diff --git a/packages/backend/src/apps/deepl/auth/is-still-verified.ts b/packages/backend/src/apps/deepl/auth/is-still-verified.ts
index 95a1ef29..66bb963e 100644
--- a/packages/backend/src/apps/deepl/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/deepl/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import verifyCredentials from './verify-credentials';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    await verifyCredentials($);
-    return true;
-  } catch (error) {
-    return false;
-  }
+  await verifyCredentials($);
+  return true;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/discord/auth/is-still-verified.ts b/packages/backend/src/apps/discord/auth/is-still-verified.ts
index b34d1517..fadd0880 100644
--- a/packages/backend/src/apps/discord/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/discord/auth/is-still-verified.ts
@@ -2,13 +2,9 @@ import { IGlobalVariable } from '@automatisch/types';
 import getCurrentUser from '../common/get-current-user';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    await getCurrentUser($);
+  await getCurrentUser($);
 
-    return true;
-  } catch (error) {
-    return false;
-  }
+  return true;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/flickr/auth/is-still-verified.ts b/packages/backend/src/apps/flickr/auth/is-still-verified.ts
index 76547cc8..634776a9 100644
--- a/packages/backend/src/apps/flickr/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/flickr/auth/is-still-verified.ts
@@ -1,17 +1,13 @@
 import { IGlobalVariable } from '@automatisch/types';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    const params = {
-      method: 'flickr.test.login',
-      format: 'json',
-      nojsoncallback: 1,
-    };
-    const response = await $.http.get('/rest', { params });
-    return !!response.data.user.id;
-  } catch (error) {
-    return false;
-  }
+  const params = {
+    method: 'flickr.test.login',
+    format: 'json',
+    nojsoncallback: 1,
+  };
+  const response = await $.http.get('/rest', { params });
+  return !!response.data.user.id;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/github/auth/is-still-verified.ts b/packages/backend/src/apps/github/auth/is-still-verified.ts
index 060ad5cd..befb7694 100644
--- a/packages/backend/src/apps/github/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/github/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import getCurrentUser from '../common/get-current-user';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    const user = await getCurrentUser($);
-    return !!user.id;
-  } catch (error) {
-    return false;
-  }
+  const user = await getCurrentUser($);
+  return !!user.id;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/salesforce/auth/is-still-verified.ts b/packages/backend/src/apps/salesforce/auth/is-still-verified.ts
index 8f578344..d36919f2 100644
--- a/packages/backend/src/apps/salesforce/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/salesforce/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import getCurrentUser from '../common/get-current-user';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    const user = await getCurrentUser($);
-    return !!user;
-  } catch (error) {
-    return false;
-  }
+  const user = await getCurrentUser($);
+  return !!user;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/slack/auth/is-still-verified.ts b/packages/backend/src/apps/slack/auth/is-still-verified.ts
index 060ad5cd..befb7694 100644
--- a/packages/backend/src/apps/slack/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/slack/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import getCurrentUser from '../common/get-current-user';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    const user = await getCurrentUser($);
-    return !!user.id;
-  } catch (error) {
-    return false;
-  }
+  const user = await getCurrentUser($);
+  return !!user.id;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/smtp/auth/is-still-verified.ts b/packages/backend/src/apps/smtp/auth/is-still-verified.ts
index 95a1ef29..66bb963e 100644
--- a/packages/backend/src/apps/smtp/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/smtp/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import verifyCredentials from './verify-credentials';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    await verifyCredentials($);
-    return true;
-  } catch (error) {
-    return false;
-  }
+  await verifyCredentials($);
+  return true;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/twilio/auth/is-still-verified.ts b/packages/backend/src/apps/twilio/auth/is-still-verified.ts
index 95a1ef29..66bb963e 100644
--- a/packages/backend/src/apps/twilio/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/twilio/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import verifyCredentials from './verify-credentials';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    await verifyCredentials($);
-    return true;
-  } catch (error) {
-    return false;
-  }
+  await verifyCredentials($);
+  return true;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/apps/twitter/auth/is-still-verified.ts b/packages/backend/src/apps/twitter/auth/is-still-verified.ts
index 8f578344..d36919f2 100644
--- a/packages/backend/src/apps/twitter/auth/is-still-verified.ts
+++ b/packages/backend/src/apps/twitter/auth/is-still-verified.ts
@@ -2,12 +2,8 @@ import { IGlobalVariable } from '@automatisch/types';
 import getCurrentUser from '../common/get-current-user';
 
