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We keep running into the same gap across APIs, crypto, AI, and infrastructure:
systems can verify things, but there’s no standard way to require verification as a precondition for execution.
Verification without enforcement is just observability.
If a request can still run when proof is missing, correctness is assumed — not guaranteed.
This shows up in many forms:
▫️APIs trusting responses
▫️Oracles assumed correct
▫️Audits that happen after damage is done
Different domains. Same problem.
What’s missing isn’t better cryptography or faster systems. It’s a first-class way for an interface to say:
“This action cannot run unless a requirement is met.”
HTTP already encodes important preconditions:
▫️ 401 — identity required
▫️402 — payment required
But there’s no native way to say:
Verification Required.
We’re exploring this gap as a proposed HTTP standard called x442 — Verification Required.
The idea is simple: make verifiable proof a precondition for execution, not something checked after the fact.
This isn’t about refusal for its own sake.
It’s about making verification enforceable at the interface, so correctness moves from “assumed” to “required.”
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