Agentic Wallets for Machine Payments

This points to wallet infrastructure splitting into two products, one for people and one for software. An AI agent does not need seed phrases, recovery screens, or confirmation popups. It needs an API it can call, rules that cap what it can do, and signatures returned fast enough to keep up with automated trading, payments, or tool use. Turnkey is built around that machine workflow, not retail wallet UX.

• Turnkey’s agentic wallet product is explicitly built so an agent authenticates with an API key, gets signatures without touching the private key, and is constrained by policies on chain, contract, function, recipient, and value. It also advertises sub 100ms signing, which matters when an agent is reacting to live market or payment events.
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• The closest comparable is Alchemy’s session key model. Alchemy lets developers grant a secondary key time limits, contract allowlists, and token or gas spend caps, but that model still starts from a user smart account. Turnkey is positioning one layer lower, as the signing and policy control plane for autonomous systems from the start.
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• The broader market is forming around machine to machine payments, not just crypto wallets. Coinbase’s x402 uses HTTP 402 to let software pay per request with stablecoins, and Turnkey is already tying its wallet stack to x402 and related agent protocols. That makes the wallet less like a consumer app and more like payment permissions infrastructure for bots.
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The next step is that more financial actions get broken into small delegated permissions that software can execute on its own. If that shift sticks, the winning wallet vendors will look less like consumer wallet brands and more like identity, policy, and signing rails for a large population of machine actors.