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Building Transfer: autonomy with boundaries
A shared wallet, a card for every agent, and spending rules you can actually see.
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what comes next.
Ideas, product updates, and lessons from building spending tools for AI agents.
Concepts
Your wallet balance is not an agent’s allowance
Why shared funds and individual spending limits are two different things.
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A practical way to set an agent’s first limits
Use the task to choose a monthly allowance and a per-purchase cap.
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MCP or REST: choose the connection that fits
Two ways to reach Transfer, with different jobs in your workflow.
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Treat an agent connection key like a credential
Keep access scoped, private, and easy to revoke.
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Why we’re starting with simulated spending
Test the workflow before real funds enter the picture.
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A declined purchase can be the right outcome
What a spending control tells you when a request stops.
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From a new workspace to your first agent
A short walkthrough of funding, limits, and a first connection.
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