x402engine

{
  "name": "x402engine",
  "description": "Pay-per-call API gateway for AI agents. 76 tools including image generation, video generation, LLM inference (44 models), code execution, audio transcription, voice cloning, crypto data, wallet analytics, travel (flights & hotels), ENS, IPFS, web search, web scraping, and transaction simulation. All via HTTP 402 micropayments with USDC and USDm.",
  "url": "https://x402-gateway-production.up.railway.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 (Kling, Hailuo) or animate images. Fast ($0.30), quality ($0.50), and premium ($0.60) tiers plus image-to-video ($0.50).",
      "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 44 LLM models including GPT-5.4/5.4 Pro/5.3 Codex, GPT-5 Nano, o4-mini, Claude Opus 4.6/4.5, Claude Sonnet 4.6, Gemini 3.1 Pro/Flash Lite, Llama 4 Maverick, Grok 4 Fast, Cohere Command A, MiniMax M2.7, DeepSeek V3.2 Speciale, Qwen 3.5, plus Llama, Grok, Kimi, MiniMax, GLM, Seed, Devstral, Mistral, and Perplexity. Prices: $0.002-$0.30 per request.",
      "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 (OpenAI, ElevenLabs), and clone voices with Lux TTS. 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"
      ]
    }
  ],
  "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"
  }
}