diff --git a/README.md b/README.md
index 0419052..03df6fc 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Omise.config('pkey_test_596un7xggnyo73nm7an', '2015-11-17');
 ```
 
 ## Usage
-
+### Create a token
 ```
 const data = await Omise.createToken({
     'card': {
@@ -30,7 +30,18 @@ const data = await Omise.createToken({
         'expiration_year': 2018,
         'security_code': 123
     }
-    });
+});
+
+console.log("data", data);
+```
+
+### Create a source
+```
+const data = await Omise.createSource(
+    'type': 'internet_banking_bbl',
+    'amount': 500000,
+    'currency': 'thb'
+});
 
-    console.log("data", data);
+console.log("data", data);
 ```
\ No newline at end of file
diff --git a/index.js b/index.js
index f72d9ff..e1429e1 100644
--- a/index.js
+++ b/index.js
@@ -1,35 +1,100 @@
 const base64 = require("base-64");
 const pkgConfig = require("./package.json");
-const tokenEndpoint = "https://vault.omise.co/tokens";
+const vaultEndpoint = "https://vault.omise.co/";
+const apiEndpoint = "https://api.omise.co/";
 
 let _publicKey;
 let _apiVersion;
+
+/**
+ * ReactNativeOmise
+ */
 class ReactNativeOmise {
 
+    /**
+     * constructor
+     */
+    constructor() {
+        this.createSource = this.createSource.bind(this);
+        this.createToken = this.createToken.bind(this);
+    }
+
+    /**
+     * To set a public key and API version
+     * @param {String} publicKey 
+     * @param {String} apiVersion 
+     */
     config(publicKey, apiVersion = "2015-11-17") {
         _publicKey = publicKey;
         _apiVersion = apiVersion;
     }
 
+    /**
+     * Get headers
+     * @return {*} headers
+     */
+    getHeaders() {
+        let headers = new Headers();
+        headers.append('Authorization', 'Basic ' + base64.encode(_publicKey + ":"));
+        headers.append('User-Agent', pkgConfig.name + "/" + pkgConfig.version);
+        headers.append('Content-Type', 'application/json');
+
+        if (_apiVersion && _apiVersion !== "") {
+            headers.append('Omise-Version', _apiVersion);
+        }
+
+        return headers;
+    }
+
+    /**
+     * Create a token
+     * @param {*} data 
+     */
     createToken(data) {
+        const tokenEndpoint = vaultEndpoint + "tokens";
+        // set headers
+        let headers = this.getHeaders();
+
         return new Promise((resolve, reject) => {
             // verify a public key
             if (!_publicKey || _publicKey === "") {
                 reject("Please config your public key");
                 return;
             }
+            
+            return fetch(tokenEndpoint, {
+                method: 'POST',
+                cache: 'no-cache',
+                headers: headers,
+                body: JSON.stringify(data)
+            }).then((response) => {
+                if (response.ok && response.status === 200) {
+                    resolve(response.json());
+                } else {
+                    console.log("response not ok", response);
+                    reject(response.json());
+                }
+            }).catch((error) => resolve(error));
+        });
+    }
 
-            // set headers
-            let headers = new Headers();
-            headers.append('Authorization', 'Basic ' + base64.encode(_publicKey + ":"));
-            headers.append('User-Agent', pkgConfig.name + "/" + pkgConfig.version);
-            headers.append('Content-Type', 'application/json');
+    /**
+     * Create a source
+     * @param {*} data 
+     */
+    createSource(data) {
+        const sourceEndpoint = apiEndpoint + "sources";
+        // set headers
+        let headers = this.getHeaders();
 
-            if (_apiVersion && _apiVersion !== "") {
-                headers.append('Omise-Version', _apiVersion);
+        return new Promise((resolve, reject) => {
+            // verify a public key
+            if (!_publicKey || _publicKey === "") {
+                reject("Please config your public key");
+                return;
             }
             
-            fetch(tokenEndpoint, {
+            return fetch(sourceEndpoint, {
                 method: 'POST',
                 cache: 'no-cache',
                 headers: headers,
@@ -51,5 +116,6 @@ const reactNativeOmise = new ReactNativeOmise();
 
 module.exports = {
     config: reactNativeOmise.config,
-    createToken: reactNativeOmise.createToken
+    createToken: reactNativeOmise.createToken,
+    createSource: reactNativeOmise.createSource
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index c8f9ac6..87d93b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,13 +1,19 @@
 {
   "name": "omise-react-native",
-  "version": "0.0.1",
