Skip to content

Headers Reference

CRP v3.0 defines 58 HTTP header fields, all prefixed CRP-*. The complete normative reference is SPEC-002, which is the document submitted to the IANA HTTP Field Name Registry.

This page is a developer-friendly index.

Header Categories

Category Examples Purpose
Identity CRP-Session-Id, CRP-Window-Id, CRP-Call-Id Correlate requests, responses, windows
Context CRP-Envelope-Hash, CRP-Context-Tokens, CRP-CKF-Source Describe the envelope sent to the model
Continuation CRP-Continuation-Of, CRP-Window-Index, CRP-Deferred-Facts Window DAG bookkeeping
Provenance CRP-Provenance-HMAC, CRP-Provenance-Chain, CRP-Source-Map Cryptographic chain
Quality CRP-Quality-Tier, CRP-Flow-Score, CRP-Completeness-Ratio DPE output
Safety CRP-Safety-Policy, CRP-Safety-Verdict, CRP-Safety-Reason, CRP-Hallucination-Risk Safety enforcement
Compliance CRP-Compliance-EU-AI-Act, CRP-Compliance-ISO-42001, CRP-Compliance-GDPR, CRP-Compliance-NIST-AI-RMF Regulatory tagging
Audit CRP-Audit-Sink, CRP-Audit-Mode, CRP-Audit-Trail-URI Where evidence goes
Multi-agent CRP-Chain-Id, CRP-Chain-Budget, CRP-Chain-Step, CRP-Risk-Accumulator Multi-agent safety
Dispatch CRP-Dispatch-Strategy, CRP-Dispatch-Attempt, CRP-Retry-After-Risk Dispatch behaviour

For the per-header normative table, see SPEC-002 — Header Field Specification.