{ "schema": "csoai.x402/0.2", "one_line": "agents pay per artefact — issuance, assembly, cadence; the board and verification stay free", "x402Version": 2, "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31", "mode": "live", "mode_note": "A settled receipt (facilitator /verify then /settle) unlocks the paid artefact. Verification of every artefact stays free.", "extensions": { "offer-receipt": { "supported": true, "emission": "conditional", "board_signing_key_configured": true, "facilitator_configured": true, "spec": "https://github.com/x402-foundation/x402/blob/69652a69798f0b08f95bef33318896e36e210f7e/specs/extensions/extension-offer-and-receipt.md", "spec_commit": "69652a69798f0b08f95bef33318896e36e210f7e", "format": "jws", "alg": "EdDSA", "kid": "did:web:csoai.org#board-attestation-1", "did_document": "https://csoai.org/.well-known/did.json", "offers": "signed only when BOARD_SIGN_KEY_PKCS8_B64 is provisioned and an accepts[] entry can be committed; otherwise the 402 omits the offer-receipt block and csoai.offer_receipt names the gap", "receipts": "signed only after facilitator-confirmed settlement when the facilitator names a payer and BOARD_SIGN_KEY_PKCS8_B64 is provisioned; otherwise receiptGap names why no signed receipt was attached", "eip712": "NOT offered. The extension admits eip712 and jws; when a board key is provisioned the edge can emit jws but has no secp256k1 signer. A client that requires eip712 should treat this rail as unsigned rather than expect a format we cannot produce.", "verify": { "hosted": "https://councilof-ai.pages.dev/api/receipts/verify", "offline": "https://councilof.ai/verifier/verify_receipt.py — same-site checker; reads the public DID document or replays a retained local copy; guide https://councilof.ai/verifier/receipt-toolkit.md" }, "receipts_by_payer": "https://councilof-ai.pages.dev/api/receipts?payer=0x…" } }, "resources": [ { "method": "GET", "url": "https://councilof-ai.pages.dev/api/free-door", "paid_for": null, "amount": "0", "description": "Live board totals and the signed public root — free: the GSPC board and Merkle root a buyer can verify without paying.", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "0", "maxAmountRequired": "0", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31", "maxTimeoutSeconds": 300, "extra": { "name": "USD Coin", "version": "2", "decimals": 6, "symbol": "USDC" }, "csoai_pricing": { "product_id": "csoai.product.request_attestation", "sku_id": "request_attestation", "pricing_basis": "STANDARD", "campaign_id": null, "normal_amount_atomic": "0", "offered_amount_atomic": "0", "fresh_compute_excluded": true }, "resource": "https://councilof-ai.pages.dev/api/free-door", "description": "Live board totals and the signed public root — free: the GSPC board and Merkle root a buyer can verify without paying.", "mimeType": "application/json" } ], "accepts_v1": [ { "scheme": "exact", "network": "base", "maxAmountRequired": "0", "resource": "https://councilof-ai.pages.dev/api/free-door", "description": "Live board totals and the signed public root — free: the GSPC board and Merkle root a buyer can verify without paying.", "mimeType": "application/json", "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31", "maxTimeoutSeconds": 300, "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "extra": { "name": "USD Coin", "version": "2" }, "outputSchema": { "type": "object" } } ], "note": "Payable and priced at zero — it settles, and charges nothing. It answers 402 rather than 200 on purpose: the x402 Bazaar catalogues only a resource that settles, so a 200 route cannot be indexed. It belongs in resources rather than quarantined because it is a live 402 route, not a withdrawn one. To read the same content without any x402 handshake, GET a free_equivalents URL — those answer 200.", "free_equivalents": [ "https://councilof-ai.pages.dev/api/gspc", "https://councilof-ai.pages.dev/root.json" ] }, { "method": "GET", "url": "https://councilof-ai.pages.dev/api/request-attestation?subject=model-or-subject-id", "paid_for": "issuance", "description": "One named subject gets a card-v0 commission receipt: SHA-256 content-addressed and Ed25519-signed by did:web:csoai.org#board-attestation-1 when available, otherwise sig_ed25519:null with unsigned_reason. Check csoai.signer before paying. Paid reserve returns up to 24 card-v1 references from dated /signed/card-matrix.json only; reserve_count covers that corpus. The separate interop root in the free preview is not included in the paid reserve. Payment never creates a MEASURED board