SMS

SMS services, messaging APIs, and bulk messaging solutions

34 articles

General

5 articles
Automations

Automate SMS replies to manage opt-ins, forward messages to email or webhooks, and send automatic responses.

Dynamic Content

Personalize texts with each contact’s name, company, and saved custom details.

Sender ID Comments

Check country-specific sender ID rules and prepare messages for successful international delivery.

How to Check SMS Spam, Blocked and Filtered Message Folders

Find delivery texts hidden by your phone’s spam, blocked, or unknown-sender filters.

Sender ID Registration

Register your SMS sender names with ACMA so Australian recipients see verified messages after 1 July 2026.

Messaging

12 articles
Creating an SMS Campaign

Schedule a message to your address book, personalize it, and choose whether it’s promotional or transactional.

Replying SMS directly on the Atomic platform

Reply to received SMS from the @voice portal and view delivery reports for messages you send.

Receiving SMS

View incoming texts in Atomic, route them to your app with a webhook, or handle them through an automation.

Sending an SMS

Send a text to individual numbers or a contact list, with support for personalized content and longer messages.

Address Book

Build and manage SMS contact lists, import contacts, and personalise campaigns with saved details.

Email to SMS

Send single or bulk SMS messages from your email, or reach contacts in an existing address book.

SMS Segment Limits Guide

Check how many SMS segments your text will use before sending, including messages with emojis.

Schedule and Edit SMS Campaigns

Schedule SMS campaigns ahead, update queued messages, and cancel them before sending begins.

View and Reply to SMS Conversations

Find past SMS messages, organize conversations, and reply from an assigned number in one inbox.

Create and Use SMS Templates

Save common SMS messages and reuse them in campaigns and Inbox conversations without typing them again.

SMS Opt-outs

Keep opted-out contacts out of marketing texts, manage your opt-out list, and resubscribe people when they ask.

Send personalised bulk SMS with the API

Send personalised bulk SMS in one API request, with delivery receipts and per-recipient status checks.

Provisioning

7 articles
Related Service

Find SMS-capable numbers for authorised sender IDs and quickly view the webhook URL configured to receive SMS.

SMPP Binding

Connect your SMPP equipment and see the ports and message routes used for SMS delivery.

API Keys and URL

Create separate API keys for your apps and find the custom URL for Atomic SMS API calls.

SMS Portal

Send and track SMS, manage contacts and campaigns, and give each teammate their own portal access.

Sender ID (SID)

Choose a number or registered brand name for recipients to see when your SMS messages arrive.

Credit & Expiry

Track SMS credit expiry, extend bundled credits with a Top-Up, and manage your PAYG credit limit.

Create/Managing an SMS Service

Create customer SMS services, choose Standard or SMPP access, and manage monthly credit limits.

Reporting

3 articles
Delivery Reports

Check message delivery reports and filter by recipient, date, message ID, or delivery status.

Past Campaigns

Check past SMS campaign delivery status, message outcomes, and delivery times in one place.

See Who Performed an SMS Action

Trace message senders, campaign creators, and account activity from SMS conversations and reports.

Third party Integrations

7 articles
Receiving SMS on your Email using Microsoft Flow

Get SMS received on your Virtual Mobile Numbers delivered to your email with Microsoft Flow.

3CX

Connect Atomic SMS with 3CX to send texts and route incoming messages to your PBX.

Klaviyo Integration

Send messages from Klaviyo flows by connecting a webhook to your Atomic SMS service.

Incoming SMS Webhook

Send incoming SMS messages to your own service through a secure HTTPS webhook.

Configure outgoing SMS in ElevenLabs

Send outgoing texts from ElevenLabs through your Atom SMS service using a secure API key and a tested sender.

Configure outgoing SMS in LiveKit

Connect a LiveKit agent to Atom SMS and send messages only after confirming the recipient and exact text.

Configure outgoing SMS in Vapi

Connect Vapi to your Atom SMS service and send confirmed texts with the right sender and delivery checks.