USA Number Registration

Manage your number compliance for sending A2P messages in the US and US Territories.

An A2P 10-digit long code – otherwise known as 10DLC – is a phone number approved for automated business messaging to send high volumes of SMS and MMS messages. For more details, visit our Documentation Hub.

Who this API is for

Any US business or organization wanting to send A2P messages via 10DLC must go through a process that includes registering a brand and submitting a campaign. These processes give the mobile network operators (MNO) a way to control message traffic on their networks.

Use this API to register a brand, vet it, and provide required information about a messaging campaign before you can start using a 10DLC that you have purchased.

10DLC concepts explained

• Brand Registration - Once a brand is created, it needs to be registered with an organization called The Campaign Registry (TCR). When you register a brand successfully, TCR assigns a Verified status and you can then start submitting campaigns tied to the brand. If TCR is unable to verify your brand and assigns a status of Unverified, you will not be able to submit any campaigns until the brand is successfully verified.
• Vetting - Each major MNO has created their own mechanism for determining the throughput you receive. If you aren't satisfied with the AT&T throughput or T-Mobile threshold you receive, you can request third-party vetting. Vetting a brand may only be performed once every 30 days and it is a paid service.
• Campaign - Contains information about the messages you intend to send. Every campaign must be associated with a brand.

Quick Workflow Overview

1. Create a brand.
2. Register the brand with The Campaign Registry.

• If the brand is successfully verified, start submitting campaigns tied to that brand.
• If the brand hasn't been successfully verified or you want a higher throughput or threshold, vet a brand with the third party.

3. Create a campaign.
4. Register the campaign with a mobile network operator.