+  "version": "0.0.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "assertion-error": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
+      "dev": true
+    },
+    "balanced-match": {
       "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.0.0.tgz",
-      "integrity": "sha1-x/hUOP3UZrx8oWq5DIFRN5el0js=",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
     "base-64": {
@@ -15,120 +21,178 @@
       "resolved": "https://registry.npmjs.org/base-64/-/base-64-0.1.0.tgz",
       "integrity": "sha1-eAqZyE59YAJgNhURxId2E78k9rs="
     },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "browser-stdout": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
+      "dev": true
+    },
     "chai": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-2.3.0.tgz",
-      "integrity": "sha1-ii9qNHSNqAEJD9cyh7Kqc5pOkJo=",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.1.2.tgz",
+      "integrity": "sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw=",
       "dev": true,
       "requires": {
-        "assertion-error": "1.0.0",
-        "deep-eql": "0.1.3"
+        "assertion-error": "1.1.0",
+        "check-error": "1.0.2",
+        "deep-eql": "3.0.1",
+        "get-func-name": "2.0.0",
+        "pathval": "1.1.0",
+        "type-detect": "4.0.8"
       }
     },
+    "check-error": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII=",
+      "dev": true
+    },
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-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.3.0.tgz",
-      "integrity": "sha1-/UMOiJgy7DU7ms0d4hfBHLPu+HM=",
+      "version": "2.15.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
+      "dev": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
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+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
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-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-0.1.3.tgz",
-      "integrity": "sha1-71WKyrjeJSBs1xOQbXTlaTDrafI=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+      "integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
       "dev": true,
       "requires": {
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       }
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-          "integrity": "sha1-+mihT2qUXVTbvlDYzbMyDp47GgY=",
-          "dev": true
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-        "mkdirp": {
-          "version": "0.3.0",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.3.0.tgz",
-          "integrity": "sha1-G79asbqCevI1dRQ0kEJkVfSB/h4=",
-          "dev": true
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+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
+      "dev": true
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-      "version": "2.7.3",
-      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
-      "integrity": "sha1-bUUk6LlV+V1PW1iFHOId1y+06VI=",
+    "lodash": {
+      "version": "4.17.10",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
+      "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg==",
       "dev": true
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     "minimatch": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-0.3.0.tgz",
-      "integrity": "sha1-J12O2qxPG7MyZHIInnlJyDlGmd0=",
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
       "dev": true,
       "requires": {
-        "lru-cache": "2.7.3",
-        "sigmund": "1.0.1"
+        "brace-expansion": "1.1.11"
       }
     },
     "minimist": {
@@ -147,38 +211,22 @@
       }
     },
     "mocha": {
-      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/mocha/-/mocha-2.5.3.tgz",
-      "integrity": "sha1-FhvlvetJZ3HrmzV0UFC2IrWu/Fg=",
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.2.0.tgz",
+      "integrity": "sha512-2IUgKDhc3J7Uug+FxMXuqIyYzH7gJjXECKe/w43IGgQHTSj3InJi+yAA7T24L9bQMRKiUEHxEX37G5JpVUGLcQ==",
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-        "commander": "2.3.0",
-        "debug": "2.2.0",
-        "diff": "1.4.0",
-        "escape-string-regexp": "1.0.2",
-        "glob": "3.2.11",
-        "growl": "1.9.2",
-        "jade": "0.26.3",
+        "browser-stdout": "1.3.1",
+        "commander": "2.15.1",
+        "debug": "3.1.0",
+        "diff": "3.5.0",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.2",
+        "growl": "1.10.5",
+        "he": "1.1.1",
+        "minimatch": "3.0.4",
         "mkdirp": "0.5.1",
-        "supports-color": "1.2.0",
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-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
-          "dev": true,
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-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg=",
-          "dev": true
