Zernio is a marketing infrastructure platform that provides a single API for managing social media, advertising, messaging, and communication channels. It covers 16 social platforms, 7 ad networks, WhatsApp, iMessage, and phone numbers with calls and SMS that can be purchased within the platform. Developers can integrate via REST API, an MCP server, or a CLI, and Zernio handles channel integrations, platform approvals, and maintenance on official APIs.
Zernio
Marketing infrastructure for products and agents

Zernio Introduction
Key Features
- One API for 16 social platforms and 7 ad networks
- WhatsApp, iMessage, and phone number support with calls and SMS
- Phone numbers purchasable directly inside Zernio
- REST API, MCP server, and CLI for agent-based and manual integration
- Handling of integrations, platform approvals, and ongoing maintenance on official APIs
Use Cases
- Adding social media and ad channel integrations to a product via one API
- Enabling AI agents or coding agents to manage marketing channels through the MCP server or CLI
- Managing messaging channels such as WhatsApp, iMessage, and SMS from a single key
- Provisioning phone numbers with calls and SMS for outbound communication
Why Startups Use It
Zernio lets startups avoid building and maintaining channel-by-channel marketing integrations. A single API covers social, ads, and messaging, with approvals and maintenance handled on official APIs, so small teams and agent-driven products can ship marketing capabilities faster.
Frequently Asked Questions
What is Zernio?
Zernio is marketing infrastructure that exposes social, ads, messaging, and telephony channels behind a single API, handling integrations, platform approvals, and maintenance on official APIs.
How can developers integrate Zernio?
Developers can use the REST API in their code, or let coding agents connect via Zernio's MCP server and CLI.
Which channels does Zernio support?
One API covers 16 social platforms, ads on 7 networks, WhatsApp, iMessage, and phone numbers with calls and SMS.
Is there a free option?
According to the website, Zernio is free up to 2 accounts.
More About Zernio
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