diff --git a/index.js b/index.js
new file mode 100644
index 0000000..7ea178b
--- /dev/null
+++ b/index.js
@@ -0,0 +1,40 @@
+const AWS = require('aws-sdk');
+
+const defaultOptions = {
+    accessKeyId: null
+    , secretAccessKey: null
+    , bucketName: null
+    , bucketRegion: null
+    , directory: ''
+}
+
+const s3 = new AWS.S3({ apiVersion: '2006-03-01' });
+
+module.exports.create = (createOptions) => {
+    const options = Object.assign({}, defaultOptions, createOptions);
+
+    AWS.config.update({
+        region: options.bucketRegion
+        , credentials: new AWS.Credentials({
+            accessKeyId: options.accessKeyId
+            , secretAccessKey: options.secretAccessKey
+        })
+    });
+
+    const handlers = {
+
+        set: (opts) => {
+            return require('./lib/set').set(opts, options, s3);
+        },
+
+        get: (opts) => {
+            return require('./lib/get').get(opts, options, s3);
+        },
+
+        remove: (opts) => {
+            return require('./lib/remove').remove(opts, options, s3);
+        }
+    };
+
+    return handlers;
+};
\ No newline at end of file
diff --git a/lib/get.js b/lib/get.js
new file mode 100644
index 0000000..1d713d4
--- /dev/null
+++ b/lib/get.js
@@ -0,0 +1,12 @@
+module.exports.get = (opts, options, s3) => {
+    let challengeKey = options.directory + opts.challenge.token;
+    return s3.getObject({ Key: challengeKey, Bucket: options.bucketName }).promise().then(function (data) {
+        console.log('Successfully retrieved challenge.' + data.Body.toString());
+        return {
+            keyAuthorization: data.Body.toString()
+        }
+    }).catch(function (err) {
+        console.error(err.message);
+        return null;
+    });
+}
\ No newline at end of file
diff --git a/lib/remove.js b/lib/remove.js
new file mode 100644
index 0000000..57a820c
--- /dev/null
+++ b/lib/remove.js
@@ -0,0 +1,10 @@
+module.exports.remove = (opts, options, s3) => {
+    challengeKey = options.directory + opts.challenge.token;
+    return s3.deleteObject({ Key: challengeKey, Bucket: options.bucketName }).promise().then(function (data) {
+        console.log('Successfully deleted challenge.');
+        return data;
+    }).catch(function (err) {
+        console.error('There was an error deleting your challenge: ', err.message);
+        throw err;
+    });
+}
\ No newline at end of file
diff --git a/lib/set.js b/lib/set.js
new file mode 100644
index 0000000..fdebe2a
--- /dev/null
+++ b/lib/set.js
@@ -0,0 +1,14 @@
+const path = require('path');
+
+module.exports.set = (opts, options, s3) => {
+    var challengeKey = path.join(options.directory, opts.challenge.token);
+    console.log(challengeKey);
+
+    return s3.putObject({ Key: challengeKey, Body: opts.challenge.keyAuthorization, Bucket: options.bucketName }).promise().then(function (data) {
+        console.log('Successfully created challenge.');
+        return null;
+    }).catch(function (err) {
+        console.error('There was an error creating your challenge: ' + err.message);
+        throw err;
+    });
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 74b64a1..165ee47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,6 +46,12 @@
       "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
       "integrity": "sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ="
     },
+    "greenlock-challenge-test": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/greenlock-challenge-test/-/greenlock-challenge-test-3.0.2.tgz",
+      "integrity": "sha512-0C4R6ETUrmBKxjsV9r8HsL+5DRpfoNR4LaGngNsznXr6MyZQBPEojpGECObkalRHN4qkLkq8qP7eusXyXXOj0Q==",
+      "dev": true
+    },
     "ieee754": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
diff --git a/package.json b/package.json
index 53af398..8f9fff5 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,8 @@
   },
   "homepage": "https://github.com/cderche/greenlock-challenge-s3#readme",
   "devDependencies": {
-    "dotenv": "^8.0.0"
+    "dotenv": "^8.0.0",
+    "greenlock-challenge-test": "^3.0.2"
   },
   "dependencies": {
     "aws-sdk": "^2.451.0"
diff --git a/test.js b/test.js
new file mode 100644
index 0000000..92b014f
--- /dev/null
+++ b/test.js
@@ -0,0 +1,29 @@
+console.log('Testing the challenge.');
+
+require('dotenv').config();
+
+let accessKeyId = process.env.AWS_ACCESS_KEY_ID
+secretAccessKey = process.env.AWS_SECRET_ACCESS_KEY
+regionName = process.env.AWS_BUCKET_REGION
+bucketName = process.env.AWS_BUCKET_NAME
+
+let tester = require('greenlock-challenge-test');
+
+let challenger = require('./index').create({
+    accessKeyId: accessKeyId
+    , secretAccessKey: secretAccessKey
+    , regionName: regionName
+    , bucketName: bucketName
+    , directory: ''
+    , debug: true
+});
+
+let domain = 'example.com';
+
+// All of these tests can pass locally, standalone without any ACME integration.
+tester.test('http-01', domain, challenger).then(() => {
+    console.info("Test completed successfully.");
+}).catch((err) => {
+    console.error(err.message);
+    throw err;
+});
\ No newline at end of file