cell.", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "amount": "10000", "maxAmountRequired": "10000", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31", "maxTimeoutSeconds": 300, "extra": { "name": "USD Coin", "version": "2", "decimals": 6, "symbol": "USDC" }, "csoai_pricing": { "product_id": "csoai.product.request_attestation", "sku_id": "request_attestation", "pricing_basis": "PROMO_EXISTING_DATA", "campaign_id": "csoai-launch-30d-20260911", "normal_amount_atomic": "20000", "offered_amount_atomic": "10000", "starts_at": "2026-09-11T00:00:00Z", "ends_at": "2026-10-11T00:00:00Z", "fresh_compute_excluded": true }, "resource": "https://councilof-ai.pages.dev/api/request-attestation?subject=model-or-subject-id", "description": "One named subject gets a card-v0 commission receipt: SHA-256 content-addressed and Ed25519-signed by did:web:csoai.org#board-attestation-1 when available, otherwise sig_ed25519:null with unsigned_reason. Check csoai.signer before paying. Paid reserve returns up to 24 card-v1 references from dated /signed/card-matrix.json only; reserve_count covers that corpus. The separate interop root in the free preview is not included in the paid reserve. Payment never creates a MEASURED board cell.", "mimeType": "application/json" } ], "accepts_v1": [ { "scheme": "exact", "network": "base", "maxAmountRequired": "10000", "resource": "https://councilof-ai.pages.dev/api/request-attestation?subject=model-or-subject-id", "description": "One named subject gets a card-v0 commission receipt: SHA-256 content-addressed and Ed25519-signed by did:web:csoai.org#board-attestation-1 when available, otherwise sig_ed25519:null with unsigned_reason. Check csoai.signer before paying. Paid reserve returns up to 24 card-v1 references from dated /signed/card-matrix.json only; reserve_count covers that corpus. The separate interop root in the free preview is not included in the paid reserve. 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Free forever; POST a RAS receipt to verify it.", "outputSchema": { "type": "object", "required": [ "schema", "state", "free" ], "properties": { "schema": { "const": "csoai.verify/0.1" }, "state": { "enum": [ "VALID", "INVALID", "UNCHECKABLE" ] }, "record_url": { "type": "string" }, "fetched": { "type": "object", "properties": { "http_status": { "type": [ "integer", "null" ] }, "bytes": { "type": "integer" }, "sha256": { "type": [ "string", "null" ] } } }, "family": { "type": [ "string", "null" ] }, "checks": { "type": "array" }, "free": { "const": true } } } }, { "method": "GET", "url": "https://councilof-ai.pages.dev/api/x402/index", "free": true, "description": "Daily x402 conformance index — serves the latest SIGNED daily run when one exists; until then says INDEX_PENDING and points at the latest unsigned census run, never an invented list. Free.", "outputSchema": { "type": "object", "required": [ "schema", "state", "free" ], "properties": { "schema": { "const": "csoai.x402-index/0.1" }, "state": { "enum": [ "SIGNED", "INDEX_PENDING", "SIGNATURE_INVALID", "UNCHECKABLE" ] }, "index": { "type": [ "object", "null" ] }, "latest_unsigned_run": { "type": [ "object", "null" ] }, "free": { "const": true } } } } ], "mcp": { "url": "https://councilof-ai.pages.dev/mcp", "transport": "streamable-http", "paid_tools": [ "commission_card", "art50_marking_evidence", "rwa_evidence", "receipts_batch" ], "free_tools": [ "board_totals", "get_axis", "verify_card", "list_cards", "get_root", "get_card", "verify_inclusion", "x402_trust", "mcp_trust", "measurement_index", "verify_capsule", "server_evidence" ], "how": "tools/call without x_payment returns the route's 402 challenge per the x402 MCP transport: isError:true, the PaymentRequired object in structuredContent and as JSON in content[0].text; pay, then call again with x_payment" }, "quarantined": [ { "url": "https://councilof-ai.pages.dev/api/witness?sha256=<64-hex>", "lifecycle": "QUARANTINED_PRE_RELEASE", "buyable": false, "reason": "paid witness issuance is disabled until a release gate verifies leaf → signed root → sidecar → Rekor → OpenTimestamps", "free_status": "https://councilof-ai.pages.dev/api/witness/status?sha256=<64-hex>" } ], "index_membership": "not asserted by this manifest — whether a third-party index lists a resource is measured by reading that index, never typed here", "not": [ "score", "certificate", "filled-cells", "pay-to-pass", "rank" ], "catalog": "https://councilof-ai.pages.dev/api/x402", "board": "https://councilof-ai.pages.dev/api/gspc", "verify": "https://councilof-ai.pages.dev/gspc-verify", "explainer": "https://councilof-ai.pages.dev/pricing", "agent_paths": [ "@x402/fetch", "x402-fetch (v1)", "curl -i → read accepts[]" ] }