{ "version": "1.0", "protocol": "x402", "chain": "base", "chainId": 8453, "currency": "USDC", "currencyAddress": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "facilitator": "https://api.cdp.coinbase.com/platform/v2/x402", "endpoints": [ { "path": "/api/x402/treasury-state", "method": "GET", "price": "0.001", "description": "NAV, basket composition, Crash Shield status" }, { "path": "/api/x402/health", "method": "GET", "price": "0.002", "description": "Wallet-specific balances, cooldown status", "requiredParams": [ "wallet" ], "example": "https://gblin.digital/api/x402/health?wallet=0x0000000000000000000000000000000000000001", "note": "Without these parameters the endpoint returns 400 (no charge) instead of the 402 challenge: fetch the example URL to see the terms." }, { "path": "/api/x402/quote", "method": "GET", "price": "0.001", "description": "Quote USDC→GBLIN with fees", "requiredParams": [ "direction", "amount" ], "example": "https://gblin.digital/api/x402/quote?direction=buy&amount=100", "note": "Without these parameters the endpoint returns 400 (no charge) instead of the 402 challenge: fetch the example URL to see the terms." }, { "path": "/api/x402/invest", "method": "GET", "price": "0.002", "description": "4-step unsigned calldata for USDC→GBLIN", "requiredParams": [ "usdc", "wallet" ], "example": "https://gblin.digital/api/x402/invest?usdc=10&wallet=0x0000000000000000000000000000000000000001", "note": "Without these parameters the endpoint returns 400 (no charge) instead of the 402 challenge: fetch the example URL to see the terms." }, { "path": "/api/x402/jit", "method": "GET", "price": "0.005", "description": "JIT unsigned calldata for GBLIN→USDC", "requiredParams": [ "usdc", "wallet" ], "example": "https://gblin.digital/api/x402/jit?usdc=10&wallet=0x0000000000000000000000000000000000000001", "note": "Without these parameters the endpoint returns 400 (no charge) instead of the 402 challenge: fetch the example URL to see the terms." }, { "path": "/api/x402/governance", "method": "GET", "price": "0.001", "description": "Timelock state and governance info" }, { "path": "/api/x402/attestation", "method": "GET", "price": "0.003", "description": "Perishable (10-min) verifiable Risk Attestation: BTC/ETH regime proof-of-diligence agents attach to actions" }, { "path": "/api/x402/seal", "method": "POST", "price": "0.01", "description": "AI Action Receipts: seal the hashes of an AI action into the public RFC 6962 transparency log; returns a portable receipt (Ed25519 signature + inclusion proof + signed checkpoint), root anchored daily on Base. Body: {action, input_hash, output_hash?, agent_id?, tool?, meta?}" } ], "contact": "info@gblin.digital", "website": "https://gblin.digital", "docs": "https://gblin.digital/agents", "contract": "0x36C81d7E1966310F305eA637e761Cf77F90852f0", "mcp": { "stdio": "npx @gblin-protocol/mcp-server", "http": "https://gblin-mcp.gblin-mcp-worker.workers.dev/mcp", "smithery": "https://smithery.ai/servers/gblin-protocol/mcp", "registry": "io.github.gblinproject/gblin-treasury-risk-regime", "note": "8 free MCP tools in a dot-notation tree (risk.regime, risk.attestation_sample, protocol.info, protocol.stats, coherence.report, receipts.seal (demo 5/day/IP), receipts.get, receipts.verify) plus 2 prompts and 4 resources. Nothing is paid over MCP: the paid attestation and unlimited seals are the x402 endpoints above.", "prompts": [ "risk_gate", "seal_and_verify" ], "audit": { "meta": "https://gblin-mcp.gblin-mcp-worker.workers.dev/meta", "tools": "https://gblin-mcp.gblin-mcp-worker.workers.dev/tools.json", "resources": "https://gblin-mcp.gblin-mcp-worker.workers.dev/resources.json", "conformance": "https://gblin-mcp.gblin-mcp-worker.workers.dev/conformance", "note": "GET-only mirrors of the MCP surface, for reviewers and clients that cannot POST" } }, "attestationSample": "https://gblin.digital/api/x402/attestation-sample", "receipts": { "seal": "https://gblin.digital/api/x402/seal", "price": "$0.01 USDC (x402, Base)", "demo": "https://gblin-mcp.gblin-mcp-worker.workers.dev/v1/seal-demo", "log": "https://gblin-mcp.gblin-mcp-worker.workers.dev/log", "note": "input/output as hashes only (action label and meta are published); evidence of existence and time in a signed append-only log, root anchored daily on Base; not a compliance certificate; independent witness cosigning: invitation open", "for_witnesses": { "checkpoint": "https://gblin-mcp.gblin-mcp-worker.workers.dev/log/checkpoint", "consistency": "https://gblin-mcp.gblin-mcp-worker.workers.dev/log/consistency?old=&new=", "leaves": "https://gblin-mcp.gblin-mcp-worker.workers.dev/log/leaves?start=&end=", "inclusion": "https://gblin-mcp.gblin-mcp-worker.workers.dev/log/proof/", "verify": "https://gblin-mcp.gblin-mcp-worker.workers.dev/v1/verify/", "note": "RFC 6962 append-only proof and raw records: rebuild the tree yourself. Independent cosigning invitation open." } }, "attestor": { "address": "0x3ae65d36e8b1d82B0B80669E769A3dc300D543e4", "signs": "the EIP-712 risk attestation served by /api/x402/attestation", "note": "Attestations are signed by this address. Pin it: a valid signature that recovers to a DIFFERENT address is not ours. If it is ever rotated, the new address is published here and in llms.txt with the rotation date, and the old one is listed as retired.", "retired": [] }, "facilitatorPolicy": { "active": "Coinbase CDP — used whenever CDP_API_KEY_ID/SECRET are configured, which is the current production setup", "fallback": "https://facilitator.payai.network (used only if CDP is disabled via X402_ENABLE_CDP=false or the keys are absent)", "note": "Payers do not need to care: any x402 v2 client (@x402/fetch, AgentKit, CDP) handles the flow from the 402 challenge alone." }, "witness": { "name": "gblin.digital/witness", "endpoint": "https://gblin-mcp.gblin-mcp-worker.workers.dev/witness", "cosigns": "markovianprotocol.com/log", "note": "We co-sign a third party's transparency log every 10 minutes, after verifying its signature and a consistency proof." } }