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Zero-Day Dynamics Username Enumeration
x402
Zero-Day Dynamics Username Enumeration is a paid API for AI agents from zero-daydynamics.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-10-22).
Performs a Sherlock-style sweep to check whether a given username exists across major social and online platforms.
Price / call$0.15
Success—
StatusUnknown
How this service works
Username enumeration across major platforms (native Sherlock-style sweep).
Output
A list of platforms where the queried username was found, including profile URLs or account links for each match, and an indication of presence or absence per platform across a wide sweep of major social networks and online services.
Example use cases
OSINT investigation on suspect handle
“I'm investigating a potential scammer who goes by 'cryptoking88' — can you sweep all major platforms and tell me everywhere that username has an active account?”
Brand username availability check
“We're launching a new product called 'Lumivex' — can you check if the username 'lumivex' is already registered on any major social or online platforms before we commit to the brand?”
Personal digital footprint audit
“Can you scan all the major platforms for my old username 'jake_creates' and show me everywhere it shows up so I know what accounts I still have out there?”
Technical details
Endpoint
POSThttps://zero-daydynamics.com/api/x402/username-enum?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a broad, multi-platform username sweep similar to the open-source Sherlock tool, without managing your own scraping infrastructure. It is ideal for OSINT investigations, brand protection, digital footprint auditing, or verifying username uniqueness across dozens of platforms in a single API call rather than querying each site individually.
Side effects
- Username not found on any platform — returns empty match list
- Rate limiting or blocking by target platforms during sweep — partial results returned
- Invalid or empty username input — returns validation error
- Network timeout reaching certain platforms — incomplete sweep results
- Platform structure changes breaking detection — false negatives on some sites
Tags
x402
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