diff --git a/src/applications/representative-appoint/tests/api/fetchRepStatus.unit.spec.js b/src/applications/representative-appoint/tests/api/fetchRepStatus.unit.spec.js
new file mode 100644
index 000000000000..726df18594b7
--- /dev/null
+++ b/src/applications/representative-appoint/tests/api/fetchRepStatus.unit.spec.js
@@ -0,0 +1,69 @@
+import { expect } from 'chai';
+import sinon from 'sinon';
+import environment from '@department-of-veterans-affairs/platform-utilities/environment';
+import fetchRepStatus from '../../api/fetchRepStatus';
+
+describe('fetchRepStatus', () => {
+  let sandbox;
+  let fetchStub;
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+    global.fetch = sandbox.stub(global, 'fetch');
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('should return representative status successfully', async () => {
+    const mockResponse = {
+      ok: true,
+      statusText: 'OK',
+      json: () => Promise.resolve({ data: 'Mocked Data' }),
+    };
+    fetchStub = fetch.resolves(mockResponse);
+
+    const result = await fetchRepStatus();
+
+    const expectedUrl = `${
+      environment.API_URL
+    }/representation_management/v0/power_of_attorney`;
+    sinon.assert.calledWith(fetchStub, expectedUrl, {
+      'Content-Type': 'application/json',
+      mode: 'cors',
+      credentials: 'include',
+      headers: {
+        'Content-Type': 'application/json',
+        'X-Key-Inflection': 'camel',
+      },
+    });
+    expect(result).to.have.nested.property('data', 'Mocked Data');
+  });
+
+  it('should throw an error if the response is not ok', async () => {
+    const mockErrorResponse = {
+      ok: false,
+      statusText: 'Internal Server Error',
+      json: () => Promise.resolve({ error: 'Some error' }),
+    };
+    fetchStub = fetch.resolves(mockErrorResponse);
+
+    try {
+      await fetchRepStatus();
+    } catch (error) {
+      expect(error.message).to.equal('Internal Server Error');
+    }
+  });
+
+  it('should handle errors', async () => {
+    const mockError = new Error('Network error');
+    fetchStub = fetch.rejects(mockError);
+
+    try {
+      await fetchRepStatus();
+    } catch (error) {
+      expect(error).to.equal(mockError);
+    }
+  });
+});
diff --git a/src/applications/representative-appoint/tests/api/fetchRepresentatives.unit.spec.js b/src/applications/representative-appoint/tests/api/fetchRepresentatives.unit.spec.js
new file mode 100644
index 000000000000..8214cade8f55
--- /dev/null
+++ b/src/applications/representative-appoint/tests/api/fetchRepresentatives.unit.spec.js
@@ -0,0 +1,76 @@
+import { expect } from 'chai';
+import sinon from 'sinon';
+import environment from '@department-of-veterans-affairs/platform-utilities/environment';
+import { fetchRepresentatives } from '../../api/fetchRepresentatives';
+import repResults from '../fixtures/data/representative-results.json';
+
+describe('fetchRepresentatives', () => {
+  let sandbox;
+  let fetchStub;
+  const query = 'Bob';
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+    global.fetch = sandbox.stub(global, 'fetch');
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('should call the api with the query param', async () => {
+    const mockResponse = {
+      ok: true,
+      statusText: 'OK',
+      json: () => Promise.resolve({ repResults }),
+    };
+    fetchStub = fetch.resolves(mockResponse);
+
+    await fetchRepresentatives({ query });
+
+    const expectedUrl = `${
+      environment.API_URL
+    }/representation_management/v0/original_entities?query=${query}`;
+
+    sinon.assert.calledWith(fetchStub, expectedUrl);
+  });
+
+  it('returns a list of representatives', async () => {
+    const mockResponse = {
+      ok: true,
+      statusText: 'OK',
+      json: () => Promise.resolve({ repResults }),
+    };
+    fetchStub = fetch.resolves(mockResponse);
+
+    const result = await fetchRepresentatives({ query });
+
+    expect(result.repResults).to.deep.equal(repResults);
+  });
+
+  it('should throw an error if the response is not ok', async () => {
+    const mockErrorResponse = {
+      ok: false,
+      statusText: 'Internal Server Error',
+      json: () => Promise.resolve({ error: 'Some error' }),
+    };
+    fetchStub = fetch.resolves(mockErrorResponse);
+
+    try {
+      await fetchRepresentatives({ query });
+    } catch (error) {
+      expect(error.message).to.equal('Internal Server Error');
+    }
+  });
+
+  it('should handle errors', async () => {
+    const mockError = new Error('Network error');
+    fetchStub = fetch.rejects(mockError);
+
+    try {
+      await fetchRepresentatives({ query });
+    } catch (error) {
+      expect(error).to.equal(mockError);
+    }
+  });
+});
diff --git a/src/applications/representative-appoint/tests/api/generatePDF.unit.spec.js b/src/applications/representative-appoint/tests/api/generatePDF.unit.spec.js
new file mode 100644
index 000000000000..b45710413264
