Turn your app into a messaging platform. iMessage, SMS, and RCS that feel like real conversations. No Twilio. No per-message fees.
senderZ
iMessage
Hey, is my order shipped yet?
Yes! Your order #4821 shipped today. Track it here: bah.is/yAp
Amazing, that was fast! 👏
Delivered
🚫 Twilio routing. ⏳ 10DLC registration. 🗑 Carrier filters. 💸 Per-message pricing.
💬 iMessage delivery. Real phone numbers. 🚀 Unlimited messages. Your infrastructure.
Because businesses shouldn't look like spam. 🙅
You should look human. 🤝
Carrier restrictions, spam filters, and per-message fees kill reply rates. senderZ fixes all of it.
10DLC registration takes 1-6 weeks. Brand approval, campaign approval, carrier review.
senderZ: Send in minutes →
A2P messages get flagged by carrier filters. Your message ends up in spam — or never arrives.
senderZ: Real P2P delivery →
Green bubble SMS from unknown senders? iMessage blue bubbles get 8x higher reply rates.
senderZ: Blue bubble trust →
The blue bubble trust. High deliverability, rich media, and native interactions.
No per-message fees. Every plan includes unlimited messages to your contacts. You only pay based on how many new people you reach.
on every plan, forever
The only messaging API with a Claude Code MCP server. Send messages directly from your AI agent.
No 10DLC, no carrier approval. Send in minutes.
TCPA opt-out, quiet hours, consent logging. Automatic.
Dashboard analytics, code examples, and everything you need — all in one place.
Request AccessMessages sent
15,240
↑ 12%
Reply rate
68%
↑ 8%
Channel breakdown
4/4
Lines
12
Tenants
99.8%
Uptime
const response = await fetch('https://api.senderz.com/v1/messages', {
method: 'POST',
headers: {
'Authorization': 'Bearer tf_live_YOUR_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
to: '+15551234567',
channel: 'auto',
body: 'Your verification code is 4821',
}),
})5 lines. No SDK required. Works with any language.
One platform, three ways to use it.
Full REST API, TypeScript SDK, and the only messaging platform with a Claude Code MCP server.
Here's what early access users are saying.
Jason K.
SaaS Founder
"Switched from Twilio to senderZ and our reply rates went from 12% to 67%. The iMessage blue bubble makes all the difference."
Sarah M.
Real Estate Agent
"Simple Mode is a game changer. I send follow-ups to my leads without touching code. My clients think I'm texting them personally."
David L.
Agency Owner
"Multi-tenant support was the reason I chose senderZ. Each client gets their own sub-account, own phone number, own analytics."
Alex T.
Full-stack Developer
"The MCP server is incredible. I literally tell Claude 'send a message to this number' and it just works through senderZ."
Maria R.
Clinic Manager
"We use senderZ for appointment reminders. Patients actually read iMessages — our no-show rate dropped 40%."
Ryan W.
E-commerce
"Unlimited messages at a flat rate? We were spending $800/month on Twilio for the same volume. Now it's $249."
Join the waitlist. We'll send your invitation as soon as your spot is ready.
14-day free trial — unlimited messages. No credit card required.
Try senderZ free for 14 days. No credit card required.
For small businesses and indie developers
250 new contacts/mo
What's included
For growing teams and agencies
1,250 new contacts/mo
What's included
For high-volume senders
10,000 new contacts/mo
What's included
All plans include unlimited messages and a 14-day free trial. No credit card required to start.
channel: "auto" and senderZ checks if the recipient has iMessage. If yes, iMessage. If not, RCS or SMS fallback.Sign up in 30 seconds and get your API key instantly. Your 14-day free trial starts immediately — no credit card, no setup calls, no waiting.