Logo of zkAPI

zkAPI

Total Value Locked$1,615

TVL by Chain

Ethereum$1,615

Protocol Information

zkAPI lets users prepay for API usage with ETH and authorize requests with zero-knowledge proofs that keep usage unlinkable from their deposit.

WebsiteX/Twitter
Category:Privacy

Methodology

TVL: TVL is the ETH escrowed in the ZkApiVault contract, which users prepay for anonymous API access.View code on GitHub

Competitors

Tornado Cash ($657.43m)Railgun ($106.57m)Zama ($88.64m)Privacy Pools V1 ($8.5m)Privacy Cash ($1.58m)Privacy Pools V2 ($689,352)The Interfold ($449,860)Hinkal ($233,829)Nullmask ($186,064)Tacit ($92,549)

Closest by TVL

Voidify ($3,287)Encoins ($2,746)Common ($1,422)Garble.Money ($1,003)

zkAPI history

TVL is the default DefiLlama definition. Daily values are UTC snapshots from Nov 14, 2026 to Nov 14, 2026.

All-time high TVL: $1,636 on Nov 14, 2026. All-time low TVL: $1,636 on Nov 14, 2026.

Daily TVL, Nov 14, 2026 to Nov 14, 2026

DateTVL
Nov 14, 2026$1,636

TVL at each month end, Nov 2026 to Nov 2026

DateTVL
Nov 14, 2026 (latest)$1,636

The .csv export on the chart above downloads every daily value. The same data is in the public API: https://api.llama.fi/protocol/zkapi

Frequently asked questions

What is zkAPI's TVL?

As of Nov 14, 2026, zkAPI has $1,615 in total value locked.

What chains does zkAPI operate on?

zkAPI operates on Ethereum. Ethereum holds the largest share at 100%.

How does zkAPI's TVL compare to similar protocols?

Among Privacy protocols tracked by DefiLlama, zkAPI ranks #28 by TVL. The category holds $866.54m across 55 protocols, and zkAPI accounts for <0.1% of that total. Similar protocols include Tornado Cash, Railgun, Zama, Privacy Pools V1, Privacy Cash, Privacy Pools V2, The Interfold, Hinkal, Nullmask, and Tacit.