a2p.guide
The A2P operator's manual · USA

Qualify to text & call in the United States.

Get your brand registered, compliant, and trusted — so your messages get delivered and your calls get answered. Verified fees, throughput tiers, consent rules, and free tools, in one place.

Start here Free tools
Fact-checked against primary sources 13 free calculators & generators No login, no PII stored
100%
of unregistered 10DLC traffic blocked since Feb 1, 2025
200k
top T-Mobile daily message cap (trust 75–100)
$500–1,500
TCPA statutory damages per message
3
analytics engines decide "Spam Likely" labels
Two parallel tracks

Texting and calling each need their own qualification.

Registration gets your traffic delivered. Consent keeps you legal. Reputation & branding keep you answered. You need all three.

TRACK 01 · SMS / MMS

Texting

Register a Brand & Campaign in The Campaign Registry, choose the right number type, and meet consent law.

  • A2P 10DLC brand + campaign registration
  • Trust Score & carrier throughput tiers
  • Toll-free verification & short codes
  • TCPA / CTIA consent, opt-in & opt-out
Explore texting TRACK 02 · VOICE

Calling

Authenticate your caller ID, register your numbers, fight false spam labels, and brand your calls.

  • STIR/SHAKEN & A-level attestation
  • Free Caller Registry & spam remediation
  • Branded Calling (BCID / RCD) & CNAM
  • Robocall Mitigation Database basics
Explore calling
The qualification mindset

Delivered · Legal · Answered

1 · Register

Prove who you are. Brand + campaign in TCR for texting; A-attestation + RMD for calling. Unregistered traffic is blocked.

2 · Comply

Earn and document consent. Compliant opt-in CTA, STOP/HELP, a carrier-grade privacy policy — TCPA & CTIA.

3 · Build reputation

Raise your Trust Score, keep clean sending hygiene, register for caller reputation, and brand your calls.

Free tools

Stop guessing. Calculate it.

Client-side calculators and generators — nothing you enter leaves your browser.

toolCost Calculator

Estimate your full 10DLC cost stack — one-time registration and vetting, plus the recurring monthly campaign fees and per-message …

Open toolThroughput Estimator

Estimate your sending capacity across the three major carriers from your Trust Score band, campaign count, and number count — because …

Open toolOpt-in CTA generator

Fill in your brand details and get a ready-to-paste opt-in Call-to-Action with all nine required CTIA/TCPA elements, plus the welcome, …

Open toolRejection troubleshooter

Got a 10DLC campaign rejection code or vague rejection note? Search the top causes, find the matching code, see whether it's a hard …

Open toolNumber type recommender

Answer five questions about your volume, traffic style, budget, timeline, and brand needs and get a recommendation: 10DLC, Toll-Free, …

Open toolReadiness Checklist

A scored pre-registration audit. Tick what's done; get a readiness percentage and a ranked gap list so you fix every common rejection …

Open

All 13 tools

Regulatory radar

What changed — and what's coming.

The numbers and deadlines on this topic move. We track them so you don't get caught out.

ChangeDateStatus
Unverified toll-free traffic blockedJan 31, 2024In force
AI-generated voices ruled "artificial" under TCPA (illegal in robocalls w/o consent)Feb 8, 2024In force
One-to-one consent rule vacated by 11th CircuitJan 24, 2025Dead
Unregistered 10DLC traffic blocked 100%Feb 1, 2025In force
TCPA consent-revocation core rule (10 business days, any reasonable means)Apr 11, 2025In force
TCR fee increase (brand $4.00→$4.50; standard vet $40→$41.50)Aug 1, 2025In force

Full change tracker

Ready to get qualified?

Start with a 10-minute readiness check, then follow the step-by-step registration guide.

Run the readiness check Which path do I need?