MCP-native for Cursor, Claude Code, and Windsurf
Posthawk
Compare

Posthawk vs SendGrid
side by side

SendGrid is the incumbent. It works, but it locks you into Twilio infrastructure, marks email up 4–10× over the underlying AWS SES rate, and gates basic features behind enterprise pricing. Posthawk gives you the same surface area, plus a built-in MCP server, AI assistant, and workflow automations — for a fraction of the cost, with the option to self-host.

Self-Hostable
Full Control
No Per-Email Fees
Features

Feature comparison

FeaturePosthawkSendGrid
Platform
Self-hostable (Docker)
Multi-region sending
Cloud: US-east + EU-north (per-domain) · Self-host: any SES region
4 regions (account-wide, Pro+)
EU data residency
Pro plan add-on
Multi-workspace + roles
Sub-users (paid tiers)
Free tier emails / month (cloud)
3,000
~3,000 (100/day after trial)
Sending
Transactional REST API
Batch send (up to 1,000 / call)
Scheduled sending
scheduledFor field, cancel + reschedule
Time-based send window
Broadcast / mass campaigns
Race-safe cancel mid-flight + send-time unsubscribe re-check
Marketing Campaigns (separate product)
SMTP relay (port 587)
API-key-as-password
Workflow automations
Visual builder · Scale on cloud, unlocked self-hosted
Marketing Campaigns automations
Marketing & Audience
Contacts management
Tag-based segmentation
Lists + segments
Newsletter product (signup page + archive)
Hosted /n/[slug] page + embeddable widget + public archive
Double opt-in confirmation
A/B testing
CSV bulk import
Cascading unsubscribe (newsletter ↔ contacts)
Suppression groups
Templates
Templates with dynamic variables
React Email (native)
Drag-and-drop email designer
Code-first (React Email)
Required-variable enforcement
Live preview before send
Deliverability
SPF + DKIM + DMARC auto-config
BYODKIM (your own DKIM keys)
Limited
Per-workspace reputation isolation
Dedicated SES VDM tenant per workspace · cloud only
Shared pool (dedicated IP $$)
Soft-bounce auto-suppression
3 consecutive → suppressed (counter resets on delivery)
Configurable thresholds
Hard bounce + complaint suppression
Inbound email parsing
Per-domain webhook routing
Inbound Parse
Developer Experience
TypeScript SDK
posthawk on npm
@sendgrid/mail
Python SDK
posthawk on PyPI
sendgrid
MCP server (Model Context Protocol)
18 tools, OAuth 2.1 + PKCE
AI assistant (in dashboard)
Subject suggestions, content gen, schedule parsing · cloud Pro+
Webhook signature verification
HMAC-SHA256
Event Webhook signing
Sandbox / test environment
CLI tool
Security & Compliance
Encryption at rest
AES-256 (Postgres disk)
AES-256
TLS in transit
TLS 1.2+
TLS 1.2+
API keys
Bcrypt-hashed, scoped, instantly revocable
Scoped, revocable
2FA / TOTP
Audit logs
Append-only on broadcasts/scheduled · Scale on cloud, unlocked self-hosted
Activity feed (paid)
Email content logging
Cloud: 3 / 15 / 30 days · Self-host: you set the policy
Bodies 72h, metadata up to 30d
Pricing & Value
Self-hosted: AWS SES passthrough
$0.10 per 1,000 — paid directly to AWS
Not available
Cloud: Pro plan (50,000 emails/month)
$20 / month
$19.95 / month
Cloud: pay-as-you-go overage (Pro+)
$0.60 per 1,000 over plan
Tier-based, ~$0.85+/1k
Dedicated IPs
Self-host: via your AWS SES account
$79.95/mo + $39.95/mo each extra
Pricing

Cost comparison

Every tier of Posthawk on the left, every tier of SendGrid on the right. Cloud plans run on infrastructure I manage; Self-Hosted runs on yours and pays AWS SES directly with no Posthawk markup.

Posthawk4 tiers
Free
$0
3,000 emails / month
100/day cap · 1 domain · 2 API keys · 2 team members
ProMost popular
$20 / month
50,000 emails / month
Unlimited daily · 10 domains · $0.60 / 1,000 overage · AI assistant
Scale
$49 / month
100,000 emails / month
100 domains · 50 team members · workflow automations · audit logs · $0.60 / 1,000 overage
Self-Hosted
Free forever
No limits
Pay AWS SES directly at ~$0.10 / 1,000 — no Posthawk markup
SendGrid4 tiers
Free$0
100/day (after 60-day full-tier trial)
~3,000 / month effective
Essentials$19.95 / month
50,000 emails / month
No dedicated IP · shared sending pool
Pro$89.95 / month
100,000 emails / month
Includes one dedicated IP · A/B testing · sub-users
PremierCustom
1.5M+ / month
Multiple dedicated IPs · 24/7 support · custom SLAs
Advantages

Why switch to Posthawk

Built for AI agents from day one

Posthawk ships an 18-tool MCP server with OAuth 2.1 and PKCE so Claude, Cursor, and any MCP-compatible client can send email by natural language. SendGrid has nothing in this category — you would build the integration yourself.

A built-in AI assistant

Pro and Scale dashboards include an AI helper that drafts subject lines, rewrites HTML, and parses natural-language schedules ("send tomorrow at 9am"). SendGrid offers spam detection and email validation as separate paid APIs, not a writing assistant.

Cheaper overage, and a free self-host path

On the cloud, Posthawk Pro is $20/month for 50,000 emails — close to SendGrid Essentials ($19.95) on base, but with cheaper $0.60 per 1,000 overage and an AI assistant included. If you self-host, you pay AWS SES directly at $0.10 per 1,000 with no Posthawk markup at all. SendGrid offers neither option.

Per-workspace reputation isolation

Each Posthawk workspace gets its own dedicated SES Virtual Deliverability Manager tenant. One customer's bounce rate cannot drag down another's. SendGrid puts you on shared IP pools unless you pay $79.95/month for a dedicated IP.

Self-host or stay on the cloud — your choice

When SendGrid raises prices, deprecates a feature, or has an outage, you have no fallback. Posthawk runs as Docker images you can deploy in your own infra in minutes, with the same dashboard, API, and SDKs.

Ready to switch from SendGrid?

Follow the step-by-step migration guide to move from SendGrid to Posthawk with minimal downtime.

Migration Guide

Try Posthawk today

Start sending emails in minutes. Free to self-host, no credit card required for cloud.

Get Started FreeDocumentation
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