Twitch API

{
  "access_token": "jostpf5q0puzmxmkba9iyug38kjtg",
  "expires_in": 5011271,
  "token_type": "bearer"
}

{
  "data": [
    {
      "id": "493057",
      "name": "PLAYERUNKNOWN'S BATTLEGROUNDS",
      "box_art_url": "https://static-cdn.jtvnw.net/ttv-boxart/PLAYERUNKNOWN%27S%20BATTLEGROUNDS-{width}x{height}.jpg"
    },
    // ...
  ],
  "pagination":{
    "cursor":"eyJiIjpudWxsLCJhIjp7Ik9mZnNldCI6MjB9fQ=="
  }
}

app.post('/twitch/token', async (_: Request, res: Response) => {
  try {
    const { data } = await axios.post('https://id.twitch.tv/oauth2/token', {
      client_id: process.env.TWITCH_CLIENT_ID,
      client_secret: process.env.TWITCH_CLIENT_SECRET,
      grant_type: 'client_credentials',
    });
    app.set('auth', data.access_token);
    return res.status(200).json(data);
  } catch (error) {
    return res.status(500).json({
      message: 'Error while trying to get Twitch token',
    });
  }
});

app.get('/twitch/top-games', async (_: Request, res: Response) => {
  try {
    const { data } = await axios.get('https://api.twitch.tv/helix/games/top', {
      headers: {
        'Authorization': `Bearer ${app.get('auth')}`,
        'Client-Id': String(process.env.TWITCH_CLIENT_ID),
      },
    });
    return res.status(200).json(data?.data);
  } catch (error) {
    return res.status(500).json({
      message: 'Error while fetching top games',
    });
  }
});

app.get('/twitch/users/:login', async (req: Request, res: Response) => {
  try {
    const login = String(req.params.login);
    const { data } = await axios.get(`https://api.twitch.tv/helix/users?login=${login}`, {
      headers: {
        'Authorization': `Bearer ${app.get('auth')}`,
        'Client-Id': String(process.env.TWITCH_CLIENT_ID),
      },
    });
    return res.status(200).json(data?.data[0]);
  } catch (error) {
    return res.status(500).json({
      message: 'Error while fetching user info',
    });
  }
});

app.get('/twitch/users/follows/:userId', async (req: Request, res: Response) => {
  try {
    const userId = String(req.params.userId);
    const { data } = await axios.get(`https://api.twitch.tv/helix/users/follows?from_id=${userId}`, {
      headers: {
        'Authorization': `Bearer ${app.get('auth')}`,
        'Client-Id': String(process.env.TWITCH_CLIENT_ID),
      },
    });
    return res.status(200).json(data?.data);
  } catch (error) {
    return res.status(500).json({
        message: 'Error while fetching followers',
    });
  }
});