{
 "name": "Agent Ready Checkout API",
 "version": "v1",
 "edition": "2026-11-04",
 "documentation": "https://agentreadycheckout.com/developers",
 "openapi": "https://agentreadycheckout.com/openapi.json",
 "api_catalog": "https://agentreadycheckout.com/.well-known/api-catalog",
 "auth": "none",
 "rate_limit": {
  "requests": 120,
  "window_seconds": 60
 },
 "versioning": {
  "current": "v1",
  "policy": "breaking changes ship under a new prefix; the old prefix stays for 180 days",
  "announcements": "https://agentreadycheckout.com/developers"
 },
 "endpoints": [
  {
   "path": "/api/v1/get_matrix_cell",
   "method": "GET",
   "summary": "One matrix cell",
   "parameters": [
    "protocol_id",
    "column_id"
   ],
   "example": {
    "protocol_id": "acp",
    "column_id": "stripe"
   },
   "paginated": false
  },
  {
   "path": "/api/v1/list_protocol_support",
   "method": "GET",
   "summary": "One protocol across the columns",
   "parameters": [
    "protocol_id",
    "status",
    "group",
    "limit",
    "cursor"
   ],
   "example": {
    "protocol_id": "ucp",
    "status": "live"
   },
   "paginated": true
  },
  {
   "path": "/api/v1/list_column_support",
   "method": "GET",
   "summary": "One column across the protocols",
   "parameters": [
    "column_id",
    "status",
    "limit",
    "cursor"
   ],
   "example": {
    "column_id": "shopify"
   },
   "paginated": true
  },
  {
   "path": "/api/v1/search_rules",
   "method": "GET",
   "summary": "Liability and rules tracker",
   "parameters": [
    "network",
    "q",
    "since",
    "limit",
    "cursor"
   ],
   "example": {
    "network": "visa"
   },
   "paginated": true
  },
  {
   "path": "/api/v1/get_discovery_prevalence",
   "method": "GET",
   "summary": "Commerce discovery file prevalence",
   "parameters": [
    "group",
    "path"
   ],
   "example": {},
   "paginated": false
  },
  {
   "path": "/ask",
   "method": "GET, POST",
   "summary": "NLWeb 0.55 ask",
   "example": {
    "query": "x402 Coinbase"
   }
  }
 ],
 "datasets": [
  {
   "key": "matrix",
   "title": "Protocol support matrix",
   "description": "The 324 cells of the matrix: protocol, column, status, note, source URL and read date, with the status legend and the column groups.",
   "downloads": [
    {
     "url": "https://agentreadycheckout.com/data/protocol-matrix-2026-11-04.json",
     "type": "application/json"
    },
    {
     "url": "https://agentreadycheckout.com/data/protocol-matrix-2026-11-04.csv",
     "type": "text/csv"
    }
   ]
  },
  {
   "key": "names",
   "title": "Matrix names",
   "description": "The name, short name, operator, homepage and page of each protocol and each column, for the ids used in the matrix file.",
   "downloads": [
    {
     "url": "https://agentreadycheckout.com/data/matrix-names-2026-11-04.json",
     "type": "application/json"
    }
   ]
  },
  {
   "key": "rules",
   "title": "Liability and rules tracker",
   "description": "The 23 dated rule and policy changes with network, document, page or section and who carries the dispute.",
   "downloads": [
    {
     "url": "https://agentreadycheckout.com/data/liability-rules-tracker-2026-11-04.json",
     "type": "application/json"
    },
    {
     "url": "https://agentreadycheckout.com/data/liability-rules-tracker-2026-11-04.csv",
     "type": "text/csv"
    }
   ]
  },
  {
   "key": "discovery",
   "title": "Commerce discovery file prevalence",
   "description": "Per crawl group and probe path: domains probed, answers of 403 or 429, valid files and the share, with the caveats.",
   "downloads": [
    {
     "url": "https://agentreadycheckout.com/data/commerce-discovery-prevalence-2026-11-04.json",
     "type": "application/json"
    },
    {
     "url": "https://agentreadycheckout.com/data/commerce-discovery-prevalence-2026-11-04.csv",
     "type": "text/csv"
    }
   ]
  }
 ],
 "mcp": {
  "endpoint": "https://agentreadycheckout.com/mcp",
  "transport": "streamable-http",
  "protocol_versions": [
   "2025-11-25",
   "2025-06-18",
   "2025-03-26"
  ],
  "server_card": "https://agentreadycheckout.com/mcp/server-card",
  "manifest": "https://agentreadycheckout.com/.well-known/mcp.json",
  "tools": [
   "get_matrix_cell",
   "list_protocol_support",
   "list_column_support",
   "search_rules",
   "get_discovery_prevalence"
  ]
 },
 "ask": {
  "endpoint": "https://agentreadycheckout.com/ask",
  "protocol": "NLWeb 0.55",
  "methods": [
   "GET",
   "POST"
  ],
  "streaming": "streaming=true or Accept: text/event-stream",
  "example": "x402 Coinbase"
 },
 "licence": {
  "name": "CC BY 4.0",
  "url": "https://creativecommons.org/licenses/by/4.0/"
 }
}