Pricing - zend.sh

Simple, Transparent Pricing

Start free. Scale as you grow. No hidden fees.

Free

Get started with cold email infrastructure

per month

Free email warmup included

500 emails/month

3 mailbox accounts

API access

Community support

Sandbox mode

Pro

Popular

For teams scaling their outbound pipeline

$29

per month

Free email warmup included

10,000 emails/month

Unlimited mailbox accounts

Priority support

Webhooks

A/B testing

Health monitoring

Reply detection

Variable substitution

Scale

For high-volume senders who need maximum control

$79

per month

Free email warmup included

50,000 emails/month

Unlimited mailbox accounts

Dedicated support

Analytics API

MCP server access

Advanced rotation strategies

Webhook retry & delivery logs

CSV lead import

Enterprise

Custom infrastructure for large-scale operations

Custom

per month

200,000 emails/month

Unlimited mailbox accounts

SLA guarantee

Dedicated account manager

Custom integrations

Volume discounts

Custom rate limits

Priority engineering support

$1.50 per 1,000 emails beyond your plan quota

Frequently Asked Questions

Everything you need to know about cold email infrastructure with zend.sh.

Getting Started

Deliverability & Safety

Integration

Start sending in minutes

500 free emails per month. No credit card required.