diff --git a/integrationTests/Files/getFileById.spec.ts b/integrationTests/Files/getFileById.spec.ts
index fec3840..4c58bed 100644
--- a/integrationTests/Files/getFileById.spec.ts
+++ b/integrationTests/Files/getFileById.spec.ts
@@ -145,7 +145,7 @@ describe('getFileById', function () {
     const client = new OnspringClient(baseURL, apiKey);
 
     if (process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP === undefined) {
-      expect.fail('EST_ATTACHMENT_FIELD_NO_ACCESS_APP is not defined');
+      expect.fail('TEST_ATTACHMENT_FIELD_NO_ACCESS_APP is not defined');
     }
 
     const fieldId = parseInt(process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP);
diff --git a/integrationTests/Files/getFileInfoById.spec.ts b/integrationTests/Files/getFileInfoById.spec.ts
index c35c099..b10a37d 100644
--- a/integrationTests/Files/getFileInfoById.spec.ts
+++ b/integrationTests/Files/getFileInfoById.spec.ts
@@ -153,7 +153,7 @@ describe('getFileInfoById', function () {
     const client = new OnspringClient(baseURL, apiKey);
 
     if (process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP === undefined) {
-      expect.fail('EST_ATTACHMENT_FIELD_NO_ACCESS_APP is not defined');
+      expect.fail('TEST_ATTACHMENT_FIELD_NO_ACCESS_APP is not defined');
     }
 
     const fieldId = parseInt(process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP);
diff --git a/integrationTests/Files/saveFile.spec.ts b/integrationTests/Files/saveFile.spec.ts
new file mode 100644
index 0000000..7e527d0
--- /dev/null
+++ b/integrationTests/Files/saveFile.spec.ts
@@ -0,0 +1,290 @@
+import { OnspringClient, SaveFileRequest } from '../../src/index';
+import { expect } from 'chai';
+import { baseURL, apiKey } from '../mochaRootHooks';
+import fs from 'fs';
+import path from 'path';
+
+describe('saveFile', function () {
+  this.timeout(30000);
+  this.retries(3);
+
+  // Delete any files that were created during the test
+  const newFileIds: number[] = [];
+
+  after(async function () {
+    for (const newFileId of newFileIds) {
+      await deleteFile(newFileId);
+    }
+  });
+
+  it('should save a file into an attachment field', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_RECORD === undefined) {
+      expect.fail('TEST_RECORD is not defined');
+    }
+
+    if (process.env.TEST_ATTACHMENT_FIELD === undefined) {
+      expect.fail('TEST_ATTACHMENT_FIELD is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      parseInt(process.env.TEST_RECORD),
+      parseInt(process.env.TEST_ATTACHMENT_FIELD),
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(201);
+    expect(response.isSuccessful).to.be.true;
+    expect(response.message).to.equal('');
+    expect(response.data).to.not.be.null;
+
+    if (response.data != null) {
+      expect(response.data.id).to.not.be.null;
+      newFileIds.push(response.data.id);
+    }
+  });
+
+  it('should save a file into an image field', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_RECORD === undefined) {
+      expect.fail('TEST_RECORD is not defined');
+    }
+
+    if (process.env.TEST_IMAGE_FIELD === undefined) {
+      expect.fail('TEST_IMAGE_FIELD is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-image.jpeg');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      parseInt(process.env.TEST_RECORD),
+      parseInt(process.env.TEST_IMAGE_FIELD),
+      'notes',
+      new Date(),
+      'test-image.jpeg',
+      'image/jpeg',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(201);
+    expect(response.isSuccessful).to.be.true;
+    expect(response.message).to.equal('');
+    expect(response.data).to.not.be.null;
+
+    if (response.data != null) {
+      expect(response.data.id).to.not.be.null;
+      newFileIds.push(response.data.id);
+    }
+  });
+
+  it('should return a 400 response when fieldId is not for a file field', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_RECORD === undefined) {
+      expect.fail('TEST_RECORD is not defined');
+    }
+
+    if (process.env.TEST_TEXT_FIELD === undefined) {
+      expect.fail('TEST_TEXT_FIELD is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      parseInt(process.env.TEST_RECORD),
+      parseInt(process.env.TEST_TEXT_FIELD),
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(400);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.not.be.null.and.not.be.undefined;
+    expect(response.data).to.be.null;
+  });
+
+  it('should return a 401 response when the api key is invalid', async function () {
+    const client = new OnspringClient(baseURL, 'invalid');
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      1,
+      1,
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(401);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.be.undefined;
+    expect(response.data).to.be.null;
+  });
+
+  it('should return a 403 response when the api key does not have access to the field where the file is held', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_FIELD === undefined) {
+      expect.fail('TEST_ATTACHMENT_FIELD_NO_ACCESS_FIELD is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      1,
+      parseInt(process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_FIELD),
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(403);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.not.be.null.and.to.not.be.undefined;
+    expect(response.data).to.be.null;
+  });
+
+  it('should return a 403 response when the api key does not have access to the app where the file is held', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP === undefined) {
+      expect.fail('TEST_ATTACHMENT_FIELD_NO_ACCESS_APP is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      1,
+      parseInt(process.env.TEST_ATTACHMENT_FIELD_NO_ACCESS_APP),
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(403);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.not.be.null.and.to.not.be.undefined;
+    expect(response.data).to.be.null;
+  });
+
+  it('should return a 404 response when the file field cannot be found', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      1,
+      0,
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(404);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.not.be.null.and.to.not.be.undefined;
+    expect(response.data).to.be.null;
+  });
+
+  it('should return a 404 response when the file record cannot be found', async function () {
+    const client = new OnspringClient(baseURL, apiKey);
+
+    if (process.env.TEST_ATTACHMENT_FIELD === undefined) {
+      expect.fail('TEST_ATTACHMENT_FIELD is not defined');
+    }
+
+    const currentDirectory = __dirname;
+    const parentDirectory = path.resolve(currentDirectory, '..');
+    const filePath = path.join(parentDirectory, 'testData/test-attachment.txt');
+    const fileStream = fs.createReadStream(filePath);
+
+    const request = new SaveFileRequest(
+      0,
+      parseInt(process.env.TEST_ATTACHMENT_FIELD),
+      'notes',
+      new Date(),
+      'test-attachment.txt',
+      'text/plain',
+      fileStream
+    );
+
+    const response = await client.saveFile(request);
+
+    expect(response.statusCode).to.equal(404);
+    expect(response.isSuccessful).to.be.false;
+    expect(response.message).to.not.be.null.and.to.not.be.undefined;
+    expect(response.data).to.be.null;
+  });
+});
+
+async function deleteFile(newFileId: number): Promise<void> {
+  const client = new OnspringClient(baseURL, apiKey);
+
+  if (
+    process.env.TEST_RECORD === undefined ||
+    process.env.TEST_ATTACHMENT_FIELD === undefined
+  ) {
+    return;
+  }
+
+  await client.deleteFileById(
+    parseInt(process.env.TEST_RECORD),
+    parseInt(process.env.TEST_ATTACHMENT_FIELD),
+    newFileId
+  );
+}
diff --git a/integrationTests/testData/test-attachment.txt b/integrationTests/testData/test-attachment.txt
new file mode 100644
index 0000000..3eae1d0
--- /dev/null
+++ b/integrationTests/testData/test-attachment.txt
@@ -0,0 +1 @@
+This is a test attachment.
\ No newline at end of file
diff --git a/integrationTests/testData/test-image.jpeg b/integrationTests/testData/test-image.jpeg
new file mode 100644
index 0000000..b493033
Binary files /dev/null and b/integrationTests/testData/test-image.jpeg differ
diff --git a/src/index.ts b/src/index.ts
index cd13ae9..95acd23 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 import { OnspringClient } from './models/OnspringClient';
 import { PagingRequest } from './models/PagingRequest';
+import { SaveFileRequest } from './models/SaveFileRequest';
 