-        }
+        "supports-color": "5.4.0"
       }
     },
     "ms": {
@@ -188,79 +236,86 @@
       "dev": true
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-      "version": "0.59.1",
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-      "integrity": "sha1-ccA2PXLSdybN6n3gBFC6JhCqPoo=",
+      "version": "9.3.3",
+      "resolved": "https://registry.npmjs.org/nock/-/nock-9.3.3.tgz",
+      "integrity": "sha512-FBgnx25er2ly7KBr0Est5F0z5g+lnyr6a72vZI1KMi7nTL4ojU6XpFhlrfw6CXRdnT2FA5i8exHiT1uVNUM1qA==",
       "dev": true,
       "requires": {
-        "chai": "1.10.0",
-        "debug": "1.0.5",
-        "lodash": "2.4.1",
+        "chai": "4.1.2",
+        "debug": "3.1.0",
+        "deep-equal": "1.0.1",
+        "json-stringify-safe": "5.0.1",
+        "lodash": "4.17.10",
         "mkdirp": "0.5.1",
-        "propagate": "0.3.1"
-      },
-      "dependencies": {
-        "chai": {
-          "version": "1.10.0",
-          "resolved": "https://registry.npmjs.org/chai/-/chai-1.10.0.tgz",
-          "integrity": "sha1-5AMcyHZURhp1lD5aNatG6vOcHrk=",
-          "dev": true,
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-            "assertion-error": "1.0.0",
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-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "lodash": {
-          "version": "2.4.1",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-2.4.1.tgz",
-          "integrity": "sha1-W3cjA03aTSYuWkb7LFjXzCL3FCA=",
-          "dev": true
-        }
+        "propagate": "1.0.0",
+        "qs": "6.5.2",
+        "semver": "5.5.0"
       }
     },
     "node-fetch": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.1.tgz",
-      "integrity": "sha1-NpynC4L1DIZJYQSmx3bSdPTkotQ=",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.1.2.tgz",
+      "integrity": "sha1-q4hOjn5X44qUR1POxwb3iNF2i7U=",
       "dev": true
     },
-    "propagate": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/propagate/-/propagate-0.3.1.tgz",
-      "integrity": "sha1-46hEBKfs6CDda76p9tkk4xNa4Jw=",
-      "dev": true
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
     },
-    "sigmund": {
+    "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/sigmund/-/sigmund-1.0.1.tgz",
-      "integrity": "sha1-P/IfGYytIXX587eBhT/ZTQ0ZtZA=",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
-    "supports-color": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-1.2.0.tgz",
-      "integrity": "sha1-/x7R5hFp0Gs88tWI4YixjYhH4X4=",
+    "pathval": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
+      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+      "dev": true
+    },
+    "propagate": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/propagate/-/propagate-1.0.0.tgz",
+      "integrity": "sha1-AMLa7t2iDofjeCs0Stuhzd1q1wk=",
+      "dev": true
+    },
+    "qs": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
       "dev": true
     },
-    "to-iso-string": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/to-iso-string/-/to-iso-string-0.0.2.tgz",
-      "integrity": "sha1-TcGeZk38y+Jb2NtQiwDG2hWCVdE=",
+    "semver": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
+      "integrity": "sha512-4SJ3dm0WAwWy/NVeioZh5AntkdJoWKxHxcmyP622fOkgHa4z3R0TdBJICINyaSDE6uNwVc8gZr+ZinwZAH4xIA==",
       "dev": true
     },
+    "supports-color": {
+      "version": "5.4.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
+      "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
+      "dev": true,
+      "requires": {
+        "has-flag": "3.0.0"
+      }
+    },
     "type-detect": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-0.1.1.tgz",
-      "integrity": "sha1-C6XsKohWQORw6k6FBZcZANrFiCI=",
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index 519348d..4345a89 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "omise-react-native",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "private": false,
   "description": "",
   "main": "index.js",
@@ -23,10 +23,10 @@
     "base-64": "^0.1.0"
   },
   "devDependencies": {
-    "chai": "^2.0.0",
-    "mocha": "^2.1.0",
-    "nock": "^0.59.1",
-    "node-fetch": "^2.1.1",
-    "fetch-ponyfill": "^6.0.0"
+    "chai": "^4.1.2",
+    "mocha": "^5.2.0",
+    "nock": "^9.3.3",
+    "node-fetch": "^2.1.2",
+    "fetch-ponyfill": "^6.0.2"
   }
 }
diff --git a/test/mocks/sources_create.js b/test/mocks/sources_create.js
new file mode 100644
index 0000000..6cf2281
--- /dev/null
+++ b/test/mocks/sources_create.js
@@ -0,0 +1,21 @@
+const nock = require("nock");
+nock("https://api.omise.co")
+  .persist()
+  .post("/sources")
+  .reply(
+    200,
+    {
+      object: "source",
+      id: "src_test_5cd1vt51zdjrmy2leyg",
+      livemode: false,
