All projects on Base matching “username”

Twitter/X user profile lookup by username — the full public profile as JSON: display name, bio, follower and following counts, verification status, avatar, location, join date and pinned post. For influencer vetting, audience research and account enrichment.

The largest positions in a coin as pump.fun tracks them: each holder's wallet, pump.fun username and profile, amount held, position value, cost basis, realized and unrealized P&L and whether they are the developer. Use for holder concentration and smart-money analysis of a token.

Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like admin@ or support@. One address per call.

Full Instagram profile by username — bio, follower and following counts, posts count, verified and business account flags, category, contact email, external and bio links, profile picture, plus the first page of recent posts and a cursor for more. Instagram profile lookup, creator and influencer stats, follower count, social audience data. No API key.

X (Twitter) account metadata for any handle (based_in, source app, username-change count, recent-activity proxy). Utility endpoint.

Universal social post stats for $0.01. Pass any public post URL from instagram.com, tiktok.com, twitter.com, or x.com as ?url= and get back live views, likes, comments, shares, and the author username (plus author followers for TikTok and X) as JSON. The platform is auto-detected from the URL hostname. Great default endpoint for agents that just have a link.

Check if an address or identity exists in database. Use ?address=0x... or ?identity=@handle (works for Twitter, email, any username)

Profile + recent tweets + avg engagement in one call. e.g. GET /workflows/profile-digest?username=elonmusk&tweet_count=20

Use to monitor or research public Telegram channels (crypto, news, project announcements, signals): pass a channel username (e.g. durov, telegram, or a t.me link) and get up to 20 recent posts with text, ISO date, view count, outbound links, forwarded-from, photo/video flags and t.me post URLs, plus the channel title, bio and subscriber count. Add q= to search posts within that channel, before= to

Advanced startup name check: domains across 13 TLDs, GitHub, npm, PyPI, X, YouTube and Instagram handles, available .com name variants, notable Wikidata name collisions, plus ready-to-call links for App Store, Google search and EU trademark checks.