-export { OnspringClient, PagingRequest };
+export { OnspringClient, PagingRequest, SaveFileRequest };
diff --git a/src/models/EndpointFactory.ts b/src/models/EndpointFactory.ts
index 1f6aa99..b96430a 100644
--- a/src/models/EndpointFactory.ts
+++ b/src/models/EndpointFactory.ts
@@ -88,7 +88,7 @@ export class EndpointFactory {
     fieldId: number,
     fileId: number
   ): string {
-    return `/Files/recordId/${recordId}/fieldId/${fieldId}/fileId/${fileId}/file`;
+    return `/Files/recordId/${recordId}/fieldId/${fieldId}/fileId/${fileId}`;
   }
 
   /**
diff --git a/tests/EndpointFactory.spec.ts b/tests/EndpointFactory.spec.ts
index 82e41b0..50b3a99 100644
--- a/tests/EndpointFactory.spec.ts
+++ b/tests/EndpointFactory.spec.ts
@@ -61,7 +61,7 @@ describe('EndpointFactory', function () {
   describe('getDeleteFileByIdEndpoint', function () {
     it('should return the correct delete file endpoint', function () {
       const result = EndpointFactory.getDeleteFileByIdEndpoint(1, 2, 3);
-      expect(result).to.equal('/Files/recordId/1/fieldId/2/fileId/3/file');
+      expect(result).to.equal('/Files/recordId/1/fieldId/2/fileId/3');
     });
   });