ReferenceError: XMLHttpRequest is not defined on api endpoint

async function getSpotifyTokens(
    clientId: string,
    clientSecret: string,
) {
    const tokenUrl = 'https://accounts.spotify.com/api/token'
    const authStr = `${clientId}:${clientSecret}`
    const b64AuthStr = Buffer.from(authStr).toString('base64')

    const headers = {
        Authorization: `Basic ${b64AuthStr}`,
        'Content-Type': 'application/x-www-form-urlencoded',
    }
    // const body = new URLSearchParams({
    //     grant_type: 'client_credentials',
    // })
    const body = 'grant_type=client_credentials'

    const response = await fetch(tokenUrl, {
        method: 'POST',
        headers,
        body,
    })

    if (!response.ok) {
        const errorText = await response.text()
        throw new Error(`Failed to get token: ${response.status} - ${errorText}`)
    }

    const tokens = (await response.json()) as ExtendedGetRefreshedAccessTokenResponse
    return tokens
}