CloudTalk

Prepare your numbers for consumer protection measures imposed by USA operators

Registering Standard USA Numbers for Messaging (A2P 10DLC)

Toll-free numbers will need to be registered to send automated messages

How to Verify USA and Canada Toll-free Numbers for A2P Messaging

Learn which SMS and MMS use cases are restricted in the US and Canada due to carrier regulations

Unsupported SMS/MMS use cases in USA and Canada

Basic questions about the A2P registration process

USA A2P SMS FAQs

What you need to know about before using CloudTalk numbers in WhatsApp mobile apps

Using CloudTalk numbers externally in WhatsApp and WhatsApp Business mobile apps

Learn how to complete external sender ID registration to send SMS messages to Singapore

How to Externally Register Your Number for Sending SMS Traffic to Singapore

Find out why CloudTalk numbers may not be able to receive your one-time passwords

Limitations receiving OTP and 2FA SMS messages

Automatic SMS compliance for STOP and HELP keywords in U.S. messaging

"HELP" and "STOP" Keywords in U.S. SMS Messaging

Learn what numbers CloudTalk can offer for SMS

CloudTalk SMS-Capable Numbers and SMS Reachability

Instructions on the registration process for requesting a WhatsApp-enabled number.

How to Activate a WhatsApp Integration Number

A guide to using our integrated WhatsApp functionality

How to Use WhatsApp with CloudTalk

Erica Hoelper

Shelby Glynn

Marianna Lakostikova

Phone Number Guides for Messaging Registrations and Integrations in CloudTalk

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