Zernio

Zernio: Marketing infrastructure for agents providing social, ads, inbox, WhatsApp, SMS and calls behind one API key.

Zernio provides marketing infrastructure for agents and products to reach customers across multiple channels. It covers social media, blogs, messaging, voice, and ads behind one API key. Users can publish and manage posts, run ad campaigns, buy phone numbers, and handle WhatsApp, SMS, and calls. It includes an MCP server and works with tools like Claude Code, Cursor, Codex, OpenClaw, Grok bot, and Hermes. The platform is designed for builders and developers seeking to avoid platform reviews and rate limit management.

Zernio at a glance

Best for: Software engineer, Founder
Runs on: Web, API, CLI
Pricing: Free for first 2 accounts; Build plan usage-based starting at $48/month; Enterprise custom pricing
Released: March 2026
Category: AI agent tool
Website: zernio.com

Key features

Post and schedule across social networks
Run advertising campaigns
Manage WhatsApp, SMS, and calls
Publish and manage WordPress and Shopify articles
Pull analytics and read metrics
Receive real-time webhooks
Integrate via MCP server or REST API

Use it for

Scheduling social media posts and threads
Launching and managing multi-platform ad campaigns
Handling customer messages and DMs
Publishing blog articles on WordPress and Shopify
Adding voice calling and SMS to applications

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