diff --git a/README.md b/README.md
index 73b0b64..29d12dc 100644
--- a/README.md
+++ b/README.md
@@ -11,4 +11,5 @@
 		> Long: `Yj3ryVkyOzDg6UbEHkWiNkNZcbbR5wTwtm6TZ6F7OLCI`
 		>
 		> Invalid: `bZLMOC157NAlKtFP3wHXkXj0eLAu6E/Bv6rGL4HLQ===`
-
+- [x] build url from component parts
+- [ ] fetch data from url
diff --git a/package-lock.json b/package-lock.json
index 02f7b8a..2c054b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,9 +5,17 @@
   "packages": {
     "": {
       "devDependencies": {
-        "typescript": "^4.7.4"
+        "@types/node": "^18.7.1",
+        "typescript": "^4.7.4",
+        "xmlhttprequest": "^1.8.0"
       }
     },
+    "node_modules/@types/node": {
+      "version": "18.7.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.1.tgz",
+      "integrity": "sha512-GKX1Qnqxo4S+Z/+Z8KKPLpH282LD7jLHWJcVryOflnsnH+BtSDfieR6ObwBMwpnNws0bUK8GI7z0unQf9bARNQ==",
+      "dev": true
+    },
     "node_modules/typescript": {
       "version": "4.7.4",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.4.tgz",
@@ -20,14 +28,35 @@
       "engines": {
         "node": ">=4.2.0"
       }
+    },
+    "node_modules/xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha512-58Im/U0mlVBLM38NdZjHyhuMtCqa61469k2YP/AaPbvCoV9aQGUpbJBj1QRm2ytRiVQBD/fsw7L2bJGDVQswBA==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.4.0"
+      }
     }
   },
   "dependencies": {
+    "@types/node": {
+      "version": "18.7.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.7.1.tgz",
+      "integrity": "sha512-GKX1Qnqxo4S+Z/+Z8KKPLpH282LD7jLHWJcVryOflnsnH+BtSDfieR6ObwBMwpnNws0bUK8GI7z0unQf9bARNQ==",
+      "dev": true
+    },
     "typescript": {
       "version": "4.7.4",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.4.tgz",
       "integrity": "sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==",
       "dev": true
+    },
+    "xmlhttprequest": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+      "integrity": "sha512-58Im/U0mlVBLM38NdZjHyhuMtCqa61469k2YP/AaPbvCoV9aQGUpbJBj1QRm2ytRiVQBD/fsw7L2bJGDVQswBA==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index 8315a6f..55fbeb0 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,7 @@
 {
   "devDependencies": {
-    "typescript": "^4.7.4"
+    "@types/node": "^18.7.1",
+    "typescript": "^4.7.4",
+    "xmlhttprequest": "^1.8.0"
   }
 }
diff --git a/src/parse.js b/src/parse.js
deleted file mode 100644
index 686105a..0000000
--- a/src/parse.js
+++ /dev/null
@@ -1,40 +0,0 @@
-var baseUrl = "https://envs.sh";
-var id = "QnK"; // < unicode > 
-var key = "LhBRttf+oI/PNHyTBrPa7HGDK/uC9fcMkGGgz63zT4Y="; // 32 bytes b64
-var completeUrl = baseUrl + "/" + id + ".bin#" + key;
-console.log(completeUrl);
-var urlObj = new URL(completeUrl);
-/** will return a tuple of the key and id if valid
- * 1 if no id ( creator )
- * 2 if encryption key is missing /  wrong length
- * 3 if key is malformed
- */
-function validUrl(url) {
-    var key;
-    try {
-        key = atob(url.hash.substring(1));
-    }
-    catch (e) {
-        return 3;
-    }
-    var id = url.pathname.substring(1);
-    if (id === "/") {
-        return 1;
-    }
-    var binKey = binaryToArray(key);
-    if (key.length === 32) {
-        return [id, binKey];
-    }
-    else {
-        return 2;
-    }
-}
-function binaryToArray(raw) {
-    var rawLength = raw.length;
-    var array = new Uint8Array(new ArrayBuffer(rawLength));
-    for (var i = 0; i < rawLength; i++) {
-        array[i] = raw.charCodeAt(i);
-    }
-    return array;
-}
-console.log(validUrl(urlObj));
diff --git a/src/urlTools.ts b/src/urlTools.ts
new file mode 100644
index 0000000..108ead6
--- /dev/null
+++ b/src/urlTools.ts
@@ -0,0 +1,24 @@
+import XMLHttpRequest = require("xmlhttprequest");
+
+/**
+ * converts component parts of url to a full url
+ */
+function buildUrl(baseUrl: string, id: string): string {
+	return (baseUrl + "/" + id + ".bin")
+}
+
+/**
+ * gets data from a constructed url
+ */
+function getData(url: string): string {
+	try {
+		const request = new XMLHttpRequest()
+		request.open("GET", url, false)
+		request.send
+		return(request.responseText)
+	} catch(e) {
+		console.log(e)
+		return null
+	}
+}
+console.log(getData(buildUrl("https://envs.sh", "QnK")))
diff --git a/tsconfig.json b/tsconfig.json
index 751bfc5..1440dcb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
 	"files": [
-		"src/parse.ts"
+		"src/parse.ts",
+		"src/urlTools.ts"
 	]
 }