 const isStillVerified = async ($: IGlobalVariable) => {
-  try {
-    const user = await getCurrentUser($);
-    return !!user;
-  } catch (error) {
-    return false;
-  }
+  const user = await getCurrentUser($);
+  return !!user;
 };
 
 export default isStillVerified;
diff --git a/packages/backend/src/graphql/queries/test-connection.ts b/packages/backend/src/graphql/queries/test-connection.ts
index 1fa4d036..3782b53e 100644
--- a/packages/backend/src/graphql/queries/test-connection.ts
+++ b/packages/backend/src/graphql/queries/test-connection.ts
@@ -22,7 +22,12 @@ const testConnection = async (
   const app = await App.findOneByKey(connection.key, false);
   const $ = await globalVariable({ connection, app });
 
-  const isStillVerified = await app.auth.isStillVerified($);
+  let isStillVerified;
+  try {
+    isStillVerified = !!(await app.auth.isStillVerified($));
+  } catch {
+    isStillVerified = false;
+  }
 
   connection = await connection.$query().patchAndFetch({
     formattedData: connection.formattedData,
diff --git a/packages/e2e-tests/cypress.config.js b/packages/e2e-tests/cypress.config.js
index a9b1bc3e..dac0771b 100644
--- a/packages/e2e-tests/cypress.config.js
+++ b/packages/e2e-tests/cypress.config.js
@@ -8,7 +8,7 @@ module.exports = defineConfig({
     env: {
       login_email: 'user@automatisch.io',
       login_password: 'sample',
-      slack_user_token: TO_BE_PROVIDED,
+      deepl_auth_key: TO_BE_PROVIDED,
     },
     specPattern: 'cypress/e2e/**/*.{js,jsx,ts,tsx}',
     viewportWidth: 1280,
diff --git a/packages/e2e-tests/cypress/e2e/apps/list-apps.js b/packages/e2e-tests/cypress/e2e/apps/list-apps.js
index 908eafac..e36b7125 100644
--- a/packages/e2e-tests/cypress/e2e/apps/list-apps.js
+++ b/packages/e2e-tests/cypress/e2e/apps/list-apps.js
@@ -20,7 +20,9 @@ describe('Apps page', () => {
 
   context('can add connection', () => {
     before(() => {
-      cy.og('add-connection-button').click();
+      cy
+        .og('add-connection-button')
+        .click({ force: true });
     });
 
     it('lists applications', () => {
@@ -28,14 +30,14 @@ describe('Apps page', () => {
     });
 
     it('searches an application', () => {
-      cy.og('search-for-app-text-field').type('Slack');
+      cy.og('search-for-app-text-field').type('DeepL');
       cy.og('app-list-item').should('have.length', 1);
     });
 
     it('goes to app page to create a connection', () => {
       cy.og('app-list-item').first().click();
 
-      cy.location('pathname').should('equal', '/app/slack/connections/add');
+      cy.location('pathname').should('equal', '/app/deepl/connections/add');
 
       cy.og('add-app-connection-dialog').should('be.visible');
     });
@@ -43,7 +45,7 @@ describe('Apps page', () => {
     it('closes the dialog on backdrop click', () => {
       cy.clickOutside();
 
-      cy.location('pathname').should('equal', '/app/slack/connections');
+      cy.location('pathname').should('equal', '/app/deepl/connections');
       cy.og('add-app-connection-dialog').should('not.exist');
     });
   });
diff --git a/packages/e2e-tests/cypress/e2e/connections/create-connection.js b/packages/e2e-tests/cypress/e2e/connections/create-connection.js
index 7d01d0f7..8cff984e 100644
--- a/packages/e2e-tests/cypress/e2e/connections/create-connection.js
+++ b/packages/e2e-tests/cypress/e2e/connections/create-connection.js
@@ -5,41 +5,44 @@ describe('Connections page', () => {
     cy.login();
 
     cy.og('apps-page-drawer-link').click();
+
+    cy.visit('/app/deepl/connections');
   });
 
   after(() => {
     cy.logout();
   });
 
-  it('opens via applications page', () => {
+  it('shows connections if any', () => {
     cy.og('apps-loader').should('not.exist');
 
