diff --git a/src/adapters/Survey/index.test.ts b/src/adapters/Survey/index.test.ts
index ab1f679..02f16d9 100644
--- a/src/adapters/Survey/index.test.ts
+++ b/src/adapters/Survey/index.test.ts
@@ -1,12 +1,14 @@
-import { getAuth } from 'adapters/BaseAuth';
+import { getAuth, postAuth } from 'adapters/BaseAuth';
+import { SurveySubmitRequest } from 'types/request/surveySubmitRequest';
 
-import { getSurvey, getSurveys } from '.';
+import { getSurvey, getSurveys, submitSurvey } from '.';
 
 jest.mock('adapters/BaseAuth');
 
 describe('SurveyAdapter', () => {
   beforeEach(() => {
     (getAuth as jest.Mock).mockImplementation(() => jest.fn());
+    (postAuth as jest.Mock).mockImplementation(() => jest.fn());
   });
 
   afterEach(() => {
@@ -33,4 +35,36 @@ describe('SurveyAdapter', () => {
       expect(getAuth).toHaveBeenCalledWith(expectedPath);
     });
   });
+
+  describe('submitSurvey', () => {
+    it('calls the post method from the base adapter', () => {
+      const payload: SurveySubmitRequest = {
+        surveyId: 'd5de6a8f8f5f1cfe51bc',
+        questions: [
+          {
+            id: '940d229e4cd87cd1e202',
+            answers: [
+              {
+                id: '037574cb93d16800eecd',
+              },
+            ],
+          },
+          {
+            id: 'c3a9b8ce5c2356010703',
+            answers: [
+              {
+                id: '2a49e148c5b170aca804',
+                answer: 'My answer',
+              },
+            ],
+          },
+        ],
+      };
+      const expectedPath = `responses`;
+
+      submitSurvey(payload);
+
+      expect(postAuth).toHaveBeenCalledWith(expectedPath, payload);
+    });
+  });
 });
diff --git a/src/adapters/Survey/index.ts b/src/adapters/Survey/index.ts
index a6a088c..4a0636d 100644
--- a/src/adapters/Survey/index.ts
+++ b/src/adapters/Survey/index.ts
@@ -1,5 +1,8 @@
-import { getAuth } from 'adapters/BaseAuth';
+import { getAuth, postAuth } from 'adapters/BaseAuth';
+import { SurveySubmitRequest } from 'types/request/surveySubmitRequest';
 
 export const getSurveys = () => getAuth('surveys?page[number]=1&page[size]=10');
 
 export const getSurvey = (surveyId: string) => getAuth(`surveys/${surveyId}`);
+
+export const submitSurvey = (surveySubmitRequest: SurveySubmitRequest) => postAuth('responses', surveySubmitRequest);
diff --git a/src/helpers/json.ts b/src/helpers/json.ts
index f24aeec..ca62c2e 100644
--- a/src/helpers/json.ts
+++ b/src/helpers/json.ts
@@ -6,13 +6,13 @@ export type JSONValue = string | number | boolean | JSONObject | JSONArray;
 export type JSONArray = Array<JSONValue>;
 
 export interface JSONObject {
-  [key: string]: JSONValue;
+  [key: string]: JSONValue | undefined;
 }
 
 const convertKeys = (
   json: JSONValue | JSONObject | JSONArray,
   convertKeyCallback: (key: string) => string,
-  convertJsonCallback: (json: JSONValue | JSONObject | JSONArray) => JSONValue | JSONObject | JSONArray
+  convertJsonCallback: (json: JSONValue | JSONObject | JSONArray | undefined) => JSONValue | JSONObject | JSONArray
 ) => {
   if (Array.isArray(json)) {
     return json.map((jsonObject) => convertJsonCallback(jsonObject as JSONValue));
diff --git a/src/types/request/surveySubmitRequest.ts b/src/types/request/surveySubmitRequest.ts
new file mode 100644
index 0000000..8157dfd
--- /dev/null
+++ b/src/types/request/surveySubmitRequest.ts
@@ -0,0 +1,16 @@
+import { JSONObject } from 'helpers/json';
+
+export interface SurveySubmitRequest extends JSONObject {
+  surveyId: string;
+  questions: QuestionRequest[];
+}
+
+interface QuestionRequest extends JSONObject {
+  id: string;
+  answers: AnswerRequest[];
+}
+
+interface AnswerRequest extends JSONObject {
+  id: string;
+  answer?: string;
+}