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Dagon Inference / Private LLM API access with zkAPI leases

A private LLM API with zkAPI leases

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A private lease is a spend limited key (lk_) minted by a zkAPI server against a deposit that the gateway never learns about. You use it like any API key, up to $10 and 24 hours per lease, so your payment is not tied to your usage.

What problem does a lease solve?

With a prepaid key, the wallet that pays is linked to the key it funds. A lease breaks that link: the deposit is proven with a zero knowledge proof, and the gateway sees only a key with a limit.

Only numbers reach the drawers
012345678900123456789001234567890012345678900123456789001234567890
Prompts and outputs pass through the gateway's memory the way content runs through this sealed pipe: there is no tap toward the cabinet. A clamp-on counter reads only how many tokens went in and out, and the receipts drawer files one card per request: ids, 412 tokens in, 238 out, 724 µ$ and a sha256 of the output. The four drawers are what the gateway keeps: keys, holds, credits, receipts.

What does the gateway still see?

Be clear about the limits. The gateway and the model provider that serves the request still see request content, IP addresses and timing in transit, and requests made with one lease can be linked to each other. A lease hides who paid, not what you sent. Use a VPN or Tor if your network address matters.

What does it cost?

Leases pay 15% over the serving provider's price: the 10% markup plus 5% for the swap from SOL to USDC. Each lease is capped at $10 and 24 hours by the gateway.

How do you get one?

Run a zkAPI client against a server that points at this gateway, then use the returned lk_ key as the bearer token on https://inference.dagon.so/v1. The console has a Private access page with the details. We do not monitor or log your content, and the acceptable use policy applies: use it lawfully and only against systems and people you own or have permission to test. We suspend keys that break it.

Common questions

Is a lease fully anonymous?

No. It separates payment from usage. Content, IP and timing are still visible in transit, as above.

Can I top up a lease?

A lease has a fixed limit. Mint another when it runs out.

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