In order to use Verotel as payment provider you'll need the following URLs

• Flexpay postback URL: {{ route('verotel.payment.update') }}
• When using Verotel as a payment provider, please be aware of the following transaction amount limits:
  • Verotel: $2.95 – $125 USD per transaction
  • CardBilling: $2.95 – $500 USD per transaction
• Transactions outside these ranges will be rejected.

Learn more in the Verotel integration guide.