Handle Kit - Check username across social networks

Social Freemium View on RapidAPI ↗

HandleKit’s Username API Checker helps product teams, marketers, and agencies answer one question fast: **can I use this handle?** Submit a username and receive a structured status—typically `available`, `taken`, or `unknown` when Instagram blocks or throttles automated checks—plus a list of **alternative handle ideas** (prefixes, suffixes, numeric variants) you can show in onboarding or…

5 subscribers
8.7/10 popularity
6431 ms avg latency
100% success rate
16 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

Handle Kit - Check username across social networks endpoints

MethodEndpointDescription
Instagram
POST marketplaceInstagramUsernameCheck
/marketplace/v1/instagram/username-check 		Uses marketplace proxy rotation when configured. Not persisted to the app database.
Behance
POST marketplaceBehanceUsernameCheck
/marketplace/v1/behance/username-check
Facebook
POST marketplaceFacebookUsernameCheck
/marketplace/v1/facebook/username-check
GitHub
POST marketplaceGithubUsernameCheck
/marketplace/v1/github/username-check
GitLab
POST marketplaceGitlabUsernameCheck
/marketplace/v1/gitlab/username-check
Kick
POST marketplaceKickUsernameCheck
/marketplace/v1/kick/username-check
Pinterest
POST marketplacePinterestUsernameCheck
/marketplace/v1/pinterest/username-check
Reddit
POST marketplaceRedditUsernameCheck
/marketplace/v1/reddit/username-check
Snapchat
POST marketplaceSnapchatUsernameCheck
/marketplace/v1/snapchat/username-check
Telegram
POST marketplaceTelegramUsernameCheck
/marketplace/v1/telegram/username-check 		Uses MTProto (logged-in session). Same code path as public check; no HTTP proxy rotation.
Threads
POST marketplaceThreadsUsernameCheck
/marketplace/v1/threads/username-check
TikTok
POST marketplaceTiktokUsernameCheck
/marketplace/v1/tiktok/username-check
Tumblr
POST marketplaceTumblrUsernameCheck
/marketplace/v1/tumblr/username-check
Twitch
POST marketplaceTwitchUsernameCheck
/marketplace/v1/twitch/username-check
X
POST marketplaceXUsernameCheck
/marketplace/v1/x/username-check
YouTube
POST marketplaceYoutubeUsernameCheck
/marketplace/v1/youtube/username-check

Handle Kit - Check username across social networks pricing

PlanPriceRate limitQuotas
BASIC Free 5 / minute
  • Requests: 50 / monthly
PRO $100 / month 15 / minute
  • Requests: 1,000 / monthly (then $0.1000 each)
ULTRA Recommended $1,000 / month 30 / minute
  • Requests: 12,000 / monthly (then $0.1000 each)
MEGA $5,000 / month 60 / minute
  • Requests: 80,000 / monthly (then $0.1000 each)

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