# x402 Protocol Roadmap
> Building the future of AI-native payments
## ✅ Phase 1: Foundation (Complete)
### Core Protocol
- [x] HTTP 402 Payment Required standard implementation
- [x] TypeScript SDK with full type safety
- [x] Payment header parsing and generation
- [x] Multi-chain support (Base, Arbitrum, Optimism, Polygon, Ethereum)
- [x] USDC and USDS stablecoin support
- [x] Server middleware for Express, Fastify, Hono
- [x] Client interceptors for fetch and axios
### Developer Tools
- [x] CLI for balance, send, pay, history commands
- [x] MCP server integration
- [x] Comprehensive test suite
- [x] TypeDoc API documentation
- [x] Example implementations
### Infrastructure
- [x] Facilitator contracts on testnets
- [x] Payment verification system
- [x] Settlement mechanism
- [x] Error handling and retry logic
---
## 🚧 Phase 2: Ecosystem Expansion (In Progress)
### Q1 2026
| Feature | Priority | Status |
|---------|----------|--------|
| Python SDK | 🔥 HIGH | ✅ Complete |
| Go SDK | 🔥 HIGH | ✅ Complete |
| Java SDK | MEDIUM | 🟡 In Progress |
| Rust SDK | MEDIUM | 📋 Planned |
### Q2 2026
| Feature | Priority | Status |
|---------|----------|--------|
| Streaming payments | 🔥 HIGH | 📋 Planned |
| Subscription billing | 🔥 HIGH | 📋 Planned |
| Multi-currency support | MEDIUM | 📋 Planned |
| Payment analytics dashboard | MEDIUM | 📋 Planned |
---
## 📋 Phase 3: Enterprise Features (Planned)
### Q3 2026
- [ ] Enterprise SSO integration
- [ ] Role-based access control
- [ ] Audit logging and compliance
- [ ] Custom settlement schedules
- [ ] White-label solutions
### Q4 2026
- [ ] Cross-chain atomic payments
- [ ] Payment channels for high-frequency
- [ ] Fiat on/off ramps
- [ ] Mobile SDK (React Native, Flutter)
---
## 🔮 Future Vision
### 2027 and Beyond
- **AI Agent Marketplace**: Agents paying agents for services
- **Decentralized Facilitator Network**: Permissionless payment routing
- **Zero-Knowledge Proofs**: Privacy-preserving payment verification
- **Layer 2 Optimization**: Sub-cent transaction fees
---
## 📊 Metrics & Goals
| Metric | Current | Q2 2026 Target | Q4 2026 Target |
|--------|---------|----------------|----------------|
| Total Volume | $0 | $1M | $10M |
| Active Developers | 50+ | 500+ | 2,000+ |
| Supported Chains | 5 | 10 | 20+ |
| SDK Languages | 4 | 6 | 8 |
---
## 🤝 Contributing
We welcome contributions! See our [Contributing Guide](./CONTRIBUTING.md) for details.
**Priority Areas:**
1. SDK implementations for new languages
2. Framework middleware (Django, Rails, Spring)
3. Documentation and tutorials
4. Security audits and testing
---
## 📬 Contact
- GitHub: [github.com/nirholas/universal-crypto-mcp](https://github.com/nirholas/universal-crypto-mcp)
- Discord: [Join our community](https://discord.gg/x402)
- Twitter: [@x402protocol](https://twitter.com/x402protocol)
