diff --git a/src/formio/validators/plugins.js b/src/formio/validators/plugins.js
index 129617a42..625bf7c17 100644
--- a/src/formio/validators/plugins.js
+++ b/src/formio/validators/plugins.js
@@ -1,41 +1,30 @@
 import {post} from '../../api';
 
-const errorMessageMap = {
-  'kvk-kvkNumber': 'Invalid Kvk Number',
-  'kvk-rsin': 'Invalid RSIN',
-  'kvk-branchNumber': 'Invalid Branch Number',
-  'phonenumber-international': 'Invalid international phonenumber',
-  'phonenumber-nl': 'Invalid Dutch phonenumber',
-};
+export const pluginsAPIValidator = {
+  key: `validate.backendApi`,
+  check(component, setting, value) {
+    if (!value) return true;
 
-const pluginAPIValidator = plugin => {
-  let defaultMsg = errorMessageMap[plugin];
-  // catches undefined too
-  if (defaultMsg == null) {
-    defaultMsg = 'Invalid';
-  }
+    const plugins = component.component.validate.plugins;
+    const {baseUrl} = component.currentForm?.options || component.options;
 
-  return {
-    key: `validate.${plugin}`,
-    message(component) {
-      return component.t(component.errorMessage(defaultMsg), {
-        field: component.errorLabel,
-        data: component.data,
+    const promises = plugins.map(plugin => {
+      const url = `${baseUrl}validation/plugins/${plugin}`;
+      return post(url, {value}).then(response => {
+        const valid = response.data.isValid;
+        return valid ? true : response.data.messages.join('<br>');
       });
-    },
-    check(component, setting, value) {
-      if (!value) return true;
+    });
+    return Promise.all(promises)
+      .then(results => {
+        const anyValid = results.some(result => result === true);
 
-      const {baseUrl} = component.currentForm?.options || component.options;
-      const url = `${baseUrl}validation/plugins/${plugin}`;
-      return post(url, {value})
-        .then(response => {
-          const valid = response.data.isValid;
-          return valid ? true : response.data.messages.join('<br>');
-        })
-        .catch(() => false);
-    },
-  };
+        if (anyValid) return true;
+
+        return results.join('<br>');
+      })
+      .catch(() => false);
+  },
 };
 
 /**
@@ -46,13 +35,9 @@ const pluginAPIValidator = plugin => {
  */
 const enableValidationPlugins = component => {
   if (Array.isArray(component.component.validate.plugins)) {
-    for (let plugin of component.component.validate.plugins) {
-      const validator = pluginAPIValidator(plugin);
-      if (validator == null) continue;
-      component.component.validateOn = 'blur';
-      component.validator.validators[plugin] = validator;
-      component.validators.push(plugin);
-    }
+    component.component.validateOn = 'blur';
+    component.validator.validators.backendApi = pluginsAPIValidator;
+    component.validators.push('backendApi');
   }
 };
 
