Following the documentation but still getting a 401 error code

// This is how I create my client
import { createClient } from '@supabase/supabase-js'

export const supabase = createClient(process.env.REACT_APP_SUPABASE_URL, process.env.REACT_APP_SUPABASE_ANON_KEY)

// This is how I make a request
const { data, error } = await supabase
    .from('campaign')
    .insert({
        campaign_name: campaignName,
        campaign_social: campaignSocial,
        campaign_keyword: campaignKeyword
})