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Secret Redaction Preflight
x402
Secret Redaction Preflight is a paid API for AI agents from phion.systems, paid per call via x402, $0.002/call, status unknown (last checked 2026-09-14).
Detects and redacts common secret indicators (API keys, tokens, passwords, credentials) from a payload before it is transmitted to an external tool or service.
Price / call$0.002
Success—
StatusUnknown
How this service works
Detect and redact common secret indicators before transmission
Output
Returns the original payload with any detected secret indicators redacted or masked, along with a report of what was found (e.g. types of secrets detected, number of occurrences, redaction locations), enabling the caller to safely proceed with transmission or halt if necessary.
Example use cases
Sanitize agent output before API call
“I'm about to send some dynamically generated text to a third-party webhook — can you run a secret redaction preflight on it first to make sure no API keys or tokens accidentally got included?”
Prevent credential leakage in logs
“Before we write this agent context to our logging service, scan it for any secrets like passwords or access tokens and redact them so nothing sensitive ends up in our logs.”
Pre-transmission security check for LLM output
“The model just generated a response that might contain credentials from the system prompt — run a secret redaction preflight on it before we forward it to the user or any downstream tool.”
Technical details
Endpoint
POSThttps://phion.systems/v1/paid/trust/secret-redaction-preflightWhen to prefer
Choose this endpoint when an AI agent is about to transmit data to an external tool, API, or logging service and needs a fast preflight check to ensure no credentials, API keys, tokens, or passwords are included in the outgoing payload. It is especially valuable in agentic pipelines where LLM-generated content may inadvertently echo secrets from system prompts or tool responses. Prefer this over manual pattern matching or generic data-egress filters when you need a lightweight, low-latency, per-call check focused specifically on secret indicators rather than broad data classification.
Side effects
- Malformed or empty input payload returns a validation error
- Unknown or unsupported secret pattern formats may not be detected
- Very large payloads may exceed size limits or increase latency
- Encoded or obfuscated secrets (e.g. base64-encoded keys) may evade pattern matching
- Service unreachable returns a 402 or 5xx error requiring retry
Input
Schema · Request body
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object"
}Tags
x402
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