-    cy.og('app-row').contains('Slack').click();
-
-    cy.og('app-connection-row').should('be.visible');
-
-    cy.ss('Slack connections before creating a connection');
+    cy.ss('DeepL connections before creating a connection');
   });
 
   context('can add connection', () => {
     it('has a button to open add connection dialog', () => {
-      cy.og('add-connection-button').scrollIntoView().should('be.visible');
+      cy.scrollTo('top', { ensureScrollable: false });
+
+      cy
+        .og('add-connection-button')
+        .should('be.visible');
     });
 
     it('add connection button takes user to add connection page', () => {
-      cy.og('add-connection-button').click({ force: true });
+      cy.og('add-connection-button').click();
 
-      cy.location('pathname').should('equal', '/app/slack/connections/add');
+      cy.location('pathname').should('equal', '/app/deepl/connections/add');
     });
 
     it('shows add connection dialog to create a new connection', () => {
-      cy.get('input[name="accessToken"]').type(Cypress.env('slack_user_token'));
+      cy.get('input[name="screenName"]').type('e2e-test connection!');
+      cy.get('input[name="authenticationKey"]').type(Cypress.env('deepl_auth_key'));
 
       cy.og('create-connection-button').click();
 
       cy.og('create-connection-button').should('not.exist');
 
-      cy.ss('Slack connections after creating a connection');
+      cy.ss('DeepL connections after creating a connection');
     });
   });
 });
diff --git a/packages/e2e-tests/cypress/e2e/executions/display-execution.js b/packages/e2e-tests/cypress/e2e/executions/display-execution.js
index 945b987e..62064fa6 100644
--- a/packages/e2e-tests/cypress/e2e/executions/display-execution.js
+++ b/packages/e2e-tests/cypress/e2e/executions/display-execution.js
@@ -26,9 +26,7 @@ describe('Execution page', () => {
     cy.ss('Execution - data out');
   });
 
-  it('displays error', () => {
-    cy.og('error-tab').click({ multiple: true, force: true });
-
-    cy.ss('Execution - error');
+  it('does not display error', () => {
+    cy.og('error-tab').should('not.exist');
   });
 });
diff --git a/packages/e2e-tests/cypress/e2e/flow-editor/create-flow.js b/packages/e2e-tests/cypress/e2e/flow-editor/create-flow.js
index 84efbd09..ad175e7b 100644
--- a/packages/e2e-tests/cypress/e2e/flow-editor/create-flow.js
+++ b/packages/e2e-tests/cypress/e2e/flow-editor/create-flow.js
@@ -77,19 +77,19 @@ describe('Flow editor page', () => {
       });
     });
 
-    context('arrange Slack action', () => {
+    context('arrange DeepL action', () => {
       context('choose app and event substep', () => {
         it('choose application', () => {
           cy.og('choose-app-autocomplete').click();
 
-          cy.get('li[role="option"]:contains("Slack")').click();
+          cy.get('li[role="option"]:contains("DeepL")').click();
         });
 
         it('choose an event', () => {
           cy.og('choose-event-autocomplete').should('be.visible').click();
 
           cy.get(
-            'li[role="option"]:contains("Send a message to channel")'
+            'li[role="option"]:contains("Translate Text")'
           ).click();
         });
 
@@ -120,13 +120,7 @@ describe('Flow editor page', () => {
       });
 
       context('set up action', () => {
-        it('choose channel', () => {
-          cy.og('parameters.channel-autocomplete').click();
-
-          cy.get('li[role="option"]').last().click();
-        });
-
-        it('arrange message text', () => {
+        it('arrange text', () => {
           cy.og('power-input', ' [contenteditable]')
             .click()
             .type(
@@ -141,7 +135,15 @@ describe('Flow editor page', () => {
 
           cy.clickOutside();
 
-          cy.ss('Slack action message text');
+          cy.ss('DeepL action text');
+        });
+
+        it('set target language', () => {
+          cy.og('parameters.targetLanguage-autocomplete').click();
+
+          cy.get(
+            'li[role="option"]:contains("Turkish")'
+          ).first().click();
         });
 
         it('continue to next step', () => {
@@ -161,7 +163,7 @@ describe('Flow editor page', () => {
 
           cy.og('flow-test-substep-output').should('be.visible');
 
