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BaseBuilder LinkedIn X-Checker
x402
BaseBuilder LinkedIn X-Checker is a paid API for AI agents from bb-linkedin.vercel.app, paid per call via x402, $0.080236/call, status unknown (last checked 2026-10-19).
Checks or validates an X (Twitter) handle or related cross-platform data via the BaseBuilder LinkedIn API hub
Price / call$0.080236
Success—
StatusUnknown
How this service works
BaseBuilder Linkedin API hub - 19 paid endpoints
Output
Returns a validation or status result for the provided X/Twitter handle, potentially including cross-platform profile information or verification status from the BaseBuilder LinkedIn hub.
Example use cases
Example prompt
“Can you check whether the X handle @johnsmith is valid and pull any cross-platform info on it using the BaseBuilder LinkedIn x-checker?”
Technical details
Endpoint
POSThttps://bb-linkedin.vercel.app/api/x-checker?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to validate or cross-reference an X (Twitter) handle, especially in workflows involving LinkedIn profile enrichment or social identity verification. Prefer this over manual lookup when automating multi-platform social data checks.
Side effects
- Invalid or missing X handle in request body returns error
- Unrecognized username returns not-found result
- Payment not completed results in 402 response
- Rate limiting may return 429 error
- Server error on vercel deployment returns 500
Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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