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Integrations

PostStack connects to the tools your team already uses: real-time email alerts in Slack, Discord, and Telegram, no-code automation in Zapier and Make, the WordPress mailer, Terraform-managed infrastructure, Vercel, and an official CLI for shell scripts and CI.

CLI

@poststack.dev/cli

Send transactional email, manage domains, list contacts, and rotate API keys directly from your terminal. Perfect for shell scripts and CI pipelines.

npm install -g @poststack.dev/cli
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Zapier

5,000+ app integrations

Trigger Zaps on email.delivered, email.bounced, and contact.created. Send emails, create contacts, and add to segments as actions.

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Make.com

Visual scenario builder

Same triggers and actions as the Zapier integration, with Make.com's drag-and-drop scenario editor and unlimited operations on paid plans.

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Slack

Native notification channel

Pipe inbound mail, bounces, complaints, and deliverability alerts straight into a Slack channel via an incoming webhook. PostStack formats every event as a readable message — no Zap or middleware required.

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Discord

Native notification channel

Post email events to any Discord channel with a channel webhook. Subscribe an ops channel to webhook.disabled and deliverability.degraded and the whole team sees problems the moment they happen.

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Telegram

Native notification channel

Get pinged on your phone via a Telegram bot when mail lands or a send bounces. Scope channels team-wide, per-domain, or per-mailbox, with webhook-grade retries and auto-disable.

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WordPress

Drop-in wp_mail() replacement

Install the plugin and paste your API key. Every WordPress notification, from password resets to WooCommerce order confirmations and contact form submissions, routes through PostStack.

wp plugin install poststack
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Terraform

Infrastructure as code

Manage sending domains, API keys, and webhook subscriptions via the official Terraform provider. Pin domains and rotate keys from your existing IaC pipeline.

terraform { required_providers { poststack = { source = "getpoststack/poststack" } } }
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Vercel Marketplace

One-click setup

Add PostStack to a Vercel project with a single click. Environment variables are wired in automatically and billing rolls into your Vercel invoice.

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Don't see your tool?

Every integration above is built on the same PostStack REST API and webhook system that's available to all customers. If you want to wire PostStack into something custom, the API reference and webhook docs are the place to start.