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Integrations/Postmark
Postmark
Integration Guide

Send Receipts via Postmark

Generate professional receipt images and deliver them via Postmark—the fastest transactional email service. Best-in-class deliverability for receipts that matter.

Key Features

Fastest Delivery

Industry-leading delivery speed for time-sensitive receipts.

Best Deliverability

Dedicated transactional infrastructure—no marketing spam.

Templates API

Use Postmark templates with receipt images.

Detailed Analytics

Track every receipt email's journey.

What You Get

Professional Receipt Images

  • Thermal POS style: Authentic dot-matrix fonts, paper textures, and realistic thermal print appearance
  • Modern clean style: Professional layouts for digital documentation
  • Customizable: Add logos, adjust colors, custom fields and layouts

Hosted Receipt URLs

  • Public URLs: Each receipt is hosted and accessible via unique URL
  • Embed anywhere: Perfect for emails, dashboards, and any project
  • 30-90 day storage: Receipts hosted based on your plan tier

Use Cases

1

Payment Confirmations

Deliver receipts immediately after payment.

2

Password Reset + Receipt

Include receipts in account-related emails.

3

Time-Sensitive Receipts

Receipts that must arrive instantly.

4

High-Value Transactions

Ensure important receipts reach customers.

How to Connect

1

Generate Receipt

Create receipt image via EasyReceiptMaker API.

2

Build Template

Create Postmark template with receipt embed.

3

Send via Postmark

Trigger transactional email via Postmark API.

💡

Pro Tip: Use the Visual Builder

Don't write JSON from scratch! Design your receipt visually in our receipt generator, then export/use the generated structure in your integration (swap in dynamic data like amounts and dates).

Try Visual Builder →

API Quick Reference

# Generate a receipt

POST https://www.easyreceiptmaker.com/api/v1/receipts

# Headers

Authorization: Bearer erm_sk_your_api_key

Content-Type: application/json

# Response

{
  "success": true,
  "url": "https://receipts.easyreceiptmaker.com/api/abc123.png",
  "expires_at": "2025-01-05T00:00:00.000Z"
}

Other Integrations

Ready to integrate?

Get your API key and start generating receipts with Postmark in minutes.