{
  "openapi":"3.1.0",
  "info":{"title":"MilliAPI Micropaid APIs","version":"1.2.0","description":"Machine-readable utilities for AI agents. Paid endpoints use x402 v2 with USDC on Base mainnet."},
  "servers":[{"url":"https://milliapi.com"}],
  "components":{"parameters":{"PublicUrl":{"name":"url","in":"query","required":true,"description":"Public HTTPS URL","schema":{"type":"string","format":"uri","pattern":"^https://"},"example":"https://example.com"}},"responses":{"PaymentRequired":{"description":"x402 payment required","headers":{"PAYMENT-REQUIRED":{"description":"Base64-encoded x402 v2 payment requirements","schema":{"type":"string"}}}}}},
  "paths":{
    "/api/catalog":{"get":{"summary":"List MilliAPI services and prices","operationId":"listServices","responses":{"200":{"description":"Free machine-readable catalog","content":{"application/json":{"schema":{"type":"object"}}}}}}},
    "/api/ai-robots-check":{"get":{"summary":"Check robots.txt policy for AI crawlers","operationId":"checkAiRobotsPolicy","parameters":[{"$ref":"#/components/parameters/PublicUrl"}],"responses":{"200":{"description":"AI crawler policy result","content":{"application/json":{"schema":{"type":"object"}}}},"402":{"$ref":"#/components/responses/PaymentRequired"}},"x-milliapi-pricing":{"protocol":"x402","priceUsd":0.001,"currency":"USDC","network":"eip155:8453"}}},
    "/api/llms-txt-check":{"get":{"summary":"Check whether a website publishes llms.txt","operationId":"checkLlmsTxt","parameters":[{"$ref":"#/components/parameters/PublicUrl"}],"responses":{"200":{"description":"llms.txt discovery result","content":{"application/json":{"schema":{"type":"object"}}}},"402":{"$ref":"#/components/responses/PaymentRequired"}},"x-milliapi-pricing":{"protocol":"x402","priceUsd":0.001,"currency":"USDC","network":"eip155:8453"}}},
    "/api/page-metadata":{"get":{"summary":"Extract page metadata for agent workflows","operationId":"extractPageMetadata","parameters":[{"$ref":"#/components/parameters/PublicUrl"}],"responses":{"200":{"description":"Page metadata","content":{"application/json":{"schema":{"type":"object"}}}},"402":{"$ref":"#/components/responses/PaymentRequired"}},"x-milliapi-pricing":{"protocol":"x402","priceUsd":0.002,"currency":"USDC","network":"eip155:8453"}}},
    "/api/agent-web-audit":{"get":{"summary":"Audit AI crawler and machine-discovery readiness","operationId":"auditWebReadiness","parameters":[{"$ref":"#/components/parameters/PublicUrl"}],"responses":{"200":{"description":"Combined readiness audit","content":{"application/json":{"schema":{"type":"object","properties":{"score":{"type":"integer","minimum":0,"maximum":100},"page":{"type":"object"},"discovery":{"type":"object"},"aiCrawlerHomepageAccess":{"type":"object"}}}}}},"402":{"$ref":"#/components/responses/PaymentRequired"}},"x-milliapi-pricing":{"protocol":"x402","priceUsd":0.005,"currency":"USDC","network":"eip155:8453"}}}
  }
}