I'm following this - https://developers.facebook.com/docs/instagram-platform/instagram-api-with-instagram-login/business-login

I got the short term token from https://api.instagram.com/oauth/access_token

but when Im trying to exchange this token for long term token in step 3 https://graph.instagram.com/access_token?grant_type=ig_exchange_token&client_secret={instagram_secret}&access_toekn={code}

I keep getting this, Sorry, this content isn't available right now. I'm trying with the instagram test user.