This guide will walk you through connecting your accounts and setting up Zaps for:
SMS messages
MMS messages
Campaigns (SMS, MMS)
Post Letter
Voice, Fax, and Postcard sending
Setup: Connect ClickSend to Zapier
Sign up for a ClickSend account (if you don’t have one yet).
Create a Zapier account.
When creating a Zap and choosing ClickSend as a trigger or action app, Zapier will prompt you to connect your ClickSend account.
Enter your ClickSend API username and API key found in your ClickSend dashboard.
Click Yes, Continue to connect.
Creating a Zap
A Zap is a workflow with two main parts:
Trigger – the event that starts the workflow
Action – what happens after the trigger
Send SMS
Trigger App: Choose your preferred trigger app (e.g., ClickSend SMS).
Trigger Event: Choose your preferred trigger event (e.g., New Incoming SMS).
Connect your ClickSend account by selecting from the list, or add a new account to continue.
Action App: Choose your preferred action app (e.g., ClickSend SMS).
Action Event: Choose your preferred action (e.g., Send SMS).
Fill in the details such as recipient number, message body, etc.
Continue, then test and publish the Zap.
Send SMS Campaign
Trigger App: Select your trigger app (e.g., WooCommerce).
Trigger Event: Select the trigger event (e.g., New Customer is added)
Connect your WooCommerce account by selecting from the list, or add a new account to continue.
Test trigger to continue.
Action App: ClickSend SMS
Action Event: Send SMS Campaign
Fill in the details such as Campaign Name, List name (List ID), sender ID. message body, etc
Continue, then test and publish the Zap.
Send MMS
Trigger App: Select your trigger app (e.g., Trello, Typeform, Google Forms).
Trigger Event: Choose the trigger event (e.g., New Entry, New Form Submission).
Connect your App account by selecting from the list, or add a new account to continue.
Select the preferred form
Test trigger to continue.
Action App: ClickSend SMS
Action Event: Send MMS
Fill in the details such as Sender ID, Subject, body, and media URL
Continue, then test and publish the Zap.
Send MMS Campaign
Trigger App: Select your trigger app (e.g., Shopify, HubSpot, Typeform).
Trigger Event: Choose the event that will start the Zap (e.g., New Order, New Contact Added, New Form Submission).
Action App: ClickSend
Action Event: Send MMS Campaign
Fill in the details such as Campaign Name, List name (List ID), sender ID. message body, etc
Continue, then test and publish the Zap.
Reminder: Check supported media formats and sizes before uploading.
Send Letter
Send personalized letters globally through Zapier and ClickSend.
Trigger App: Select your trigger app (e.g., Shopify, HubSpot, Google Sheets).
Trigger Event: Choose the event that will start the Zap (e.g., New Paid Order,
New Contact Added, New Spreadsheet Row).
Action App: ClickSend SMS
Action Event: Send Letter
Fill in the details such as the file URL (Google Drive/Dropbox link), priority, template, color, single or double-sided printing, and the recipient/return address.
Supports up to 50 merge fields and 20,000 recipients
7. Continue, then test and publish the Zap.
Supported URL Examples:
Google Drive:
Make sure the file is .docx and publicly accessible.
Dropbox:
Use .docx, public link, change dl=0 to dl=1:
From: ...?dl=0
To: ...?dl=1
Also Available: Voice, Fax, and Postcard Actions
You can also set up Zaps to:
Send a Voice Message
Send a Fax Message
Send a Postcard
These work the same way — just choose your trigger, select ClickSend, then the desired action, and configure the details.
Troubleshooting
If your Zap isn’t working as expected:
Log into Zapier
Go to Zap History > Zaps Run
Locate the failed run and click to view details.
Under the ClickSend action, check Data Out.
Ensure your API key is correct and that you have sufficient credits in your ClickSend account.
FAQs
Where can I monitor my mail/letter history?
Where can I monitor my mail/letter history?
Check the Letter History page
Where can I view my letter campaigns?
Where can I view my letter campaigns?
Visit Letter Campaigns
Can I cancel a letter campaign?
Can I cancel a letter campaign?
Yes, within 1 hour after sending here
How many contacts can I send a letter to?
How many contacts can I send a letter to?
Up to 20,000 per campaign.
Where can I check if my message or campaign was sent?
Where can I check if my message or campaign was sent?
Use the SMS History, MMS History, or Letter History pages.
Where can I view my active campaigns?
Where can I view my active campaigns?
Visit Campaigns for SMS, or Letter Campaigns for letters.
How many contacts can I send to at once?
How many contacts can I send to at once?
Up to 20,000 recipients per letter campaign. For SMS/MMS campaigns, limits depend on balance and message type.
Can I cancel a letter campaign?
Can I cancel a letter campaign?
Yes, within 1 hour of sending. Cancel it here.
What file formats are supported for Post Letter Campaigns?
What file formats are supported for Post Letter Campaigns?
.DOCX only. From Google Drive, Google Docs, or Dropbox with publicly accessible links.
How do I format merge fields in my document?
How do I format merge fields in my document?
Use this format: <<FirstName>>, <<OrderID>>, etc
Want to jump straight into setup? Use one of our Zap templates to get started fast!