+      location: "/sources/src_test_5cd1vt51zdjrmy2leyg",
+      type: "internet_banking_bbl",
+      flow: "redirect",
+      amount: 500000,
+      currency: "thb"
+    },
+    {
+      server: "nginx/1.1",
+      "content-type": "application/json"
+    }
+  );
diff --git a/test/mocks/sources_create_error_api_version.js b/test/mocks/sources_create_error_api_version.js
new file mode 100644
index 0000000..c85cdbb
--- /dev/null
+++ b/test/mocks/sources_create_error_api_version.js
@@ -0,0 +1,17 @@
+const nock = require("nock");
+nock("https://api.omise.co")
+  .persist()
+  .post("/sources")
+  .reply(
+    200,
+    {
+      object: "error",
+      location: "https://www.omise.co/api-errors#service-not-found",
+      code: "service_not_found",
+      message: "you are using api version which does not support this operation"
+    },
+    {
+      server: "nginx/1.1",
+      "content-type": "application/json"
+    }
+  );
diff --git a/test/mocks/tokens_create.js b/test/mocks/tokens_create.js
index 2e824c1..7c753ca 100644
--- a/test/mocks/tokens_create.js
+++ b/test/mocks/tokens_create.js
@@ -1,11 +1,15 @@
-var nock = require('nock');
-nock('https://vault.omise.co')
-    .persist()
-    .post('/tokens')
-    .reply(200, {
-        'id': 'tokn_test_4xs9408a642a1htto8z',
-        'card': { 'id': 'card_test_4xs94086bpvq56tghuo' },
-    }, {
-            'server': 'nginx/1.1',
-            'content-type': 'application/json',
-        });
\ No newline at end of file
+const nock = require("nock");
+nock("https://vault.omise.co")
+  .persist()
+  .post("/tokens")
+  .reply(
+    200,
+    {
+      id: "tokn_test_4xs9408a642a1htto8z",
+      card: { id: "card_test_4xs94086bpvq56tghuo" }
+    },
+    {
+      server: "nginx/1.1",
+      "content-type": "application/json"
+    }
+  );
diff --git a/test/testHelper.js b/test/testHelper.js
index 4f036c6..93293d6 100644
--- a/test/testHelper.js
+++ b/test/testHelper.js
@@ -7,4 +7,10 @@ module.exports = {
             require(['./mocks', name].join('/'));
         }
     },
+    cleanAll: function() {
+        if (process.env.NOCK_OFF !== 'true') {
+            const nock = require("nock");
+            nock.cleanAll();
+        }
+    }
 };
\ No newline at end of file
diff --git a/test/test_omise_sources.js b/test/test_omise_sources.js
new file mode 100644
index 0000000..6544e27
--- /dev/null
+++ b/test/test_omise_sources.js
@@ -0,0 +1,66 @@
+const chai = require('chai');
+const expect = chai.expect;
+const should = chai.should();
+
+// const config = require('./config');
+const reactNativeOmise = require('../index');
+const testHelper = require('./testHelper');
+
+describe('Omise', function () {
+    describe('#Sources', function () {
+
+        beforeEach(function () {
+            global.fetch = require('node-fetch');
+            global.Headers = require('fetch-ponyfill')().Headers;
+        });
+
+
+        let sourceId = '';
+        it('should be able to create a source', function (done) {
+            testHelper.cleanAll();
+            testHelper.setupMock('sources_create');
+
+            let sourceDetails = {
+                'type': 'internet_banking_bbl',
+                'amount': 500000,
+                'currency': 'thb'
+            };
+
+            reactNativeOmise.config('pkey_test_xxxxxxx', '2017-11-02');
+            reactNativeOmise.createSource(sourceDetails)
+                .then(function (resp) {
+                    should.exist(resp.id);
+                    sourceId = resp.id;
+                    expect(sourceId).to.contains('src_test');
+                    should.exist(resp.type);
+                    expect(resp.type).to.contains('internet_banking_bbl');
+                    done();
+                }).catch(error => {
+                    done(error);
+                });
+        });
+
+        it('should not be able to create a source', function (done) {
+            testHelper.cleanAll();
+            testHelper.setupMock('sources_create_error_api_version');
+
+            let sourceDetails = {
+                'type': 'internet_banking_bbl',
+                'amount': 500000,
+                'currency': 'thb'
+            };
+
+            reactNativeOmise.config('pkey_test_xxxxxxx');
+            reactNativeOmise.createSource(sourceDetails)
+                .then(function (resp) {
+                    should.exist(resp.object);
+                    expect(resp.object).to.contains('error');
+                    should.exist(resp.code);
+                    expect(resp.code).to.contains('service_not_found');
+                    done();
+                }).catch(error => {
+                    done(error);
+                });
+        });
+    });
+});
\ No newline at end of file