The payment protocol for autonomous agents.
Money moves at machine speed.
$ make demo-local ✓ Generated 2 ephemeral wallets ✓ Funded Payer: 0.1 ETH + $1000.00 USDC ✓ Registered service (prediction-feed, $0.05/req) ✓ Opened channel #1 ($5.00 USDC, 24hr expiry) → Request 1/10... { price: 1923.71 } (7ms) → Request 2/10... { price: 1923.71 } (6ms) → Request 3/10... { price: 1923.80 } (8ms) → Request 4/10... { price: 1923.80 } (7ms) → Request 5/10... { price: 1923.82 } (6ms) → Request 6/10... { price: 1923.82 } (7ms) → Request 7/10... { price: 1923.89 } (8ms) → Request 8/10... { price: 1923.89 } (7ms) → Request 9/10... { price: 1923.93 } (6ms) → Request 10/10...{ price: 1923.93 } (7ms) ✓ All 10 requests complete ✓ Channel closed. Provider: $0.50, Refunded: $4.50 Average latency: 7ms. On-chain txs: 2.
Payer Agent ──openChannel($5)──▶ PaymentChannel ◀──closeChannel── Payee Agent │ contract │ │ │ │ └──POST /price + PaymentProof─────┘────────────────────────────────┘ (off-chain, EIP-712 signed, 7ms)
openChannel funds thousands of off-chain requests.
Each request carries an EIP-712 payment proof — cryptographically signed, instantly verifiable.
closeChannel settles it all in one transaction.
ElizaOS, G.A.M.E, LangChain, custom agents — plug into any agent runtime with a simple SDK.
$0.001 per request. 2 on-chain transactions cover thousands of off-chain payments at 7ms latency.
Deployable spending limits, provider allowlists, and rate controls. Your agent, your rules.
MIT license. 177 tests. Verified contracts on Base Sepolia. Built in the open.
Ethereum Attestation Service ratings after every transaction. On-chain reputation for autonomous agents.
Auto-renewing payment channels with configurable intervals. Set and forget recurring agent payments.
Install the CLI, spin up a local demo, and see ValuePacket in action in under 60 seconds.