Text.stHelp Center

Billing & Usage

Understand usage and carrier fees

What SMS segments, MMS, Covered by credits and carrier fees mean on the Billing page.

Last updated October 3, 2026

Overview

The Usage section shows message and carrier fees for the current billing period.

Some recent messages may still be awaiting their final carrier price. They update automatically.

  • SMS segments and MMS messages count what was sent. Long or emoji texts can use more than one segment.
  • Covered by credits shows usage paid by promo credit.
  • Carrier fees are billed at cost and Added to your invoice on the date shown.
Pay for your plan during onboardingHow the Payment step works, including taxes, billing address and saved payment method.Manage your plan and billingReview usage, credits, plan and invoices.Redeem a promotional codeAdd a promo code to receive texting credits.