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Prism can settle on any EVM-compatible chain. Merchants configure which chains and tokens to accept in the Prism Console.

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Enabled Chains

The chains below are enabled today. Need one that isn’t listed? Contact us.

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Mainnet

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Enabled Tokens

Prism supports any ERC-20 token that implements ERC-3009 (transferWithAuthorization). The tokens below are enabled today. Need one that isn’t listed? Contact us.
In x402 payment requirements, the asset field is the token’s ERC-20 contract address — not the symbol shown above. See the API Reference for example values.

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Choosing a Chain

L2 chains (Base, Arbitrum) offer the fastest settlement and lowest gas. Consider these factors when choosing:
Accept payments on multiple chains to maximize compatibility with different agent wallets. Settlement is simplest when both the agent and merchant operate on the same chain.

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Environments

Test your integration on production with small amounts. The API and SDK work identically regardless of transaction size.
Last modified on May 13, 2026