Unverified50% confidenceFactExact time
When a browser-side agent initiates a paid call, if the preflight request fails due to a missing header name, no 402, 400, or timeout will appear in the server logs, because the request never left the browser.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedIn the 2026-10-02 incident, the exposed list omitted PAYMENT-REQUIRED and PAYMENT-RESPONSE, so the browser client could receive the 402 but could not parse the acceptable payment terms.72% similarUnverifiedThe Authorization header of the HTTP Request node must be written as 'Bearer ' plus the token with a space in between; omitting the space will cause the request to fail.65% similarUnverifiedPayment companies do not guarantee that webhook messages arrive in the order they occurred, nor that they are sent only once, so applications need idempotent handling and the ability to ignore stale events.65% similarUnverifiedA missing request header in Access-Control-Allow-Headers causes the preflight to fail, the actual business request is never sent, and the server produces no error logs.65% similarUnverifiedOn a cache miss, if the tenant's sliding window token budget has been exceeded, the proxy directly returns HTTP 429 without touching the upstream.62% similar
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