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What is Zernio?

Zernio is a unified social media API platform that enables developers and AI agents to publish, schedule, and manage content across 14+ social networks through a single integration. Instead of building and maintaining separate integrations with each platform's API, developers make one API call and Zernio handles authentication, media formatting, rate limits, and platform-specific requirements. The platform supports Instagram Business and Creator APIs, TikTok Business API, LinkedIn Company and Personal APIs, YouTube Data API, Twitter/X API, Facebook Graph API, Meta Business Suite, Pinterest API, Google My Business API, Reddit API, Threads API, Bluesky API, and WhatsApp Business API. Key capabilities include post scheduling and publishing, content management across all platforms, comments and DMs automation, analytics tracking, ads management, media upload and management, webhook notifications, rate limit management, and automatic token refresh. Zernio is designed for developers and technical teams building products that require social media functionality, including SaaS companies embedding social features into their own products, agencies managing client accounts at scale, and AI agent builders who need programmatic social posting. The product is white-label, meaning end users never see Zernio branding. Developer-friendly SDKs and comprehensive API documentation support fast implementation, reducing integration time from months to under an hour. A free version and free trial are available, with usage-based pricing.

What is PostOnce?

PostOnce is an innovative social media automation platform tailored for creators, entrepreneurs, teams, and agencies. It simplifies the process of sharing content across major networks like TikTok, Instagram, YouTube, Facebook, LinkedIn, X, Threads, Bluesky, Reddit, and Pinterest, all through a unified workflow. Users can connect their social media profiles to avoid the monotonous work of uploading the same content repeatedly; instead, they can design customized workflows, efficiently schedule their posts, and guarantee that their material is distributed smoothly across different platforms. This approach not only enhances the user experience but also allows for better content management. Ultimately, PostOnce helps users save valuable time and amplify their digital footprint by making content distribution more efficient and less time-consuming. The platform's user-friendly interface ensures that even those new to social media management can easily navigate its features.

Media

Media

No images available

Integrations Supported

Facebook
Instagram
LinkedIn
Pinterest
Reddit
Threads
TikTok
X (Twitter)
YouTube
Bluesky
Brainpercent
Google Business Profile
Snapchat
Telegram
WhatsApp

Integrations Supported

Facebook
Instagram
LinkedIn
Pinterest
Reddit
Threads
TikTok
X (Twitter)
YouTube
Bluesky
Brainpercent
Google Business Profile
Snapchat
Telegram
WhatsApp

API Availability

Has API

API Availability

Has API

Pricing Information

$19/month
Free Trial Offered?
Free Version

Pricing Information

$29/month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Zernio

Date Founded

2025

Company Location

Spain

Company Website

zernio.com/

Company Facts

Organization Name

PostOnce

Date Founded

2025

Company Website

postonce.to

Categories and Features

Categories and Features

Social Media Management

Automated Publishing
Brand Tracking
Content Management
Customer Engagement
Multi-Account Management
Multi-User Collaboration
Post Scheduling
Reporting/Analytics
Social Media Monitoring

Popular Alternatives

Popular Alternatives

No Alternatives