Back to all APIs
Validation

NameCheck.
One API Key.

Check username availability across 50+ platforms

Get Started FreeAlso available on RapidAPI →
Stateless API Processing — No request data stored

Features

Username availability on 50+ platforms

Social media (Twitter, Instagram, TikTok, LinkedIn)

Developer platforms (GitHub, npm, PyPI, crates.io)

Domain availability included

Real-time verification (not cached)

Batch checking for brand launches

Use Cases

Brand Launches

Verify username availability across all major platforms before launching a new brand or product.

Influencer Onboarding

Check username consistency for influencers and creators joining your platform.

Agency Services

Offer social media availability checking as part of brand naming services.

Personal Branding

Secure consistent handles across platforms when building a personal brand.

Pricing

Start free with 50/month. Scale up as you grow.

Free

50/month

Free
  • 50/month
  • 5/min
  • Hard limit
Get Started

Pro

2k/month

$9.99/mo
  • 2k/month
  • 30/min
  • $0.005/req
Get Started
Best Value

Ultra

20k/month

$49.99/mo
  • 20k/month
  • 150/min
  • $0.0025/req
Get Started

Mega

100k/month

$199/mo
  • 100k/month
  • 500/min
  • $0.002/req
Get Started

Frequently Asked Questions

We check 50+ platforms including Twitter, Instagram, TikTok, LinkedIn, GitHub, npm, PyPI, YouTube, Facebook, and major domain TLDs.
Yes, we check availability in real-time against each platform. Results are not cached to ensure accuracy.
Provide multiple name variations in a single request. We check each variation across all platforms and return comprehensive results.
NameCheck verifies username availability only. For trademark concerns, see our Brand Intel API which includes trademark conflict checking.

Start using NameCheck API today

Free tier available. No credit card required.