Backend issue

[Devbot0716]

I keep getting an issue from the backend. What is expected from the referer header?

The backend keeps stopping me. Is this possibly a /etc/hosts entry on my end?

[Strider20151]

Can you tell me what's the deffirence of this two URL https://joes-autos.herokuapp.com/api/vehicles/${ id }/${ priceChange }
'https://joes-autos.herokuapp.com/api/vehicles/${ id }/${ priceChange }'