Integration

Connect MailerSend to Handwrytten

When something happens in MailerSend, your agent does the next thing in Handwrytten. Describe it in plain language and the automation is built, tested on every branch and kept running.

MailerSend11 triggersMailerSend1 actionHandwrytten1 triggerHandwrytten7 actions

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Build it

What do you want MailerSend and Handwrytten to do together?

Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Or work from Claude Code

Install the APIANT plugin for Claude Code and build, edit, test and read run history from your terminal. Every plan gets this, including free, and it spends no assistant credits.

Connect Claude Code

Everything your agent can do with MailerSend and Handwrytten

Triggers and actions 12 triggers · 8 actions

Trigger
Email Is Clicked Through
Triggers when the recipient clicks on a link.
Trigger
Email Is Delivered
Triggers when an email is delivered.
Trigger
Email Is Hard Bounced
Triggers when an email is hard bounced.
Trigger
Email Is Opened
Triggers when an email is opened.
Trigger
Email Is Reported as Spam
Triggers when an email is reported as spam.
Trigger
Email Is Sent
Triggers when an email is sent.
Trigger
Email Is Soft Bounced
Triggers when an email is soft bounced.
Trigger
Recipient Has Unsubscribed
Triggers when a recipient unsubscribes from your mailing activity.
Trigger
SMS Delivery Failed
Triggers when SMS failed to deliver.
Trigger
SMS Is Delivered
Triggers when SMS is delivered.
Trigger
SMS Is Sent
Triggers when SMS is sent.
Action
Send an Email
Send an email via your MailerSend account.
Trigger
Address List
Triggers when Recipient Addresses are needed.
Action
Add Order to Basket
Adds an order to a basket. If sending multiple cards at once, use this for each order, then check-out with Send Basket
Action
Create Contact
Creates a new address book entry for the Handwrytten address book. (Note: other zaps don't really use the address book, but the rest of Handwrytten does.).
Action
Create Custom Card
Creates a new custom 5x7 card with full bleed cover, using specified images, fonts, and logos.
Action
Empty Basket
Clears your basket.
Action
Find Contact
Finds a contact in your address book.
Action
Update Contact
Updates an entry in the Handwrytten address book.
Action
Upload Custom Image
Adds an image to Handwrytten for use in custom card designs.

Each app on its own

The other way round: Handwrytten to MailerSend