--- a
+++ b/client/src/API.js
@@ -0,0 +1,53 @@
+import axios from "axios"
+
+const url = process.env.REACT_APP_API_URL
+
+async function getTestCase(num) {
+    const route = 'test/' + num;
+    let response;
+
+    await axios.get(url + route)
+    .then(res => res.data)
+    .then((res) => {
+        response = res;
+    })
+    .catch((error) => {
+        console.log(error);
+    })
+
+    return response;
+}
+
+async function getTestResult(num) {
+    const route = 'testresult/' + num;
+    let response;
+
+    await axios.get(url + route)
+    .then(res => res.data)
+    .then((res) => {
+        response = res;
+    })
+    .catch((error) => {
+        console.log(error);
+    })
+
+    return response;
+}
+
+async function predict(json) {
+    const route = 'predict'
+    let response;
+    
+    await axios.post(url + route, json)
+    .then(res => res.data)
+    .then((res) => {
+        response = res;
+    })
+    .catch((error) => {
+        console.log(error);
+    })
+
+    return response;
+}
+
+export { predict, getTestCase, getTestResult }
\ No newline at end of file