vs
Zernio

The Zernio Alternative
for Developers

Connect as many accounts of each platform as you need with 1 account free forever, native MCP server, and transparent usage based pricing.

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import { Configuration, PostsApi } from "@onepostly/sdk"; const posts = new PostsApi( new Configuration({ apiKey: process.env.ONEPOSTLY_API_KEY }), ); await posts.createPost({ createPostBody: { text: "Ship once. Post everywhere.", mediaUrls: ["https://cdn.example.com/launch.png"], destinations: [{ accountId: "conn_x_123" }, { accountId: "conn_ig_456" }], }, });

Trusted by developers and teams shipping across every platform

Why Onepostly over Zernio

Same platform reach. Up to 50+ less cost. Zero plan lock in.

Onepostly

Usage based · 1 account free forever

  • Connect unlimited accounts of each platform

    Connect unlimited accounts without profile barriers

  • 1 account free forever with no credit card

    First account free forever with unlimited posts

  • Fair usage based pricing

    Prices drop to $3 and $1 per account as you grow

  • Native MCP server for AI agents

    Full tool coverage for Claude Cursor and AI agents

  • Instant API key in 30 seconds

    Start posting immediately with zero approval wait

  • Official TypeScript and Python SDKs

    Complete type safety across TypeScript and Python

Zernio

Social media scheduling API

Zernio
  • Profile limits 1 account per platform per set

    Restricts each profile to 1 account per platform

  • Higher entry pricing per account

    Charges $6 per account instead of $5 on Onepostly

  • Complex profile grouping structure

    Forces multi account setups into fragmented sets

  • Pass through fee markups

    Applies markups that complicate monthly bills

Feature and Pricing

Direct breakdown between Onepostly and Zernio

FeatureOnepostlyZernio
Accounts per platformUnlimited accounts of each network1 account per platform per profile
Paid entry price$5 per account$6 per account
AI Agent MCP ServerNative MCP server includedSupported
Workspace structureUnified connection pool per organizationSocial set fragmentation
Official SDKsTypeScript Python and RESTMultiple languages

Which Platform Is Right for You

Choose Onepostly if you

  • Manage multiple accounts on the same platform for a single client or project
  • Want lower $5 per account entry pricing instead of $6
  • Need a clean unified organization workspace without rigid social sets
  • Building autonomous AI agent tools with MCP
  • Prefer straightforward usage billing with no unexpected add on markups

Choose Zernio if you

  • Specifically need 2 free accounts and will never connect more
  • Manage exactly 1 account per platform per profile
  • Need languages outside TypeScript and Python for SDKs

Frequently asked questions

Common questions when comparing Onepostly with Zernio.

Zernio restricts users to 1 account per platform per profile, meaning two Instagram accounts require two separate social sets. Onepostly allows you to connect unlimited accounts per platform under a single workspace with $5 entry pricing.

Onepostly has no single account per platform rule. You can connect 2, 10, or 50 accounts of any platform to your organization and publish to any combination in a single API call.

Onepostly provides 1 account free forever then $5 and $3 and $1 per account. Zernio charges $6 per account on earlier tiers.

Yes. Onepostly includes an official native MCP server for Claude Cursor and autonomous agent frameworks.

You can sign up and copy your API key in 30 seconds with no credit card required.