Snippet: Spotify Top Tracks

This code snippet shows how you can retrieve your Spotify top tracks using Next.js API Routes.

1// /lib/spotify.js
2const client_id = process.env.SPOTIFY_CLIENT_ID
3const client_secret = process.env.SPOTIFY_CLIENT_SECRET
4const refresh_token = process.env.SPOTIFY_REFRESH_TOKEN
5
6const getAccessToken = async () => {
7  const response = await fetch('https://accounts.spotify.com/api/token', {
8    method: 'POST',
9    headers: {
10      Authorization: `Basic ${Buffer.from(`${client_id}:${client_secret}`).toString('base64')}`,
11      'Content-Type': 'application/x-www-form-urlencoded'
12    },
13    body: new URLSearchParams({
14      grant_type: 'refresh_token',
15      refresh_token: refresh_token
16    })
17  })
18
19  return response.json()
20}
21
22export const getTopTracks = async () => {
23  const { access_token } = await getAccessToken()
24
25  return fetch('https://api.spotify.com/v1/me/top/tracks?limit=5&time_range=short_term', {
26    headers: {
27      Authorization: `Bearer ${access_token}`
28    }
29  })
30}
31

1// /api/top-tracks.js
2import { getTopTracks } from '#/lib/spotify'
3
4export default async function handler(req, res) {
5  const response = await getTopTracks()
6  const { items } = await response.json()
7
8  const tracks = items.map((track) => ({
9    artist: track.artists.map((_artist) => _artist.name).join(', '),
10    songUrl: track.external_urls.spotify,
11    title: track.name
12  }))
13
14  res.setHeader(
15    "Cache-Control",
16    "public, s-maxage=86400, stale-while-revalidate=43200"
17  )
18
19  return res.status(200).json(tracks)
20}
21