A2P vs TCPA

Last Updated: April 12, 2026

Customer-Facing Guide

TL;DR

• A2P rules are carrier / industry rules.

• TCPA is U.S. law.

• Those are different frameworks and they create different kinds of risk.

What A2P means

A2P (Application-to-Person) refers to business texting frameworks used by carriers and industry groups. These rules influence deliverability and filtering, but they are not themselves the same thing as statutory law.

What TCPA means

TCPA is U.S. federal law governing consent, revocation, and telemarketing behavior. Legal exposure under TCPA is a legal question, not just a product question.

How this relates to Sendblue

• Sendblue’s normal SMS fallback path uses Sendblue’s P2P network.

• Customers who need a formal legal interpretation for their campaign or jurisdiction should make that decision with legal counsel.

• From a product best-practices standpoint, consent, opt-outs, pacing, and engagement still matter regardless of how a customer thinks about A2P vs TCPA.

Related guides

• New Texas SB 140 Regulations

• Opt-Outs and Suppression in Sendblue

This article is product guidance, not legal advice.