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docs: add x402 supported networks and tokens #1504

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13 changes: 13 additions & 0 deletions docs/ai-agents/payments/pay-for-services-with-x402.mdx
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Expand Up @@ -36,6 +36,19 @@ Any agent with a funded wallet can pay for any x402-enabled API — no pre-exist

[Learn more about x402 →](https://docs.cdp.coinbase.com/x402/docs/client-server-model)

## Supported networks and tokens

x402 support depends on the facilitator and SDK your agent uses. The CDP facilitator supports Base, Base Sepolia, Polygon, Arbitrum, World, World Sepolia, Solana, and Solana Devnet for x402 payments.

On EVM networks, x402 payments can use:

- **USDC, EURC, and other EIP-3009 tokens** for gasless `TransferWithAuthorization` payments. On Base, the common USDC token address is `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913`.
- **Other ERC-20 tokens** through Permit2, when the token and facilitator support that route.

On Solana networks, x402 supports SPL Token Program tokens, and Token2022 tokens in v2 flows.

For the full CAIP-2 network identifiers, facilitator endpoints, token addresses, and version support, see the [x402 network support docs](https://docs.cdp.coinbase.com/x402/network-support).

## Making x402 requests

### CDP Agentic Wallet
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