{"name":"ToolMint US Econ Rates","tool":"us-econ-rates-json","version":"0.1.0","description":"US Treasury Fiscal Data (average interest rates, exchange rates, debt to the penny) + daily Treasury yield curve + BLS CPI — one normalized JSON feed for AI agents. No API keys.","pricing":{"priceUsd":0.005,"price":"$0.005","asset":"USDC","network":"eip155:8453","networkName":"Base mainnet","payTo":"0xfbF7413bcB3a604936775C96FDbe0b0C9c9E37F5","scheme":"exact","usdc":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"facilitator":{"choice":"payai","url":"https://facilitator.payai.network","needsApiKey":false,"notes":"PayAI public facilitator — Base mainnet exact USDC without an API key for the free credit tier (1,000). Optional PAYAI_API_KEY_ID/SECRET later to scale. x402.org facilitator is testnet-only; do not use for mainnet."},"endpoints":{"free":[{"method":"GET","path":"/","description":"This catalog"},{"method":"GET","path":"/health","description":"Liveness"},{"method":"GET","path":"/.well-known/x402","description":"x402 discovery metadata"},{"method":"GET","path":"/openapi.json","description":"OpenAPI 3.1 discovery"}],"paid":[{"method":"GET","path":"/rates?includeHistory=true&historyDays=60","description":"Latest + history normalized feed","price":"$0.005"},{"method":"GET","path":"/rates/latest","description":"Latest-only snapshot","price":"$0.005"},{"method":"GET","path":"/rates/history?historyDays=90&startYear=2024&endYear=2026","description":"History-focused feed","price":"$0.005"}]},"contact":"toolmint.dev@gmail.com","sources":["api.fiscaldata.treasury.gov","home.treasury.gov","api.bls.gov"],"x402":true}