Social Media Tools API

Video downloaders, hashtag checkers, and transcription via API. Available on all paid plans.

Get API Access View API Docs

ℹ️

Paid Plans Only

Build ($19/mo): 50 calls/day. Accelerate ($49/mo): 500 calls/day. Unlimited: no limits.

Key Features

Video Downloaders

YouTube, TikTok, Instagram, X, Facebook, LinkedIn, Bluesky. HD + audio-only.

Hashtag Checker

Check if Instagram hashtags are banned or restricted.

YouTube Transcript

Extract full transcripts for repurposing and SEO.

Generous Limits

50 to unlimited daily calls depending on plan.

Same API Key

Use your existing Zernio key. No extra setup.

How It Works

1.
Get API Key
Sign up for a paid plan. Same key for posting and tools.
2.
Make API Calls
Call any tool endpoint with your Bearer token.
3.
Process Results
JSON responses with download URLs, transcripts, or analysis.

Why Use Tools API

Build Automations

Integrate downloads and analysis into your workflows.

No Scraping

Clean API. We handle platform complexity.

Always Working

We update when platforms change. No broken scrapers.

Scale with You

50 calls/day to unlimited.

Code Examples

Download YouTube Video

cURL

curl -X GET "https://zernio.com/api/v1/tools/youtube/download?url=https://youtube.com/watch?v=dQw4w9WgXcQ" \
  -H "Authorization: Bearer YOUR_API_KEY"

Check Hashtags

cURL

curl -X POST "https://zernio.com/api/v1/tools/instagram/hashtag-checker" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"hashtags": ["travel", "followforfollow", "photography"]}'

View Full API Documentation →

See it in action

Schedule and manage posts across all platforms.

Connect all your social accounts in one place.

Simple dashboard with powerful API access.

Frequently Asked Questions

How much does Tools API cost?: └Included in all paid plans. Build: 50/day, Accelerate: 500/day, Unlimited: no limits.
Can I still use free web tools?: └Yes. Website tools remain free. API is for programmatic access.
How do rate limits work?: └Per account (shared across team). Reset daily at midnight UTC.
Which platforms for downloads?: └YouTube, TikTok, Instagram, X, Facebook, LinkedIn, Bluesky.
Available formats?: └Multiple qualities (HD/SD) and audio-only. Use action=formats to list options.

Related Features

Social Media API

Schedule and manage posts

Bulk Scheduling

Upload and schedule in bulk

Ready to Automate?

API access to all tools with any paid plan.

Start Building View Documentation