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Context Provenance Labeler
x402
Context Provenance Labeler 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).
Hashes and labels agent context with integrity, confidentiality, and source declarations to establish trust provenance
Price / call$0.002
Success—
StatusUnknown
How this service works
Hash and label agent context by declared integrity, confidentiality and source
Output
Returns a hash of the submitted context along with structured provenance labels encoding the declared integrity level, confidentiality classification, and source identifier — enabling downstream agents or systems to verify and reason about the trustworthiness of the context.
Example use cases
Multi-agent pipeline context handoff
“Before passing this context blob to the downstream agent, label it with integrity 'verified', confidentiality 'confidential', and source 'tool-output' so the receiving agent knows exactly what trust level it carries.”
Audit trail for agent decision context
“I need a tamper-evident provenance label on the context my agent used to make this decision — mark the integrity as 'declared', confidentiality as 'internal', and source as 'retrieval-system'.”
Classifying untrusted external context
“This context came from an external API and I want to label it before using it — hash it and stamp it with integrity 'untrusted', confidentiality 'public', and source 'external-api' so my pipeline can enforce appropriate policies on it.”
Technical details
Endpoint
POSThttps://phion.systems/v1/paid/trust/context-provenance-labelerWhen to prefer
Choose this endpoint when your agent pipeline requires explicit provenance tracking on context — particularly before handing context between agents, storing it, or using it to make high-stakes decisions. It is the right choice when you need a tamper-evident, machine-readable label encoding integrity, confidentiality, and source rather than a simple checksum or manual annotation.
Side effects
- Missing or malformed context payload returns a 400 error
- Unsupported integrity or confidentiality enum values result in validation rejection
- Empty context body may return a schema validation error
- Service unavailability or timeout returns a 5xx error
- Hash collision edge cases may require retry with explicit nonce
Input
Schema · Request body
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object"
}Tags
x402
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