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| title: x402 AI Demo - Pay-per-inference with Base micropayments | |
| emoji: 💳 | |
| colorFrom: blue | |
| colorTo: purple | |
| sdk: docker | |
| app_file: app.py | |
| app_port: 7860 | |
| suggested_hardware: cpu-upgrade | |
| suggested_storage: small | |
| startup_duration_timeout: 10m | |
| short_description: Pay-per-use Inference with Base micropayments | |
| models: | |
| - distilgpt2 | |
| - cardiffnlp/twitter-roberta-base-sentiment-latest | |
| tags: | |
| - fastapi | |
| - x402 | |
| - micropayments | |
| - cryptocurrency | |
| - nova | |
| - ai | |
| - blockchain | |
| - base | |
| - usdc | |
| - metamask | |
| pinned: false | |
| license: mit | |
| fullWidth: true | |
| # 🤗 x402 AI Demo - Pay-per-use AI Services | |
| A FastAPI demonstration of micropayments for AI services using the x402 protocol. | |
| ## 🚀 Features | |
| - **💭 Text Generation** - DistilGPT-2 ($0.01 per request) | |
| - **😊 Sentiment Analysis** - RoBERTa ($0.005 per request) | |
| - **🖼️ Image Generation** - Amazon Nova Canvas ($0.02 per request) | |
| - **💰 Automatic Revenue Splitting** - CDP Wallet integration | |
| - **🔐 MetaMask Integration** - Seamless crypto payments | |
| ## 🔧 How It Works | |
| 1. Connect your MetaMask wallet to Base Sepolia testnet | |
| 2. Click a service button to make a request | |
| 3. Sign the x402 payment with your wallet | |
| 4. AI service processes your request | |
| 5. Revenue is automatically split between stakeholders | |
| ## 💡 Demo Mode | |
| This is running on **Base Sepolia testnet** - no real money required! Get testnet USDC from the [Base Sepolia faucet](https://www.coinbase.com/faucets/base-ethereum-sepolia-faucet). | |
| ## 🏗️ Technology Stack | |
| - **Backend**: FastAPI with x402 payment protocol | |
| - **Frontend**: HTML/CSS/JavaScript with MetaMask integration | |
| - **AI Models**: Hugging Face Transformers (DistilGPT-2, RoBERTa) | |
| - **Image Generation**: AWS Bedrock Nova Canvas | |
| - **Payments**: Base Sepolia testnet with USDC | |
| - **Revenue Splitting**: Coinbase Developer Platform (CDP) | |
| ## 🔗 Links | |
| - [x402 Protocol](https://github.com/sourcegraph/fastapi-x402) | |
| - [Base Sepolia Faucet](https://www.coinbase.com/faucets/base-ethereum-sepolia-faucet) | |
| - [MetaMask Download](https://metamask.io/) | |
| --- | |
| Built with ❤️ using FastAPI, Hugging Face, and the x402 payment protocol. | |