diff --git a/lansweeper/aws/integration-lambda/lansweeper_api_helper.js b/lansweeper/aws/integration-lambda/lansweeper_api_helper.js
index 8b3cb99..d35b4a4 100644
--- a/lansweeper/aws/integration-lambda/lansweeper_api_helper.js
+++ b/lansweeper/aws/integration-lambda/lansweeper_api_helper.js
@@ -19,6 +19,8 @@ class LansweeperApiHelper {
   createClient(url, bearerToken) {
     const headers = {
       'Content-Type': 'application/json',
+      'x-ls-integration-id': LansweeperApiHelper.LS_INTEGRATION_ID,
+      'x-ls-integration-version': LansweeperApiHelper.LS_INTEGRATION_VERSION,
     };
     if (bearerToken) {
       headers['authorization'] = `Bearer ${bearerToken}`;
@@ -118,7 +120,7 @@ class LansweeperApiHelper {
     try {
       const client = this.createClient(this.apiUrl, accessToken);
       const lecResponse = await client.post(
-        `/v2/graphql`,
+        '/v2/graphql',
         {
           query: query,
           variables: vars,
@@ -164,5 +166,7 @@ class LansweeperApiHelper {
     }
   }
 }
+LansweeperApiHelper.LS_INTEGRATION_VERSION = '1.0';
+LansweeperApiHelper.LS_INTEGRATION_ID = 'a561a72d-aa5e-4c52-af6d-084129ab5f09';
 
-module.exports = LansweeperApiHelper;
\ No newline at end of file
+module.exports = LansweeperApiHelper;
diff --git a/lansweeper/aws/integration-lambda/tests/lansweeper_api_helper.test.js b/lansweeper/aws/integration-lambda/tests/lansweeper_api_helper.test.js
new file mode 100644
index 0000000..8eb03a4
--- /dev/null
+++ b/lansweeper/aws/integration-lambda/tests/lansweeper_api_helper.test.js
@@ -0,0 +1,118 @@
+'use strict';
+
+const axios = require('axios')
+jest.mock('axios');
+const LansweeperApiHelper = require('../lansweeper_api_helper');
+
+const expectedOAuthConfig = {
+  "baseURL": "https://api.lansweeper.com/api/integrations/oauth",
+  "headers": {
+    "Content-Type": "application/json",
+    "x-ls-integration-version": LansweeperApiHelper.LS_INTEGRATION_VERSION,
+    "x-ls-integration-id": LansweeperApiHelper.LS_INTEGRATION_ID,
+  },
+  "timeout": 30000
+};
+
+describe('getRefreshToken', () => {
+  it('posts correct data', async () => {
+    axios.create.mockImplementation((config) => {
+      expect(config).toEqual(expectedOAuthConfig);
+
+      return {
+        post: async (path, data) => {
+          expect(path).toBe('/token');
+          expect(data.client_id).toBe('client id');
+          expect(data.client_secret).toBe('my secret');
+          expect(data.grant_type).toBe('authorization_code');
+          expect(data.code).toBe('my code');
+          expect(data.redirect_uri).toBe('my uri');
+          return {
+            status: 200,
+            data: {
+              refresh_token: 'A9B8C8',
+            },
+          };
+        }
+      }
+    });
+
+    const apiHelper = new LansweeperApiHelper('client id', 'my secret', null);
+    expect(await apiHelper.getRefreshToken('my code', 'my uri')).toEqual('A9B8C8');
+  });
+});
+
+describe('getAccessToken', () => {
+  it('posts correct data', async () => {
+    axios.create.mockImplementation((config) => {
+      expect(config).toEqual(expectedOAuthConfig);
+
+      return {
+        post: async (path, data) => {
+          expect(path).toBe('/token');
+          expect(data.client_id).toBe('client id2');
+          expect(data.client_secret).toBe('my secret2');
+          expect(data.grant_type).toBe('refresh_token');
+          expect(data.refresh_token).toBe('my refresh token');
+          return {
+            status: 200,
+            data: {
+              access_token: 'my token',
+            },
+          };
+        }
+      }
+    });
+
+    const apiHelper = new LansweeperApiHelper('client id2', 'my secret2', 'my refresh token');
+    expect(await apiHelper.getAccessToken()).toEqual('my token');
+  });
+});
+
+describe('getGraphQLQuery', () => {
+  it('posts correct data', async () => {
+    const query = 'some graphql';
+    const queryVars = {a: 1, b: 'abav'};
+    let clientCounter = 0;
+
+    axios.create.mockImplementation((config) => {
+      clientCounter++;
+      if (clientCounter === 1) {
+        // refresh token client is created in constructor
+        expect(config).toEqual(expectedOAuthConfig);
+      } else {
+        // GraphQL client
+        expect(config).toEqual(
+          {
+            "baseURL": "https://api.lansweeper.com/api",
+            "headers": {
+              "Content-Type": "application/json",
+              "x-ls-integration-id": "a561a72d-aa5e-4c52-af6d-084129ab5f09",
+              "x-ls-integration-version": "1.0",
+              "authorization": "Bearer my token",
+            },
+            "timeout": 30000
+          }
+        );
+      }
+
+      return {
+        post: async (path, data) => {
+          expect(path).toBe('/v2/graphql');
+          expect(data.query).toBe(query);
+          expect(data.variables).toBe(queryVars)
+          return {
+            status: 200,
+            data: {
+              data: 'query result',
+            },
+          };
+        }
+      }
+    });
+
+    const apiHelper = new LansweeperApiHelper('client id2', 'my secret2', 'abc');
+    apiHelper.accessToken = 'my token';
+    expect(await apiHelper.getGraphQLQuery('my descr', query, queryVars)).toEqual('query result');
+  });
+});