# x402
URL: /integrations/x402

---
title: x402
sidebarTitle: x402
description: Pay-per-use Steel sessions with USDC on Base and Solana. No API key, no account.
llm: true
---

The x402 integration enables pay-per-use Steel browser sessions powered by cryptocurrency. Built on the [x402 protocol](https://www.x402.org/), it lets you create and manage Steel sessions by paying with USDC on Base or Solana, with no API keys or accounts required.

**Endpoint:** `https://x402.steel.dev`

### How it works

1.  **Send a request** to the x402 endpoint. The server responds with a `402 Payment Required`.
2.  **Sign a payment authorization** for the requested amount with your wallet.
3.  **Resend the request** with the signed payment header. You receive your data with a `200 OK` response.

### Pricing

Rate: **$0.10/hour**

### Requirements

*   **Wallet**: Base or Solana wallet with USDC

### Supported tokens and networks

| Network                | USDC Contract Address                             |
|------------------------|---------------------------------------------------|
| Base (mainnet)         | **0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913**    |
| Solana (mainnet)       | **EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v**  |

### FAQ

### Do I need a Steel account or API key to use x402 sessions?

No — x402 sessions are pay-per-use with cryptocurrency. You create and manage Steel sessions by paying with USDC on Base or Solana, with no API keys or accounts required.

### How do I create a Steel session over x402?

Send a request to `https://x402.steel.dev`; the server responds with `402 Payment Required`. Sign a payment authorization for the requested amount with your wallet, resend the request with the signed payment header, and you get your data with a `200 OK`.

### How much do x402 Steel sessions cost?

The rate is $0.10/hour, paid in USDC. All you need is a Base or Solana wallet holding USDC.


### Resources

*   [x402 protocol](https://www.x402.org/) – Learn more about the x402 protocol
*   [Steel Sessions API reference](/api-reference) – Programmatic session management
*   [Steel Discord](https://discord.gg/steel-dev) – Get help and share your implementations