Gatsby Contact Form
with only Frontend Code

1import { useState } from "react";
2
3export default function Fetch() {
4  const [email, setEmail] = useState("");
5  const [message, setMessage] = useState("");
6
7  const [submitted, setSubmitted] = useState(false);
8  const [error, setError] = useState("");
9
10  function submit(e) {
11    // This will prevent page refresh
12    e.preventDefault();
13
14    // replace this with your own unique endpoint URL
15    fetch("https://formcarry.com/s/XXXXXXX", {
16      method: "POST",
17      headers: {
18        "Content-Type": "application/json",
19        Accept: "application/json"
20      },
21      body: JSON.stringify({ email: email, message: message })
22    })
23      .then((res) => res.json())
24      .then((res) => {
25        if (res.code === 200) {
26          setSubmitted(true);
27        } else {
28          setError(res.message);
29        }
30      })
31      .catch((error) => setError(error));
32  }
33
34  if (error) {
35    return <p>{error}</p>;
36  }
37
38  if (submitted) {
39    return <p>We've received your message, thank you for contacting us!</p>;
40  }
41
42  return (
43    <form onSubmit={submit}>
44      <label htmlFor="email">Email</label>
45      <input
46        id="email"
47        type="email"
48        value={email}
49        onChange={(e) => setEmail(e.target.value)}
50        required
51      />
52
53      <label htmlFor="message">Message</label>
54      <textarea
55        id="message"
56        value={message}
57        onChange={(e) => setMessage(e.target.value)}
58      />
59
60      <button type="submit">Send</button>
61    </form>
62  );
63}