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KiteEndpoints.ai Username Check
x402
KiteEndpoints.ai Username Check is a paid API for AI agents from kite-endpoints.vercel.app, paid per call via x402, $0.06/call, status unknown (last checked 2026-10-21).
Checks whether a given username is available or already taken across social platforms or a specific service
Price / call$0.06
Success—
StatusUnknown
How this service works
400+ paid API endpoints. Social media, AI, crypto, finance, weather, ecommerce, tools. Pay per request with USDC on Base chain.
Output
Returns an object indicating whether the queried username is available or already taken, typically including the username checked and a boolean or status field reflecting availability.
Example use cases
Brand handle availability check
“I'm launching a new brand called 'NovaSpark' — can you check if that username is available so I can claim it?”
Personal handle search before signup
“Before I sign up, can you check if the username 'pixel_nomad' is already taken?”
Bulk candidate username screening
“I have a few username ideas — 'techvoyager', 'techvoyager99', and 'the_techvoyager' — can you check which ones are still available?”
Technical details
Endpoint
POSThttps://kite-endpoints.vercel.app/api/username-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, pay-per-use username availability check without managing API keys for individual social platforms. Ideal for agents that need to validate handles programmatically before account creation or brand registration workflows.
Side effects
- Username not provided — returns validation error
- Platform not specified if required — may default or return error
- Rate limit exceeded — returns 429 or payment required error
- Internal lookup failure — returns 500 with generic error message
- Username contains invalid characters — returns validation error
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| result | object | API response data |
Tags
x402
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