---
library_name: nullstate
tags:
  - x402
  - payment
  - solana
  - usdc
  - agent
---

# NullState

Open-source payment and settlement layer for AI agents.

## Features
- **x402 Protocol** — HTTP 402 Payment Required for AI agents
- **Solana USDC** — Sub-cent, sub-second settlements
- **MCP Integration** — Model Context Protocol payment tools
- **AP2 Protocol** — 3-way agent payment handshake

## Quick Start
```bash
curl -X POST http://34.41.139.70/api/settlement/verify \
  -H 'Content-Type: application/json' \
  -d '{"hash":"your_tx","asset":"USDC","network":"Solana","amount":4.99}'
```

## Links
- Gateway: http://34.41.139.70
- GitHub: https://github.com/NullStateGGH/nullstate