--- /dev/null
+++ b/src/applications/representative-appoint/tests/api/generatePDF.unit.spec.js
@@ -0,0 +1,58 @@
+import { expect } from 'chai';
+import sinon from 'sinon';
+import { mockApiRequest } from 'platform/testing/unit/helpers';
+import { generatePDF } from '../../api/generatePDF';
+import formData from '../fixtures/data/form-data.json';
+import formData2122a from '../fixtures/data/21-22a/form-data.json';
+
+describe('generatePDF', () => {
+  context('when submitting Form 21-22', () => {
+    it('sets the pdfUrl in local storage', async () => {
+      expect(localStorage.getItem('pdfUrl')).to.be.null;
+
+      mockApiRequest({
+        blob: () => new Blob(['my blob'], { type: 'application/pdf' }),
+      });
+
+      const createObjectURL = sinon
+        .stub(URL, 'createObjectURL')
+        .returns('my_stubbed_url.com');
+
+      await generatePDF(formData);
+
+      expect(localStorage.getItem('pdfUrl')).to.eql('my_stubbed_url.com');
+
+      createObjectURL.restore();
+    });
+  });
+
+  context('when submitting Form 21-22a', () => {
+    it('sets the pdfUrl in local storage', async () => {
+      expect(localStorage.getItem('pdfUrl')).to.be.null;
+
+      mockApiRequest({
+        blob: () => new Blob(['my blob'], { type: 'application/pdf' }),
+      });
+
+      const createObjectURL = sinon
+        .stub(URL, 'createObjectURL')
+        .returns('my_stubbed_url.com');
+
+      await generatePDF(formData2122a);
+
+      expect(localStorage.getItem('pdfUrl')).to.eql('my_stubbed_url.com');
+
+      createObjectURL.restore();
+    });
+  });
+
+  it('should handle errors', async () => {
+    mockApiRequest();
+
+    try {
+      await generatePDF(formData);
+    } catch (error) {
+      expect(error).to.not.be.null;
+    }
+  });
+});
diff --git a/src/applications/representative-appoint/tests/api/sendNextStepsEmail.unit.spec.js b/src/applications/representative-appoint/tests/api/sendNextStepsEmail.unit.spec.js
new file mode 100644
index 000000000000..4575249214b5
--- /dev/null
+++ b/src/applications/representative-appoint/tests/api/sendNextStepsEmail.unit.spec.js
@@ -0,0 +1,97 @@
+import { expect } from 'chai';
+import sinon from 'sinon';
+import environment from '@department-of-veterans-affairs/platform-utilities/environment';
+import sendNextStepsEmail from '../../api/sendNextStepsEmail';
+
+describe('sendNextStepsEmail', () => {
+  let sandbox;
+  let fetchStub;
+  const body = {
+    formNumber: '21-22',
+    formName:
+      "Appointment of Veterans Service Organization as Claimant's Representative",
+    firstName: 'Bob',
+    emailAddress: 'test@test,com',
+    entityId: '12345',
+    entityType: 'organization',
+  };
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+    global.fetch = sandbox.stub(global, 'fetch');
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('should call the api with the provided body', async () => {
+    const mockResponse = {
+      ok: true,
+      statusText: 'OK',
+      json: () => Promise.resolve({ message: 'email enqueued' }),
+    };
+    fetchStub = fetch.resolves(mockResponse);
+
+    await sendNextStepsEmail(body);
+
+    const expectedUrl = `${
+      environment.API_URL
+    }/representation_management/v0/next_steps_email`;
+
+    sinon.assert.calledWith(fetchStub, expectedUrl, {
+      body: JSON.stringify(body),
+      credentials: 'include',
+      headers: {
+        'Content-Type': 'application/json',
+        'Sec-Fetch-Mode': 'cors',
+        'Source-App-Name': 'appoint-a-representative',
+        'X-CSRF-Token': null,
+        'X-Key-Inflection': 'camel',
+      },
+      method: 'POST',
+      mode: 'cors',
+    });
+  });
+
+  it('returns the api response as json', async () => {
+    const mockResponse = {
+      ok: true,
+      statusText: 'OK',
+      json: () => Promise.resolve({ message: 'email enqueued' }),
+    };
+    fetchStub = fetch.resolves(mockResponse);
+
+    const result = await sendNextStepsEmail(body);
+
+    expect(result).to.eql({ message: 'email enqueued' });
+  });
+
+  it('should throw an error if the response is not ok', async () => {
+    const mockErrorResponse = {
+      ok: false,
+      statusText: 'Internal Server Error',
+      json: () => Promise.resolve({ error: 'Some error' }),
+    };
+    fetchStub = fetch.resolves(mockErrorResponse);
+    const expectedError =
+      'Error on API request to https://dev-api.va.gov/representation_management/v0/next_steps_email: Internal Server Error. Some error';
+
+    try {
+      await sendNextStepsEmail(body);
+    } catch (error) {
+      expect(error.message).to.equal(expectedError);
+    }
+  });
+
+  it('should handle errors', async () => {
+    const mockError = new Error('Network error');
+    fetchStub = fetch.rejects(mockError);
+
+    try {
+      await sendNextStepsEmail(body);
+    } catch (error) {
+      expect(error).to.equal(mockError);
+    }
+  });
+});