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AgentCash pays endpoints in USDC across a small, curated set of networks.

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Networks

Base is the default for payments. Most endpoints accept USDC on Base and transaction costs are minimal. Solana support is available for endpoints that prefer it.

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Addresses

Your wallet holds two distinct addresses:
  • EVM address: one Ethereum-style address covers every supported EVM network (Base, Tempo).
  • Solana address: a separate Solana keypair for USDC payments on Solana.
Run npx agentcash accounts (or the list_accounts MCP tool) to see each network’s address, balance, and deposit link.

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Payment network selection

The endpoint decides which network to use. The OpenAPI x-payment-info block or the runtime 402 response declares the accepted networks and protocols. AgentCash matches that against your wallet and pays on the correct chain automatically. You can override with --payment-network on the CLI or the paymentNetwork field on the MCP fetch tool.