Grayscale

Messages not being delivered? Check out the most common errors and how to troubleshoot them.

Error Code Directory

Candidates and Employees can now send attachments via Grayscale!

Receiving Multimedia Messages

We've compiled regulatory and compliance information to help ensure you're communicating effectively and compliantly around the world.

Phone Number Availability & Registration Requirements

Sam Abello

Doug Taylor

Everything you need to know about using SMS & WhatsApp

Messaging Channels

Using SMS as a messaging channel in Grayscale

SMS Consent Question Examples

A brief overview of the 10DLC registration process

United States A2P 10DLC Registration

Best practices and resources to get your brand registered.

Brand Registration & the 10DLC

Best practices and resources to get your campaign registered.

A2P 10DLC Campaign Approval Best Practices

Getting Started

These topics aren't allowed when texting in the US and Canada

Forbidden Message Categories in the US and Canada

Message filtering and how to avoid Carrier Violations when sending links

How to prevent your Grayscale messages from being filtered or blocked when sending links

Resources and best practices for SMS opt-in

What You Need to Know About SMS Opt-In Compliance

Best Practices

Some example templates approved by WhatsApp for use on cold conversations

WhatsApp Sample Templates

WhatsApp Templates

WhatsApp UI Changes

Using WhatsApp as a messaging channel in Grayscale

WhatsApp

Want to use WhatsApp to connect with candidates? Here's what we'll need to set that up!

WhatsApp Integration Guide

Sending Messages with WhatsApp

Sending & Receiving

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Product Updates

Find answers and get help from Intercom Support and Community Experts

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