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Developer Tools
One API key for all social platforms
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Zernio
Social APIs for developers and AI agents
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About Zernio
Zernio is marketing infrastructure for products and AI agents: one integration gives you official APIs for every channel - social publishing and scheduling across 16 platforms, a Blogs API for WordPress and Shopify, an Advertising API spanning Meta, Google, LinkedIn, TikTok, Pinterest, X and more ad networks, and a Communication API unifying WhatsApp, iMessage, SMS and voice calls with phone numbers in 55 countries. Platform reviews, token rotations and rate limits are handled for you, and you can integrate three ways: eight SDKs plus the raw REST API, an MCP server for agents, or a shell CLI.
Zernio website preview
Live preview of zernio.com via the WordPress mShots service — it can take a few seconds to generate on a first visit.
Zernio: strengths & things to check
Strengths
- Free tier available — you can start without paying (freemium model).
- Covers api, social publishing, ads, messaging, mcp — see the focus areas listed in its key facts.
- Has 6 close alternatives in the same category on this page, so switching or comparing is easy.
Things to check
- The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
- Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
- It is one of 1164 tools in the Developer Tools category here — compare it against the alternatives below before you commit.
Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.
Zernio pricing
| Pricing model | Freemium — a free tier lets you start, and paid plans are available if you need more. |
|---|---|
| Free access | Yes — free tier, paid upgrades available |
| Current plan prices | Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale. |
| Official site | zernio.com |
Zernio key facts
- Category: Developer Tools
- Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
- Focus areas: api, social publishing, ads, messaging, mcp
- Official site: zernio.com
Zernio FAQ
How much does Zernio cost?
Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (zernio.com).
What is Zernio used for?
Social APIs for developers and AI agents Its focus areas in the Developer Tools category: api, social publishing, ads, messaging, mcp.
Where can I try Zernio?
On its official site, zernio.com — the Visit Official Site button above goes straight there.
Zernio vs alternatives
| Zernio | KeyAPI | MCP Registry | Action1 | |
|---|---|---|---|---|
| Pricing | Freemium — a free tier lets you start, and paid plans are available if you need more. | Freemium — a free tier lets you start, and paid plans are available if you need more. | Free — listed in this directory as a free tool, with no paid plan required to use it. | Freemium — a free tier lets you start, and paid plans are available if you need more. |
| Focus areas | api, social publishing, ads, messaging, mcp | api, social data, mcp, agents, analytics | mcp, registry, api | monitoring, deployment, api, infrastructure |
| Official site | zernio.com | keyapi.ai | registry.modelcontextprotocol.io | action1.com |
| Directory status | Listed | Listed | Listed | Listed |
Side-by-side from each listing's own directory data. Full alternative cards are below.
About the Developer Tools category
Editors, platforms, and services developers rely on to build and ship software. The Developer Tools category on Tools Hub currently lists 1164 tools. Alongside Zernio, it includes KeyAPI, WhisperAPI, Cohere, LMQL.
Alternatives to Zernio
Tools in the same Developer Tools category that share focus areas with Zernio — worth comparing before you commit:
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The official registry for Model Context Protocol servers
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Developer infrastructure, handled
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Open-source RAG platform with built-in citations and deep research
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Open-source hybrid search system behind a single REST API.
A
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One API key for 130+ AI models: text, image, video, voice
More in Developer Tools
Comparing tools in the Developer Tools category? These related listings are worth a look: KeyAPI — One API key for all social platforms; WhisperAPI — Fast, accurate video and audio transcription API powered by OpenAI Whisper; Cohere — Enterprise AI that is private, secure and customizable, with North platform and models.
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One API key for all social platforms
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On-calls, rotations, incidents and tasks on Slack and Microsoft Teams