Integration
Connect MailerSend to PostHog
When something happens in MailerSend, your agent does the next thing in PostHog. Describe it in plain language and the automation is built, tested on every branch and kept running.
Build it
What do you want MailerSend and PostHog 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.
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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 CodeEverything your agent can do with MailerSend and PostHog
Triggers and actions 12 triggers ยท 11 actions
Trigger
Email Is Clicked ThroughTriggers when the recipient clicks on a link.
Trigger
Email Is DeliveredTriggers when an email is delivered.
Trigger
Email Is Hard BouncedTriggers when an email is hard bounced.
Trigger
Email Is OpenedTriggers when an email is opened.
Trigger
Email Is Reported as SpamTriggers when an email is reported as spam.
Trigger
Email Is SentTriggers when an email is sent.
Trigger
Email Is Soft BouncedTriggers when an email is soft bounced.
Trigger
Recipient Has UnsubscribedTriggers when a recipient unsubscribes from your mailing activity.
Trigger
SMS Delivery FailedTriggers when SMS failed to deliver.
Trigger
SMS Is DeliveredTriggers when SMS is delivered.
Trigger
SMS Is SentTriggers when SMS is sent.
Action
Send an EmailSend an email via your MailerSend account.
Trigger
Action PerformedTriggers when an action is performed by a user.
Action
Add annotationCreate a new annotation on the project timeline (content, date_marker, scope). POST /api/projects/:project_id/annotations/
Action
Capture EventCaptures an event.
Action
Evaluate feature flagsEvaluate all feature flag values for a given distinct_id/person, returning flag states for use in automation branching. Public POST /flags endpoint (project token auth).
Action
Get personRetrieve a single person by ID. GET /api/projects/:project_id/persons/:id/
Action
List annotationsList annotations in the project. GET /api/projects/:project_id/annotations/
Action
List cohortsList cohorts defined in the project. GET /api/projects/:project_id/cohorts/
Action
List feature flagsList feature flags defined in the project. GET /api/projects/:project_id/feature_flags/
Action
List insightsList saved insights (charts/graphs) in the project. GET /api/projects/:project_id/insights/
Action
List personsList/search persons in the project, optionally filtered by distinct_id or properties. GET /api/projects/:project_id/persons/
Action
Update personUpdate a person's properties by ID. PATCH /api/projects/:project_id/persons/:id/
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
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