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Card snapshot
x402-gateway-production.up.railway.app
·
2026-05-21 00:19:19 UTC
·
abc985154bd0a7b5173e087158b2fc77b4ef8bd738e86ec7a98926a1d161cbed
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"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"
}
}