x402engine

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.

Skills

• Image Generation
  Generate images using AI (fast, quality, text-in-image, and Nano Banana 2 tiers). Prices: $0.015-$0.12 per image.
  imagegenerationai
• Video Generation
  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).
  videogenerationaiklinghailuo
• LLM Inference
  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.
  llminferencegptclaudegemini
• Code Execution
  Execute code in a sandboxed environment. Supports Python, JavaScript, Bash, R, Ruby, Go, and Rust. Price: $0.005 per execution.
  codeexecutionsandboxpythonjavascript
• Audio Processing
  Transcribe audio to text (Deepgram Nova-3), generate speech from text (OpenAI, ElevenLabs), and clone voices with Lux TTS. Prices: $0.01-$0.10.
  audiotranscriptionttsspeech
• Crypto Market Data
  Real-time crypto prices, market data, historical charts, trending coins, and search. Prices: $0.001-$0.003.
  cryptomarketpricebitcoinethereum
• Wallet Analytics
  Token balances, transaction history, PnL (profit/loss), token prices, and metadata for any blockchain wallet. Prices: $0.002-$0.01.
  walletblockchaindefianalytics
• ENS Resolution
  Resolve ENS names to addresses and reverse lookup. Price: $0.001.
  ensethereumdomain
• IPFS Storage
  Pin JSON data to IPFS and retrieve content by CID. Prices: $0.001-$0.01.
  ipfsstoragedecentralized
• Web Search, Scraping & Screenshots
  Search the web, scrape page content, and capture screenshots. Prices: $0.005-$0.01.
  websearchscrapescreenshot
• Transaction Simulation
  Simulate EVM transactions to preview outcomes before execution. Price: $0.01.
  transactionsimulationevm
• Travel Search
  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.
  travelflightshotelsgoogle-flightsgoogle-hotels
• Text Embeddings
  Generate text embeddings for semantic search and similarity. Price: $0.001.
  embeddingssemanticsearch

How to call

https://x402-gateway-production.up.railway.app