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API Reference

Echo the client certificate spektr observed

Returns the issuer, subject and serial number of the client certificate presented on this request, so a client can confirm its certificate reaches Spektr and matches the pair registered on its API key.

On a non-mTLS hostname every certificate field is null. A successful mTLS request carries no certificate identity in API Gateway access logs, which is why this endpoint exists.

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Unauthorized — missing or invalid API key

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