-          cy.ss('Slack action test output');
+          cy.ss('DeepL action test output');
 
           cy.og('flow-substep-continue-button').click();
         });
diff --git a/packages/types/index.d.ts b/packages/types/index.d.ts
index 0685adf4..6701a7c5 100644
--- a/packages/types/index.d.ts
+++ b/packages/types/index.d.ts
@@ -40,6 +40,7 @@ export interface IExecution {
   flowId: string;
   flow: IFlow;
   testRun: boolean;
+  status: 'success' | 'failure';
   executionSteps: IExecutionStep[];
   updatedAt: string;
   createdAt: string;
diff --git a/packages/web/src/components/ExecutionRow/index.tsx b/packages/web/src/components/ExecutionRow/index.tsx
index f56abcd1..114162cd 100644
--- a/packages/web/src/components/ExecutionRow/index.tsx
+++ b/packages/web/src/components/ExecutionRow/index.tsx
@@ -57,6 +57,16 @@ export default function ExecutionRow(
                 />
               )}
 
+              <Chip
+                size="small"
+                color={execution.status === 'success' ? 'success' : 'error'}
+                label={formatMessage(
+                  execution.status === 'success'
+                    ? 'execution.statusSuccess'
+                    : 'execution.statusFailure'
+                )}
+              />
+
               <ArrowForwardIosIcon
                 sx={{ color: (theme) => theme.palette.primary.main }}
               />
diff --git a/packages/web/src/components/ExecutionStep/index.tsx b/packages/web/src/components/ExecutionStep/index.tsx
index 7d4c7fe2..106d03db 100644
--- a/packages/web/src/components/ExecutionStep/index.tsx
+++ b/packages/web/src/components/ExecutionStep/index.tsx
@@ -51,6 +51,7 @@ export default function ExecutionStep(
 
   const validationStatusIcon =
     executionStep.status === 'success' ? validIcon : errorIcon;
+  const hasError = !!executionStep.errorDetails;
 
   return (
     <Wrapper elevation={1} data-test="execution-step">
@@ -86,7 +87,7 @@ export default function ExecutionStep(
           >
             <Tab label="Data in" data-test="data-in-tab" />
             <Tab label="Data out" data-test="data-out-tab" />
-            <Tab label="Error" data-test="error-tab" />
+            {hasError && <Tab label="Error" data-test="error-tab" />}
           </Tabs>
         </Box>
 
@@ -98,9 +99,11 @@ export default function ExecutionStep(
           <JSONViewer data={executionStep.dataOut} />
         </TabPanel>
 
-        <TabPanel value={activeTabIndex} index={2}>
-          <JSONViewer data={executionStep.errorDetails} />
-        </TabPanel>
+        {hasError && (
+          <TabPanel value={activeTabIndex} index={2}>
+            <JSONViewer data={executionStep.errorDetails} />
+          </TabPanel>
+        )}
       </Content>
     </Wrapper>
   );
diff --git a/packages/web/src/graphql/queries/get-executions.ts b/packages/web/src/graphql/queries/get-executions.ts
index 1c015677..653426a9 100644
--- a/packages/web/src/graphql/queries/get-executions.ts
+++ b/packages/web/src/graphql/queries/get-executions.ts
@@ -13,6 +13,7 @@ export const GET_EXECUTIONS = gql`
           testRun
           createdAt
           updatedAt
+          status
           flow {
             id
             name
diff --git a/packages/web/src/locales/en.json b/packages/web/src/locales/en.json
index a18afad8..4d79ee2b 100644
--- a/packages/web/src/locales/en.json
+++ b/packages/web/src/locales/en.json
@@ -74,6 +74,8 @@
   "executions.noExecutions": "There is no execution data point to show.",
   "execution.executedAt": "executed {datetime}",
   "execution.test": "Test run",
+  "execution.statusSuccess": "Success",
+  "execution.statusFailure": "Failure",
   "execution.noDataTitle": "No data",
   "execution.noDataMessage": "We successfully ran the execution, but there was no new data to process.",
   "profileSettings.title": "My Profile",
@@ -86,4 +88,4 @@
   "profileSettings.updatePassword": "Update password",
   "notifications.title": "Notifications",
   "notification.releasedAt": "Released {relativeDate}"
-}
+}
\ No newline at end of file