SendStack
DocsShip With AILogin

A Shipr.tools Product

Control Every Email Domain
From One API

The unified email control plane for solo builders. Bring your own SES, SendGrid, Mailgun, or Resend — no monthly plans, just lifetime access and one API for everything.

Start BuildingRead the Docs
Amazon SESSendGridMailgunResend
1API
~10msRouting
90dAnalytics
100Batch Size

Architecture

One request. Automatic routing.

Your AppPOST /api/send
single endpoint
SendStack
RouteTemplateSuppressTrack
auto-routed
Providers
SESSendGridMailgunResend
Works with your AI stack
CursorClaude CodeLovableWindsurf

Unified Send API

One endpoint routes per domain to the right provider. Supports templates, batch sends, and variable interpolation.

POST /api/send

Domain Health Engine

DNS verification (SPF, DKIM, DMARC), bounce/complaint rate monitoring, webhook status, and sandbox detection.

0-100 health score

Email Templates

Store reusable HTML templates with {{variable}} interpolation. Use template_id in the API instead of raw HTML.

CRUD + API rendering

Suppression List

Auto-suppress on bounce or complaint. Manual add/remove. Blocked recipients are rejected at send time.

Auto + manual

Analytics Dashboard

14-day charts, 30-day metrics, delivery/bounce/complaint/open rates. Exportable to CSV. Real-time event log.

Charts + CSV export

Ship With AI

Generate project-specific prompts for Lovable, Claude Code, Cursor, and raw SDK. Copy, paste, ship.

4 AI integrations

Everything Included

Built for serious email infrastructure

Unified send API
Batch sending (100/call)
Template rendering
Suppression list
Webhook delivery + HMAC signatures
DNS verification (SPF/DKIM/DMARC)
Domain health scoring
Bounce/complaint rate alerts
14-day analytics charts
CSV log export
API playground
Per-project API keys

Go Live Fast

Under 5 Minutes to Production

  1. 1
    Create a projectName your workspace
  2. 2
    Add domain + credentialsSES, SendGrid, Mailgun, or Resend
  3. 3
    Verify + test sendDNS, webhook, sandbox check
  4. 4
    Copy AI prompt and shipPaste into your AI coding tool

Boundaries by Design

Not a newsletter tool.
Not a CRM.
Not a marketing suite.

SendStack is laser-focused on one thing: transactional email routing. Built for vibe coders who own their providers and want one API across all of them.

Transactional onlyYou own the providersZero vendor lock-in

Lifetime Waves

Pay once. Own it forever.

No subscriptions. No usage caps. Price increases as waves fill — early builders get the best deal.

Wave 2
$99
Next 100 seats
lifetime access
Wave 3
$129
Next 150 seats
lifetime access
Final Price
Wave 4
$149
Unlimited
lifetime access
Every wave includes
Unlimited emailsAll providersTemplates + batchSuppression listWebhook deliveryAPI playgroundAI integration promptsLifetime updates

One API. Any provider. Every domain.

Stop juggling provider dashboards. Start shipping email infrastructure that scales with you.

Get Lifetime AccessRead the Docs