x402engine
https://x402engine.appGive your AI agents 125 APIs through one payment-native integration. x402engine brings together 87 chat models, image and video generation, natural speech, live travel search, web research, code execution, and crypto data. Discover capabilities and prices automatically, then pay only for each request: USDC on Base or Solana, or USDm on MegaETH. No subscriptions or provider API keys. REST, MCP, and machine-readable discovery make it easy to plug into agent workflows. Explore the live catalog at https://x402engine.app.
Quality grade
How grading works- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Paid endpoints
113 resource(s) advertised by this origin.
https://x402engine.app/api/image/fast
Quick image generation using FLUX Schnell (~2s, good for drafts)
https://x402engine.app/api/image/quality
High-quality image generation using FLUX.2 Pro (~5s, production-ready)
https://x402engine.app/api/image/text
Image generation with accurate text rendering using Ideogram v3 (best for logos, signage)
https://x402engine.app/api/image/face-swap
Identity-preserving face swap using FLUX PuLID for portraits, product shots, and stylized edits
https://x402engine.app/api/image/nano-banana
Google's fast, high-quality image generation with aspect ratio control and optional web search
https://x402engine.app/api/video/fast
Generate a 5-second video with Kling V3 Standard in landscape, portrait, or square format
https://x402engine.app/api/video/quality
Generate a production-quality 5-second video with Kling V3 Pro
https://x402engine.app/api/video/hailuo
Generate a cinematic 1080p video with MiniMax Hailuo 2.3 Pro
https://x402engine.app/api/video/animate
Animate a public image into a 5-second video with Kling V3 Pro
https://x402engine.app/api/tts/lux
Voice-cloning text-to-speech — provide a reference audio clip and generate speech in that voice at 48kHz
https://x402engine.app/api/code/run
Run code in isolated sandbox — Python, JavaScript, Bash, R (up to 5 min)
https://x402engine.app/api/transcribe
Convert audio to text with speaker identification — covers up to 10 minutes of audio
https://x402engine.app/api/crypto/price
Real-time cryptocurrency prices for any coin in any fiat currency
https://x402engine.app/api/crypto/markets
Market rankings with price, volume, market cap — filterable by category
https://x402engine.app/api/crypto/history
Historical price, market cap, and volume data for any coin
https://x402engine.app/api/crypto/trending
Currently trending coins on CoinGecko
https://x402engine.app/api/crypto/search
Search for a coin by name or symbol to get its CoinGecko ID
https://x402engine.app/api/wallet/balances
Token balances for any wallet across 20+ chains — EVM, Solana, Bitcoin
https://x402engine.app/api/wallet/transactions
Transaction history with asset transfers and labels for any wallet
https://x402engine.app/api/wallet/pnl
Realized and unrealized profit & loss per token for any wallet
https://x402engine.app/api/token/prices
Real-time DEX-derived token prices with OHLC data — up to 200 tokens per request
https://x402engine.app/api/token/metadata
Token/asset metadata — name, symbol, decimals, chain info
https://x402engine.app/api/ipfs/pin
Pin JSON, files, or URLs to IPFS for decentralized storage
https://x402engine.app/api/ipfs/get
Fetch a file from IPFS by CID via gateway
https://x402engine.app/api/llm/gpt-4o
OpenAI's flagship multimodal model — strong all-around for text, vision, and reasoning
https://x402engine.app/api/llm/gpt-4o-mini
Fast, affordable GPT-4o variant — great for simple tasks and high-volume use
https://x402engine.app/api/llm/o1
OpenAI's reasoning model — excels at math, science, coding, and multi-step problem solving
https://x402engine.app/api/llm/claude-opus
Anthropic's most powerful model — best for complex analysis, coding, and extended thinking
https://x402engine.app/api/llm/claude-sonnet
Anthropic's balanced model — excellent coding, reasoning, and creative writing
https://x402engine.app/api/llm/claude-haiku
Anthropic's fastest model — affordable and quick for simple tasks and high throughput
https://x402engine.app/api/llm/gemini-pro
Google's most capable model — strong at reasoning, coding, and multimodal tasks
https://x402engine.app/api/llm/gemini-flash
Google's fast model — great balance of speed, quality, and cost for everyday tasks
https://x402engine.app/api/llm/deepseek
DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost
https://x402engine.app/api/llm/deepseek-r1
DeepSeek's reasoning model — chain-of-thought reasoning competitive with o3 at fraction of cost
https://x402engine.app/api/llm/llama
Meta's open-source model — great general-purpose performance at very low cost
https://x402engine.app/api/llm/grok
xAI's current Grok 4 route — strong reasoning and real-time knowledge
https://x402engine.app/api/llm/qwen
Alibaba's flagship open model — excellent multilingual and coding capabilities
https://x402engine.app/api/llm/mistral
Mistral's flagship model — strong European AI with great multilingual support
https://x402engine.app/api/llm/perplexity
Search-augmented LLM — answers grounded in real-time web search with citations
https://x402engine.app/api/llm/gpt-5.2
OpenAI's latest flagship model — top-tier reasoning, coding, and multimodal capabilities
https://x402engine.app/api/llm/gpt-5.2-codex
OpenAI's code-specialized reasoning model — optimized for software engineering tasks
https://x402engine.app/api/llm/kimi
Moonshot AI's flagship model — strong reasoning and long-context capabilities
https://x402engine.app/api/llm/minimax
MiniMax's efficient model — fast and affordable for everyday tasks
https://x402engine.app/api/llm/glm
Zhipu AI's flagship model — strong multilingual and reasoning performance
https://x402engine.app/api/llm/grok-code
xAI's build-focused model — code generation, analysis, and agentic implementation work
https://x402engine.app/api/llm/seed
ByteDance's flagship model — competitive reasoning and generation at low cost
https://x402engine.app/api/llm/devstral
Mistral's code-focused model — optimized for software development and technical tasks
https://x402engine.app/api/llm/deepseek-v3.2
DeepSeek's latest flagship model — improved reasoning and coding over V3 at same low cost
https://x402engine.app/api/llm/gemini-3-pro
Google's Gemini 3.1 Pro Preview on the Gemini Pro compatibility route — advanced reasoning, coding, and multimodal understanding
https://x402engine.app/api/llm/gemini-3-flash
Google's next-gen flash model — fast and efficient for everyday tasks with improved quality
How to call
curl -X POST https://x402engine.app/api/image/fast
Listed in
Directories this entry was found in.