/availability/flight_availabilities.js b/src/amadeus/namespaces/shopping/availability/flight_availabilities.js
index 8b41300..59e6da5 100644
--- a/src/amadeus/namespaces/shopping/availability/flight_availabilities.js
+++ b/src/amadeus/namespaces/shopping/availability/flight_availabilities.js
@@ -27,7 +27,7 @@ class FlightAvailabilities {
    * ```
    */
   post(params = {}) {
-    return this.client.post('/v1/shopping/availability/flight-availabilities', params);
+    return this.client.post('/v1/shopping/availability/flight-availabilities', JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/shopping/flight_offers/pricing.js b/src/amadeus/namespaces/shopping/flight_offers/pricing.js
index 3d8db6e..68b47bc 100644
--- a/src/amadeus/namespaces/shopping/flight_offers/pricing.js
+++ b/src/amadeus/namespaces/shopping/flight_offers/pricing.js
@@ -48,7 +48,7 @@ class Pricing {
       url += '?' + queryString;
     }
 
-    return this.client.post(url, params);
+    return this.client.post(url, JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/shopping/flight_offers/upselling.js b/src/amadeus/namespaces/shopping/flight_offers/upselling.js
index 258816b..393f993 100644
--- a/src/amadeus/namespaces/shopping/flight_offers/upselling.js
+++ b/src/amadeus/namespaces/shopping/flight_offers/upselling.js
@@ -27,7 +27,7 @@ class Upselling {
    * ```
    */
   post(params = {}) {
-    return this.client.post('/v1/shopping/flight-offers/upselling', params);
+    return this.client.post('/v1/shopping/flight-offers/upselling', JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/shopping/flight_offers_search.js b/src/amadeus/namespaces/shopping/flight_offers_search.js
index d2198d6..0aaf2ef 100644
--- a/src/amadeus/namespaces/shopping/flight_offers_search.js
+++ b/src/amadeus/namespaces/shopping/flight_offers_search.js
@@ -52,7 +52,7 @@ class FlightOffersSearch {
    * To do a customized search with given options.
    *
    * ```js
-   * amadeus.shopping.flightOffersSearch.post (JSON.stringify({
+   * amadeus.shopping.flightOffersSearch.post({
         "currencyCode": "USD",
         "originDestinations": [
           {
@@ -114,11 +114,11 @@ class FlightOffersSearch {
             }
           }
         }
-      }))
+      });
     * ```
     */
   post(params = {}) {
-    return this.client.post('/v2/shopping/flight-offers', params);
+    return this.client.post('/v2/shopping/flight-offers', JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/shopping/seatmaps.js b/src/amadeus/namespaces/shopping/seatmaps.js
index 749d180..7b8f61a 100644
--- a/src/amadeus/namespaces/shopping/seatmaps.js
+++ b/src/amadeus/namespaces/shopping/seatmaps.js
@@ -59,7 +59,7 @@ class Seatmaps {
    * ```
   */
   post(params = {}) {
-    return this.client.post('/v1/shopping/seatmaps', params);
+    return this.client.post('/v1/shopping/seatmaps', JSON.stringify(params));
   }
 
 }
diff --git a/src/amadeus/namespaces/shopping/transfer_offers.js b/src/amadeus/namespaces/shopping/transfer_offers.js
index 951a462..f3d3c55 100644
--- a/src/amadeus/namespaces/shopping/transfer_offers.js
+++ b/src/amadeus/namespaces/shopping/transfer_offers.js
@@ -31,7 +31,7 @@ class TransferOffers {
    * ```
   */
   post(params = {}) {
-    return this.client.post('/v1/shopping/transfer-offers', params);
+    return this.client.post('/v1/shopping/transfer-offers', JSON.stringify(params));
   }
 }
 
diff --git a/src/amadeus/namespaces/travel/trip_parser.js b/src/amadeus/namespaces/travel/trip_parser.js
index 382a8a1..660cd5b 100644
--- a/src/amadeus/namespaces/travel/trip_parser.js
+++ b/src/amadeus/namespaces/travel/trip_parser.js
@@ -29,7 +29,7 @@ class TripParser {
      * ```
      */
   post(params = {}) {
-    return this.client.post('/v3/travel/trip-parser', params);
+    return this.client.post('/v3/travel/trip-parser', JSON.stringify(params));
   }
   /**
   * Helper method to convert file contents in UTF-8 encoded string