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The Showdown

SendGrid APIvsESP-Mail-Client

Why pay monthly fees for SendGrid API when you can self-host ESP-Mail-Client for free? Let's look at the facts.

SendGrid API

The Expensive Option

  • Closed Source (Black box)
  • Expensive monthly fees per user
  • Data stored on their servers
WINNER

ESP-Mail-Client

The Freedom Choice

  • 100% Open Source Code
  • Free forever (Self-hosted)
  • You own your data completely
Get ESP-Mail-Client Now
Interactive Calculator

Calculate Your "SaaS Tax"

SaaS pricing is designed to scale with your success. See how much wealth transfers from your bank account to SendGrid API's shareholders.

10 people
150100200+
$

*Estimated standard pricing for SendGrid API. Adjust if needed.

Estimated Annual Waste
$1,440
Monthly Burn Rate$120
5-Year Projection$7,200
Cost with Self-Hosted$0
Start Saving Today

Calculations based on 10 users at $12/mo.

Detailed Breakdown

0
Cloud API
On-device (Edge)
1
Usage-based fees
Free (Protocol based)
2
REST API
Direct SMTP/IMAP