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Ideas, guides,
and updates.
Practical writing on iMessage, SMS, RCS, compliance, and the messaging stack — built for developers and operators who ship.
All posts
18 total
sZ
otp
iMessage OTP Verification: Faster, Encrypted, and Easy
Send OTP codes via iMessage with automatic SMS fallback. Under 1-second delivery, end-to-end encrypted, no carrier filtering. Code examples included.
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gohighlevel
GoHighLevel + iMessage: How to Connect HighLevel to senderZ
Connect GoHighLevel to senderZ for iMessage delivery. OAuth setup, subaccount mapping, automation triggers. Full integration guide.
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hubspot
How to Send iMessage and SMS from HubSpot Workflows
Connect HubSpot to senderZ for iMessage and SMS delivery. OAuth setup, contact sync, workflow actions. Full integration guide.
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mcp
How to Add a Messaging MCP Server to Claude Code
Send iMessage and SMS directly from Claude Code with the senderZ MCP server. Zero-code messaging in one command.
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mcp
How to Add a Messaging MCP Server to Claude Code
Install the senderZ MCP server in one command. Send iMessage and SMS from Claude Code via natural language.
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chatbot
How to Build a Two-Way SMS Chatbot with the senderZ API
Build a chatbot that sends and receives iMessage and SMS. Webhook setup, AI reply suggestions, conversation threading. Full tutorial.
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compliance
Customer Texted STOP: What It Means and What to Do
What happens when a customer texts STOP. TCPA rules, automatic handling, START opt-back-in, and tips to reduce opt-outs for your business.
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sms-marketing
Text Message Marketing for Local Businesses (2026 Guide)
How local businesses use text marketing to fill appointments, run promotions, and build loyalty. Contact list building, campaign ideas, and compliance.
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business-texting
How to Text Customers From Your Business (2026 Guide)
Learn how to text customers professionally. Covers compliance, opt-in rules, STOP handling, timing, and tone for business texting.
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appointment-reminders
Send Appointment Reminders by Text (Reduce No-Shows)
How text appointment reminders reduce no-shows by up to 30%. Templates, timing tips, quiet hours, and setup guide for any business.
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otp
Build a Phone Verification Flow with the senderZ API
Step-by-step tutorial to build OTP phone verification using senderZ. Generate code, send via iMessage, verify. Full Node.js example.
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imessage
How to Detect iMessage vs SMS Before Sending
Use the senderZ capabilities API to check if a phone number supports iMessage before sending. 24-hour cache, batch support.
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imessage
iMessage for Business: How Companies Use It in 2026
Can businesses use iMessage? Yes. Learn why blue bubbles build trust, how read receipts help, and how to set up iMessage for your business.
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sms
How to Send SMS Without Twilio in 2026
Twilio alternatives for sending SMS. No 10DLC, no per-message fees, iMessage included. Code examples and pricing.
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imessage
iMessage vs SMS: Deliverability, Speed, and Open Rates Compared
Data-driven comparison of iMessage and SMS. Delivery speed, open rates, read receipts, carrier filtering.
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imessage
How to Send iMessage from an API (Without Jailbreaking)
Step-by-step guide to sending iMessages programmatically using the senderZ API. No jailbreak required.
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10dlc
What Is 10DLC? And How to Send SMS Without It
10DLC explained in plain English. What it costs, why it exists, and how to send SMS without registering.
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