Zernio

Affiliate program

runs an affiliate program aimed at content creators, technical writers, and marketing bloggers, paid on a conversion basis.

What it does

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Zernio is a unified API that lets developers publish, schedule, and manage content across 14-plus social networks (including Instagram, TikTok, LinkedIn, YouTube, X, Facebook, Pinterest, Reddit, Threads, Bluesky, and WhatsApp Business) through a single integration, rather than building a separate connection to each platform.

The pricing model is genuinely unusual and worth calling out: instead of subscription tiers, Zernio charges per connected social account, starting free for the first 2 accounts, then scaling down from $6 to $3 to $1 per account as volume grows, with every feature, scheduling, analytics, inbox, and API access, included at every tier rather than gated behind higher plans.

Who this helps

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• A SaaS company or agency wanting to build white-label social scheduling into its own product without building each platform integration from scratch

• A developer automating social posting or DM handling for multiple client accounts through code rather than a dashboard

• An agency managing many small client accounts who wants predictable, low per-account cost instead of per-seat SaaS pricing

• Not a fit for a solo marketer who wants an out-of-the-box scheduling app, since Zernio is API-first infrastructure, not a consumer product

Free tier:

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See the vendor site for current free tier details.