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Blocked requests
If a request is rejected by a guardrail (not a budget), it returns 403 and appears on your Blocked requests page, where you can see why and report a false positive.
Prerequisite
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Why a request is blocked
Guardrails screen each request before it reaches a model. A request is blocked when it matches:
- a PII rule (sensitive data like an email, phone number, or key), or
- a prompt-injection rule (pattern-based or semantic) intended to subvert the model.
A blocked request never reaches the provider, so it costs nothing against your budget.
Review and report
- Open Blocked requests in the console.
- Find the request — you'll see the time and the rule that matched.
- If it was wrongly blocked, click Report to flag it as a false positive. Your org admin can then tune the guardrail.

Distinguish 403 from 429
A 403 means a guardrail blocked the content. A 429 means you hit a budget or token limit — see Usage & budget. The request lifecycle table maps each status to its gate.
Next steps
- Administrators tune rules in Guardrails.