x402engine

{
  "name": "x402engine",
  "description": "Pay-per-call API gateway for AI agents. 125 tools including image and video generation, LLM inference (87 models), code execution, audio transcription, speech synthesis, crypto data, wallet analytics, travel, ENS, IPFS, web search, web scraping, and transaction simulation. All via HTTP 402 micropayments with USDC and USDm.",
  "url": "https://x402engine.app",
  "version": "3.0.0",
  "protocol": "a2a",
  "capabilities": {
    "tools": true,
    "streaming": false
  },
  "authentication": {
    "schemes": [
      "x402"
    ]
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "image-generation",
      "name": "Image Generation",
      "description": "Generate images using AI (fast, quality, text-in-image, and Nano Banana 2 tiers). Prices: $0.015-$0.12 per image.",
      "tags": [
        "image",
        "generation",
        "ai"
      ],
      "examples": [
        "Generate a photo of a sunset over mountains",
        "Create a logo with the text 'Hello World'"
      ]
    },
    {
      "id": "video-generation",
      "name": "Video Generation",
      "description": "Generate videos from text with Kling V3 Standard ($0.55), Kling V3 Pro ($0.70), or Hailuo 2.3 Pro ($0.65), and animate images with Kling V3 Pro ($0.70).",
      "tags": [
        "video",
        "generation",
        "ai",
        "kling",
        "hailuo"
      ],
      "examples": [
        "Generate a video of a cat walking on a beach",
        "Animate this image into a video"
      ]
    },
    {
      "id": "llm-inference",
      "name": "LLM Inference",
      "description": "Access 87 LLM routes including Claude Haiku/Sonnet/Opus 5.5, GPT-6.1 Sol, GPT-6 Luna, Mistral Large 4, Grok 4.7, Qwen3.8 Omni Flash and MiMo-V2.6 Flash/Pro. Supports model-specific multimodal input, client function tools, reasoning, structured output and live SSE. Request-specific prepaid quotes; see /docs/llm-capabilities.md.",
      "tags": [
        "llm",
        "inference",
        "gpt",
        "claude",
        "gemini"
      ],
      "examples": [
        "Ask GPT-5 to summarize this document",
        "Get Claude Opus to review this code"
      ]
    },
    {
      "id": "code-execution",
      "name": "Code Execution",
      "description": "Execute code in a sandboxed environment. Supports Python, JavaScript, Bash, R, Ruby, Go, and Rust. Price: $0.005 per execution.",
      "tags": [
        "code",
        "execution",
        "sandbox",
        "python",
        "javascript"
      ],
      "examples": [
        "Run this Python script",
        "Execute a data analysis in R"
      ]
    },
    {
      "id": "audio",
      "name": "Audio Processing",
      "description": "Transcribe audio to text (Deepgram Nova-3), generate speech from text (OpenRouter Voxtral Mini and ElevenLabs). Prices: $0.01-$0.10.",
      "tags": [
        "audio",
        "transcription",
        "tts",
        "speech"
      ],
      "examples": [
        "Transcribe this audio file",
        "Convert this text to speech"
      ]
    },
    {
      "id": "crypto-data",
      "name": "Crypto Market Data",
      "description": "Real-time crypto prices, market data, historical charts, trending coins, and search. Prices: $0.001-$0.003.",
      "tags": [
        "crypto",
        "market",
        "price",
        "bitcoin",
        "ethereum"
      ],
      "examples": [
        "Get the current price of Bitcoin",
        "Show trending cryptocurrencies"
      ]
    },
    {
      "id": "wallet-analytics",
      "name": "Wallet Analytics",
      "description": "Token balances, transaction history, PnL (profit/loss), token prices, and metadata for any blockchain wallet. Prices: $0.002-$0.01.",
      "tags": [
        "wallet",
        "blockchain",
        "defi",
        "analytics"
      ],
      "examples": [
        "Show token balances for 0x123...",
        "Get transaction history for this wallet"
      ]
    },
    {
      "id": "ens",
      "name": "ENS Resolution",
      "description": "Resolve ENS names to addresses and reverse lookup. Price: $0.001.",
      "tags": [
        "ens",
        "ethereum",
        "domain"
      ],
      "examples": [
        "Resolve vitalik.eth",
        "What ENS name does 0x123... have?"
      ]
    },
    {
      "id": "ipfs",
      "name": "IPFS Storage",
      "description": "Pin JSON data to IPFS and retrieve content by CID. Prices: $0.001-$0.01.",
      "tags": [
        "ipfs",
        "storage",
        "decentralized"
      ],
      "examples": [
        "Pin this JSON to IPFS",
        "Retrieve content from IPFS CID"
      ]
    },
    {
      "id": "web",
      "name": "Web Search, Scraping & Screenshots",
      "description": "Search the web, scrape page content, and capture screenshots. Prices: $0.005-$0.01.",
      "tags": [
        "web",
        "search",
        "scrape",
        "screenshot"
      ],
      "examples": [
        "Search for latest ethereum news",
        "Scrape the content of this URL",
        "Take a screenshot of this website"
      ]
    },
    {
      "id": "transaction-simulation",
      "name": "Transaction Simulation",
      "description": "Simulate EVM transactions to preview outcomes before execution. Price: $0.01.",
      "tags": [
        "transaction",
        "simulation",
        "evm"
      ],
      "examples": [
        "Simulate this swap transaction",
        "Preview what happens if I send this tx"
      ]
    },
    {
      "id": "travel",
      "name": "Travel Search",
      "description": "Search flights and hotels via Google Flights and Google Hotels. Find best flights with price insights, and hotels with ratings and amenities. Prices: $0.02 per search.",
      "tags": [
        "travel",
        "flights",
        "hotels",
        "google-flights",
        "google-hotels"
      ],
      "examples": [
        "Search flights from JFK to LAX on April 15",
        "Find hotels in Paris for 3 nights"
      ]
    },
    {
      "id": "embeddings",
      "name": "Text Embeddings",
      "description": "Generate text embeddings for semantic search and similarity. Price: $0.001.",
      "tags": [
        "embeddings",
        "semantic",
        "search"
      ],
      "examples": [
        "Generate embeddings for this text"
      ]
    },
    {
      "id": "media-models-october-2026",
      "name": "Image and video generation",
      "description": "GPT Image 2.5: /api/image/gpt-image-2.5 ($0.25); Seedance 2.5: /api/video/seedance-2.5 ($3.79); MiniMax H3: /api/video/minimax-h3 ($1.22)"
    }
  ],
  "provider": {
    "organization": "x402engine",
    "url": "https://x402engine.app"
  },
  "payment": {
    "protocol": "x402",
    "networks": [
      {
        "name": "Base",
        "chainId": 8453,
        "token": "USDC",
        "confirmation": "~2s"
      },
      {
        "name": "Solana",
        "token": "USDC",
        "confirmation": "~400ms"
      },
      {
        "name": "MegaETH",
        "chainId": 4326,
        "token": "USDm",
        "confirmation": "~10ms"
      }
    ]
  },
  "mcp": {
    "npm": "x402engine-mcp",
    "install": "npx -y x402engine-mcp",
    "remote": "https://x402engine.app/mcp",
    "github": "https://github.com/agentc22/x402engine-mcp"
  }
}