Letterhead SMS Integration

Yes - Mobile Message does integrate with Letterhead!

A new subscriber signs up to your newsletter, and you need them to know straight away that they've made the right choice. Your promotion campaign launches in Letterhead, and you want your VIP audience to hear about it before anyone else. Your latest newsletter publishes, and you need to drive traffic without waiting for an email to land in inboxes. These are moments when SMS is faster and more personal than any other channel.

Letterhead powers your entire newsletter operation, managing content, promotions and audiences in one place. Connecting to Mobile Message means the moment key events happen, your audience hears about them via SMS. When a new promotion campaign is created or purchased, when a newsletter is published, or when a subscriber joins, you can send targeted SMS messages that drive immediate action. You can also create and update contacts in Mobile Message, so your SMS list grows automatically as your newsletter audience expands.

By layering SMS into your Letterhead workflow, you don't just reach subscribers faster. You keep them engaged between email sends, build deeper relationships with top readers, and drive better results from every campaign you launch.
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A Zapier account and subscription is required for this integration.
Please view Zapier's pricing page for further information.

Letterhead SMS Integration

What you can automate

Connect Letterhead and Mobile Message through Zapier and these run on their own, with no code and no developer.

When Instant A customer purchases a promotion Letterhead · Promotion Campaign Purchased
Then Send them an SMS with redemption details Mobile Message · Send SMS
Use this Zap
When Instant A new newsletter is published Letterhead · Newsletter Published
Then Alert subscribers via SMS with a link Mobile Message · Send SMS to List
Use this Zap
When Instant Someone joins your newsletter Letterhead · Audience Member Created or Updated
Then Add them to your Mobile Message contacts Mobile Message · Create Contact
Use this Zap
When Instant A new promotion is created Letterhead · Promotion Campaign Created
Then Announce it to your engaged subscribers Mobile Message · Send SMS to List
Use this Zap
1.6 cents SMS Service
Bulk SMS at 1.6¢ per SMS

Exceptional SMS pricing starting at just 1.6¢ per message with your first purchase, offering great value without compromising on quality.

Direct Carrier SMS Delivery
100% Direct Delivery - Guaranteed

We don't route your messages offshore, like some bulk SMS providers. We deliver 100% of messages directly to Australian mobile carriers, for the fastest, most reliable delivery.

Free Dedicated SMS Number
FREE Dedicated Number

Get a dedicated vitrual number to send and receive SMS messages, at no extra cost! Perfect for two-way SMS messaging.

Everything Letterhead supports on Zapier

Any of these can start or complete an SMS automation with Mobile Message.

Triggers 8
  • Audience Member Created or Updated — Triggers when a new audience member is added or updated with any status to any channel.
  • Newsletter Published — Triggers when a newsletter is published in a given channel.
  • Newsletter Scheduled — Triggers when a newsletter is schedueld in a given channel.
  • Promotion Campaign Created — When a new promotion campaign is created, this event will trigger.
  • Promotion Campaign Details Changed — Triggers when Promotion Campaign Details are updated.
  • Promotion Campaign Promotion Changed — When a promotion that's part of a larger Promotion Campaign changes, this event will fire.
  • Promotion Campaign Purchased — Triggers when a Promotion Campaign has been purchased from the Letterhead store.
  • Promotion Campaign Status Changed — Triggers when the status of a Promotion Campaign changes.
Actions 7
  • Add Audience Member to Tag (Legacy) — Deprecated — use "Add Contact to Tag" instead, which tags a contact in your company-wide audience. This older action tags an audience member on a single channel. It still works so existing Zaps keep running, but new Zaps should prefer the contact action.
  • Add Contact to Tag — Add a Letterhead tag to a contact in your company-wide audience, identified by email. Requires a company-level API key.
  • Add Content to Curations — Add a URL to a post, page, or other piece of content on the web to save to your curations library, which will make it easier to compose your newsletter.
  • Add or Update Audience Member (Legacy) — Deprecated — use "Add or Update Contact" instead, which works against your company-wide audience. This older action adds or updates an audience member on a single channel of your choosing. It still works so existing Zaps keep running, but new Zaps should prefer the contact action.
  • Add or Update Contact — Add a contact to your company-wide audience, or update an existing one. Identified by email — if the contact already exists, their details are updated. Optionally set the contact's subscription status on one or more channels. Requires a company-level API key.
  • Remove Audience Member From Tag (Legacy) — Deprecated — use "Remove Contact from Tag" instead, which untags a contact in your company-wide audience. This older action removes an audience member from a channel-specific tag. It still works so existing Zaps keep running, but new Zaps should prefer the contact action.
  • Remove Contact From Tag — Remove a Letterhead tag from a contact in your company-wide audience, identified by email. Requires a company-level API key.

Everything Your Integration Needs

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Easy-to-Use Integration

Our SMS platform is simple to integrate with your existing application.

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Custom Sender IDs

Personalise your messages with a branded sender name, improving trust and engagement with your audience.

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Real-Time Delivery Receipts

Track your message statuses in real time, ensuring complete transparency and campaign effectiveness.

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Inbound SMS Handling

Receive replies and incoming messages directly into your app for seamless two-way communication.

Letterhead + SMS: common questions

Can I send an SMS when someone subscribes to my newsletter?

Yes. When a new audience member joins Letterhead, a Zap can automatically add them to Mobile Message and send them a welcome SMS. This gives your new subscribers an instant way to connect with you and confirms they've signed up.

Can I notify my subscribers when a new newsletter is published?

Yes. The moment your newsletter goes live in Letterhead, a Zap can send SMS alerts to your subscribers, letting them know fresh content is available and including a link to read it. This drives immediate traffic before your email even lands.

How do I connect Letterhead to Mobile Message for SMS marketing?

Link both accounts in Zapier and choose which Letterhead events (newsletters, promotions, new subscribers) should trigger SMS messages. Zapier will sync your Letterhead contacts into Mobile Message automatically, so your SMS list grows as your newsletter does.

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Ready to Try Mobile Message?

Our sign-up process takes just 2 minutes and gives you instant access to our bulk SMS platform. You can start sending messages today!