Sellers.json Checker
Verify programmatic ad seller identity and publisher account legitimacy via IAB Sellers.json specifications.
How It Works
An authoritative lookup tool for IAB Tech Lab Sellers.json directories. Queries supply-side platforms (SSPs) and ad exchanges to verify whether a publisher account ID is registered, confidential, an intermediary, or a direct inventory owner.
Privacy & Processing
Exchange domain is queried via our secure proxy · No user credentials recorded. Unlike ad-supported directories, there are no third-party trackers, promotional popups, or artificial download delays.
Frequently Asked Questions
How does Sellers.json Checker process my data?
The target URL or domain is fetched via our secure proxy to perform network diagnostics and parse public response headers. No personal user data or target site content is permanently stored.
Are there usage limits or account registration required?
No account or paid subscription is required. All production tools are accessible directly with zero mandatory registration or artificial delays.
Does Sellers.json Checker produce official scoring or ranking guarantees?
Diagnostic and analytical tools provide objective technical measurements and recommendations based on documented web standards. Diagnostic scores do not predict search engine rankings or guarantee business outcomes.
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