diff --git a/src/jstests/formio/components/fixtures/phonenumber.js b/src/jstests/formio/components/fixtures/phonenumber.js
new file mode 100644
index 000000000..effad92bb
--- /dev/null
+++ b/src/jstests/formio/components/fixtures/phonenumber.js
@@ -0,0 +1,15 @@
+const phoneNumberComponent = {
+  label: 'Phone Number',
+  key: 'phonenumber',
+  type: 'phoneNumber',
+  input: true,
+  validate: {
+    backendApi: true,
+    plugins: ['phonenumber-international', 'phonenumber-nl'],
+  },
+};
+
+const validSamples = ['0630123456', '+31630123456'];
+const inValidSamples = ['63012345', '+3163012345'];
+
+export {phoneNumberComponent, validSamples, inValidSamples};
diff --git a/src/jstests/formio/validators/mocks.js b/src/jstests/formio/validators/mocks.js
new file mode 100644
index 000000000..4f96aae89
--- /dev/null
+++ b/src/jstests/formio/validators/mocks.js
@@ -0,0 +1,36 @@
+import {rest} from 'msw';
+
+import {BASE_URL} from 'api-mocks';
+
+const INTERNATIONAL_VALIDATION_ENDPOINT = `${BASE_URL}validation/plugins/phonenumber-international`;
+const DUTCH_VALIDATION_ENDPOINT = `${BASE_URL}validation/plugins/phonenumber-nl`;
+
+export const phoneNumberValidations = {
+  mockValidInternationalPhonenumberPost: rest.post(
+    INTERNATIONAL_VALIDATION_ENDPOINT,
+    async (req, res, ctx) => {
+      return res(ctx.status(200), ctx.json({isValid: true, messages: []}));
+    }
+  ),
+
+  mockInValidInternationalPhonenumberPost: rest.post(
+    INTERNATIONAL_VALIDATION_ENDPOINT,
+    async (req, res, ctx) => {
+      return res(
+        ctx.status(200),
+        ctx.json({isValid: false, messages: ['Invalid international phone number']})
+      );
+    }
+  ),
+
+  mockValidDutchPhonenumberPost: rest.post(DUTCH_VALIDATION_ENDPOINT, async (req, res, ctx) => {
+    return res(ctx.status(200), ctx.json({isValid: true, messages: []}));
+  }),
+
+  mockInValidDutchPhonenumberPost: rest.post(DUTCH_VALIDATION_ENDPOINT, async (req, res, ctx) => {
+    return res(
+      ctx.status(200),
+      ctx.json({isValid: false, messages: ['Invalid dutch phone number']})
+    );
+  }),
+};
diff --git a/src/jstests/formio/validators/pluginapivalidator.spec.js b/src/jstests/formio/validators/pluginapivalidator.spec.js
new file mode 100644
index 000000000..8e18bfae2
--- /dev/null
+++ b/src/jstests/formio/validators/pluginapivalidator.spec.js
@@ -0,0 +1,68 @@
+import {
+  inValidSamples,
+  phoneNumberComponent,
+  validSamples,
+} from 'jstests/formio/components/fixtures/phonenumber';
+
+import {BASE_URL} from 'api-mocks';
+import mswServer from 'api-mocks/msw-server';
+import {pluginsAPIValidator} from 'formio/validators/plugins';
+
+import {phoneNumberValidations} from './mocks';
+
+describe('The OpenForms plugins validation', () => {
+  test('tests expected errors are returned when phone number is invalid', async () => {
+    mswServer.use(
+      phoneNumberValidations.mockInValidDutchPhonenumberPost,
+      phoneNumberValidations.mockInValidInternationalPhonenumberPost
+    );
+
+    const component = {
+      component: phoneNumberComponent,
+      options: {
+        baseUrl: BASE_URL,
+      },
+    };
+
+    for (const sample of inValidSamples) {
+      const result = await pluginsAPIValidator.check(component, undefined, sample);
+      expect(result).toBe('Invalid international phone number<br>Invalid dutch phone number');
+    }
+  });
+
+  test('tests no errors are returned when phone number is valid', async () => {
+    mswServer.use(
+      phoneNumberValidations.mockValidDutchPhonenumberPost,
+      phoneNumberValidations.mockValidInternationalPhonenumberPost
+    );
+
+    const component = {
+      component: phoneNumberComponent,
+      options: {
+        baseUrl: BASE_URL,
+      },
+    };
+
+    for (const sample of validSamples) {
+      const result = await pluginsAPIValidator.check(component, undefined, sample);
+      expect(result).toBe(true);
+    }
+  });
+
+  test('tests no errors are returned when phone number is null', async () => {
+    mswServer.use(
+      phoneNumberValidations.mockValidDutchPhonenumberPost,
+      phoneNumberValidations.mockValidInternationalPhonenumberPost
+    );
+
+    const component = {
+      component: phoneNumberComponent,
+      options: {
+        baseUrl: BASE_URL,
+      },
+    };
+
+    const result = await pluginsAPIValidator.check(component, undefined, null);
+    expect(result).toBe(true);
+  });
+});