{
  "schemaName": "a2a-agent-card",
  "schemaVersion": "0.2-draft",
  "name": "DeroPay Documentation",
  "description": "Read-only agent surface for DeroPay and DeroAuth — DERO-native payment processing, wallet authentication, on-chain escrow, and HTTP 402 (x402) payment-required guards. Covers Next.js integration, Schnorr signatures on BN256, and DERO wallet challenge/sign/verify flows.",
  "url": "https://deropay.derod.org",
  "version": "2026.05.28",
  "provider": {
    "organization": "DERO Project",
    "url": "https://derod.org"
  },
  "documentationUrl": "https://deropay.derod.org/llms.txt",
  "iconUrl": "https://deropay.derod.org/favicon.ico",
  "defaultInputModes": ["text/plain", "application/json"],
  "defaultOutputModes": ["text/markdown", "application/json"],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "skills": [
    {
      "id": "integrate_dero_payments",
      "name": "Integrate DERO-native payments",
      "description": "Add DERO payment processing to a web application — invoice generation, payment monitoring, settlement, and reconciliation against on-chain state.",
      "tags": ["payments", "dero", "integration", "next-js"],
      "examples": [
        "Add DeroPay to a Next.js checkout flow.",
        "How does DeroPay detect a paid invoice?",
        "What is the settlement model for DeroPay?"
      ]
    },
    {
      "id": "implement_dero_auth",
      "name": "Implement DeroAuth wallet login",
      "description": "Wire challenge/sign/verify wallet authentication using the `dero-auth` package. Covers Schnorr signatures on BN256, custom generator point, Keccak-256 hashing, and Bech32 address encoding.",
      "tags": ["auth", "wallet-login", "schnorr", "cryptography"],
      "examples": [
        "Implement Sign In with DERO on my web app.",
        "How does DeroAuth verify a wallet signature server-side?",
        "What is the challenge/sign/verify flow?"
      ]
    },
    {
      "id": "gate_with_x402",
      "name": "Gate routes with HTTP 402 (x402)",
      "description": "Use DeroPay's x402 guard to charge per-request access to API routes and resources, denominated in DERO and settled on-chain.",
      "tags": ["x402", "http-402", "pay-per-request", "api-gating"],
      "examples": [
        "Add an x402 guard to a Next.js API route.",
        "How does x402 settle payment on-chain?",
        "What headers does the x402 challenge response include?"
      ]
    },
    {
      "id": "search_deropay_docs",
      "name": "Search and navigate DeroPay documentation",
      "description": "Full-text search across the DeroPay docs corpus — payments, auth, escrow, x402. Every page has a `.md` mirror for direct agent ingestion.",
      "tags": ["docs", "search", "navigation"],
      "examples": [
        "Find docs on the DeroPay escrow contract.",
        "List DeroAuth cryptography references.",
        "How do I test DeroPay against a local simulator?"
      ]
    }
  ],
  "securitySchemes": {
    "none": {
      "type": "none",
      "description": "Public read-only documentation; site content requires no authentication. Daemon RPC, wallet RPC, and hosted MCP HTTP transport apply their own authentication where configured."
    }
  },
  "extensions": {
    "dero": {
      "chain": "DERO Stargate Mainnet",
      "mcp_server": {
        "name": "io.github.DHEBP/dero-mcp-server",
        "card": "https://deropay.derod.org/.well-known/mcp-server-card.json",
        "repository": "https://github.com/DHEBP/dero-mcp-server",
        "npm": "dero-mcp-server",
        "transport": ["stdio", "http"]
      },
      "sister_sites": [
        { "name": "DERO Blockchain", "url": "https://derod.org" },
        { "name": "TELA", "url": "https://tela.derod.org" },
        { "name": "Hologram", "url": "https://hologram.derod.org" }
      ],
      "discovery": {
        "llms_txt": "https://deropay.derod.org/llms.txt",
        "agents_md": "https://deropay.derod.org/agents.md",
        "skill_md": "https://deropay.derod.org/SKILL.md"
      },
      "privacy_posture": {
        "site_logs": "none",
        "telemetry": "none",
        "tracking": "none",
        "docs_mirror_format": "markdown",
        "rationale": "DERO is a privacy-first chain; its docs surface honors the same posture."
      }
    }
  }
}