Chain directory
Chains for agent payments
A compact public shortlist of networks with payment, wallet, account abstraction, or execution infrastructure relevant to AI agents.
Bitcoin
Monetary base layer
Bitcoin is the monetary base layer for agent payments, with Lightning and L402 as constrained paths for small BTC API payments.
PoW Monetary Base Lightning L402
Ethereum
Programmable settlement layer
Ethereum is a programmable settlement layer for stablecoins, smart accounts, x402, and L2-based agent payment systems.
PoS Settlement Smart Accounts Stablecoin L2 x402
Solana
High-throughput payment L1
Solana is a high-throughput L1 runtime for stablecoin transfers, x402-style API billing, Actions/Blinks, and agent payment UX.
PoS High Throughput Low Fees x402 Actions Stablecoin