Inferest

Your interest,now inference.

Deposit USDC into a yield vault that stays in your wallet. Only the interest it earns becomes LLM credit, issued as spend limits on keys for your developers and agents.

Principal never movesShares stay in your wallet.
Limits follow yieldNever ahead of what's earned.
Unused yield returnsLess a 10% fee.
Calculator

What your deposit buys.Counted in the models you actually call.

Rule of thumb: interest covers a monthly budget when the deposit is about 281 times it. The principal is never spent.

Try a preset
USDC
$1K$10K$100K$1M$10M
Vault rateFluid USDC today
Modelper 1M tokens, in / out

Any of OpenRouter's 400+ models. Streaming works.

Deposit in the Treasury →
Kimi K2.6, every month, paid by interest
208Mtokens≈ 45,700 agent calls

$356.25 of credit from $375.00 of monthly interest, after the 5% rail fee. Tokens counted at 3 in for every 1 out; a call is 4K in and 1K out.

$356.25credit a month
1,520calls a day
$0.0078per call
$0drawn from principal
The same $356.25 on other modelstokens a month

OpenRouter list prices, September 2026. At a steady rate; real yield follows the vault, and limits only open up to what it has earned.

Use cases

One rail, two kinds of wallet.A treasury parking cash, or an agent that can't get a card.

For treasuries

Put idle USDC to work.

Deposit once. Issue keys to your developers and agents. Only the interest pays for their inference.

Yield this periodexample
Used
Open credit
Settled: unused yield goes back to principal.
Open the Treasury →
For agents

An agent that pays for its own thinking.

Watch our agent run a 1,000 USDC book and fund every model and tool call from its own vault's yield.

Watch the agent →
How it works

Principal stays put.Only the interest moves.

Every step is a contract call or a metered request you can check. Nothing leaves your wallet but the yield.

network
balances
at rest
open credit (in flight)
* principal not to scale
ledger (on-chain)
your wallet
infVAULT100,000.00
USDC0.00
principal spent: 0.00