diff --git a/config.dev.yaml b/config.dev.yaml
index 39fe097..f460a60 100644
--- a/config.dev.yaml
+++ b/config.dev.yaml
@@ -87,6 +87,10 @@ services:
           api: http://matxin.elhuyar.eus/API
           languages: config/Matxin.yaml
           key: null
+        ColorfulClouds:
+          api: https://api.interpreter.caiyunai.com
+          languages: config/ColorfulClouds.yaml
+          key: null
       dictionary:
         Dictd:
           languages: config/Dictd.yaml
diff --git a/config/ColorfulClouds.yaml b/config/ColorfulClouds.yaml
index e69de29..a0914b0 100644
--- a/config/ColorfulClouds.yaml
+++ b/config/ColorfulClouds.yaml
@@ -0,0 +1,7 @@
+en:
+  - zh
+ja:
+  - zh
+zh:
+  - ja
+  - en
diff --git a/config/mt-defaults.wikimedia.yaml b/config/mt-defaults.wikimedia.yaml
index f0537a0..10f9629 100644
--- a/config/mt-defaults.wikimedia.yaml
+++ b/config/mt-defaults.wikimedia.yaml
@@ -981,3 +981,9 @@
 'is-sv': Apertium
 'kk-tt': Apertium
 'hi-ur': Apertium
+'en-zh': ColorfulClouds
+'ja-zh': ColorfulClouds
+'zh-en': ColorfulClouds
+'zh-ja': ColorfulClouds
+
+
diff --git a/lib/mt/ColorfulClouds.js b/lib/mt/ColorfulClouds.js
index e69de29..76208c5 100644
--- a/lib/mt/ColorfulClouds.js
+++ b/lib/mt/ColorfulClouds.js
@@ -0,0 +1,100 @@
+'use strict';
+
+const preq = require( 'preq' ),
+	MTClient = require( './MTClient.js' );
+
+class ColorfulClouds extends MTClient {
+
+	/**
+	 * Translate html or plain text content with Yandex.
+	 * Yandex is capable of translating plain text and html with
+	 * annotations mapping (keeps markup retained in translated content).
+	 * Hence overriding translate method of MTClient.
+	 *
+	 * @param {string} sourceLang Source language code
+	 * @param {string} targetLang Target language code
+	 * @param {string} sourceText Source language text
+	 * @return {Q.Promise} Target language text
+	 */
+	translateText( sourceLang, targetLang, sourceText ) {
+		var key, postData;
+
+		key = this.conf.mt.ColorfulClouds.key;
+		if ( key === null ) {
+			return Promise.reject( new Error( 'ColorfulClouds service is misconfigured' ) );
+		}
+
+		if ( sourceText.length > 10000 ) {
+			return Promise.reject( new Error( 'Source text too long: ' +
+				sourceLang + '-' + targetLang ) );
+		}
+
+		postData = {
+			uri: this.conf.mt.ColorfulClouds.api + '/v1/translator',
+			headers: {
+				'x-authorization': 'token ' + key,
+				'cache-control': 'no-cache',
+				'content-type': 'application/json'
+			},
+			body: {
+				request_id: 'wikimedia', replaced: true, cached: true,
+				trans_type: sourceLang + '2' + targetLang,
+				source: [ sourceText ]
+			}
+		};
+
+		return preq.post( postData )
+			.then( ( response ) => {
+				var target, body = response.body;
+				if ( 'target' in body ) {
+					target = response.body.target;
+					if ( target instanceof Array ) {
+						return target.join( '' );
+					} else {
+						return target;
+					}
+				} else {
+					if ( response.status === 200 ) {
+						throw new Error( 'Translation with ColorfulClouds failed. Error: ' +
+                            this.getErrorName( response.body.error ) +
+                            ` for ${sourceLang} + '>' + ${targetLang}: ` );
+					} else {
+						throw new Error( 'Translation with ColorfulClouds failed. Error: ' +
+                            this.getErrorName( response.status ) +
+                            ` for ${sourceLang} + '>' + ${targetLang}: ` );
+					}
+				}
+			} );
+	}
+
+	/**
+	 * Returns error name from error code.
+	 *
+	 * @param {number} code Error code
+	 * @return {string}
+	 */
+	getErrorName( code ) {
+		const errormap = {
+			200: 'ERR_OK',
+			401: 'ERR_KEY_INVALID',
+			402: 'ERR_KEY_BLOCKED',
+			403: 'ERR_DAILY_REQ_LIMIT_EXCEEDED',
+			404: 'ERR_DAILY_CHAR_LIMIT_EXCEEDED',
+			413: 'ERR_TEXT_TOO_LONG',
+			422: 'ERR_UNPROCESSABLE_TEXT',
+			501: 'ERR_LANG_NOT_SUPPORTED'
+		};
+
+		if ( code in errormap ) {
+			return errormap[ code ];
+		}
+
+		return `${code}`;
+	}
+
+	requiresAuthorization() {
+		return false;
+	}
+}
+
+module.exports = ColorfulClouds;
diff --git a/lib/mt/index.js b/lib/mt/index.js
index d05029a..25f1415 100644
--- a/lib/mt/index.js
+++ b/lib/mt/index.js
@@ -5,5 +5,6 @@ module.exports = {
 	Matxin: require( './Matxin' ),
 	TestClient: require( './TestClient' ),
 	Yandex: require( './Yandex' ),
-	Youdao: require( './Youdao' )
+	Youdao: require( './Youdao' ),
+	ColorfulClouds: require( './ColorfulClouds' )
 };
diff --git a/spec.yaml b/spec.yaml
index 1cfdd81..085ca22 100644
--- a/spec.yaml
+++ b/spec.yaml
@@ -180,6 +180,7 @@ paths:
           enum:
            - Apertium
            - Matxin
+           - ColorfulClouds
         - name: html
           in: formData
           description: The HTML or plaintext content to translate
@@ -335,6 +336,7 @@ paths:
           required: false
           enum:
            - Apertium
+           - ColorfulClouds
         - name: html
           in: formData
           description: The HTML content to translate