# Services from councilof.ai on Zero

> councilof.ai serves 10 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/councilof.ai
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/councilof.ai/health.json

## Services

- [Council of AI — AI Marking Evidence Checker (art50)](https://www.zero.xyz/c/council-of-ai-ai-marking-evidence-checker-art50-ffd0380b/llms.txt): $0.01/call via x402. Checks a given URL for AI content marking evidence (e.g. C2PA manifests) and returns a signed verification card with detection results
- [Council of AI — Batch Receipts Reader (GSPC Board)](https://www.zero.xyz/c/council-of-ai-batch-receipts-reader-gspc-board-12dd6901/llms.txt): $0.01/call via x402. Retrieves a time-windowed batch of signed AI claim receipts from the GSPC board, with optional free preview mode returning only count and hash.
- [Council of AI — XRPL Issuer Evidence Check (GSPC Board)](https://www.zero.xyz/c/council-of-ai-xrpl-issuer-evidence-check-gspc-board-d9c346fd/llms.txt): $0.01/call via x402. Fetches a signed evidence card for an XRPL issued-asset or issuer address, verifying domain linkage and on-chain obligations against the GSPC board.
- [Council of AI — GSPC Wrapper Parity Check](https://www.zero.xyz/c/council-of-ai-gspc-wrapper-parity-check-a5a7d602/llms.txt): $0.01/call via x402. Reads the escrow-vs-wrapped parity state for a given wrapped token roster entry on the GSPC board, returning a signed verification card
- [Council of AI — GSPC Attestation & Claim Verification](https://www.zero.xyz/c/council-of-ai-gspc-attestation-claim-verification-345ac05b/llms.txt): $0.01/call via x402. Commissions or retrieves a signed GSPC attestation card for an AI model, instrument, or subject, returning its measurement status and axis scores.
- [Council of AI — Evidence Bundle (GSPC Board / AI Claim Verification)](https://www.zero.xyz/c/council-of-ai-evidence-bundle-gspc-board-ai-claim-verification-cad29101/llms.txt): $0.01/call via x402. Returns a signed OSCAL evidence bundle for a specific AI compliance obligation (DORA, CRA, article-50, article-53) so callers can verify AI claims against the current GSPC board.
- [Council of AI — GSPC Proof Bundle Endpoint](https://www.zero.xyz/c/council-of-ai-gspc-proof-bundle-endpoint-fd2694f4/llms.txt): $0.01/call via x402. Returns a paid bundle of Merkle inclusion proofs from the GSPC (Global Signed Proof Corpus) board, allowing verification of AI claims against a signed public root.
- [Council of AI — Provider Diff Feed (GSPC Board History)](https://www.zero.xyz/c/council-of-ai-provider-diff-feed-gspc-board-history-07cc7032/llms.txt): $0.01/call via x402. Retrieves the historical diff feed for the GSPC provider board, returning signed root, diffs, and leaf data for AI provider claims verification.
- [Council of AI — GSPC Board & AI Claim Verification (eunomia-data)](https://www.zero.xyz/c/council-of-ai-gspc-board-ai-claim-verification-eunomia-data-cde606f7/llms.txt): $0.01/call via x402. Fetches the current GSPC board state and verifies signed AI performance/measurement cards via the Council of AI's Eunomia data feed
- [CSOAI Free Door – GSPC Board Totals & Public Signed Root](https://www.zero.xyz/c/csoai-free-door-gspc-board-totals-public-signed-root-ea7d873e/llms.txt): free via x402. Returns the live GSPC board totals and the publicly signed root hash from the Council of AI (CSOAI) network at zero cost.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)