Documentation
Learn how to integrate Postscale into your application. From sending your first email to processing inbound webhooks and creating masked addresses.
Introduction
Welcome to Postscale - complete email infrastructure for developers.
Getting Started
End-to-end guide to setting up Postscale and sending your first email.
Authentication
Learn how to authenticate with the Postscale API using API keys.
Domain Setup
Configure your domain for sending and receiving emails with Postscale.
SDKs & Libraries
Official SDKs and community libraries for integrating with Postscale.
Setup Checklist
Complete deliverability checklist to ensure your Postscale setup is production-ready.
Sending Emails
Complete guide to sending transactional emails with the Postscale API.
SMTP Relay
Send email through Postscale using any standard SMTP client or library.
Webhooks
Receive real-time notifications for email events via webhooks.
Email Templates
Create and manage reusable email templates with dynamic variables.
Inbound Webhooks
Process incoming emails with real-time webhooks.
IP & Domain Warming
Guide to warming your domain and IP for optimal email deliverability.
Inbound Rate Limits
Understand how Postscale handles inbound email volume across plans — free, generous, and built for growth.
Inbound Rules
Filter, route, and block inbound emails with conditional rules.
Masked Addresses
Protect user privacy with Postscale Shield masked email addresses.
API Reference
Complete API reference for the Postscale REST API.
DMARC Reports
Understand DMARC aggregate reports and monitor email authentication for your domains.
Emails API
API reference for sending and managing transactional emails.
Shield Aliases API
API reference for creating and managing Shield masked email addresses.
Inbound API
API reference for managing inbound emails.
Domains API
API reference for managing sending and receiving domains.
DKIM API
API reference for managing DKIM keys and DNS records.
DMARC API
API reference for DMARC aggregate report data and monitoring.
Stats API
API reference for retrieving email sending statistics.
Warming API
API reference for IP and domain warming management.
Suppressions API
API reference for managing the email suppression list.
Templates API
API reference for creating, managing, and previewing email templates.