---
updatedAt: 2026-06-15T12:08:13.000Z
agentTools:
  projectIndex: https://docs.lmnl.app/llms.txt
---

# June 15, 2026

Feature release: Multiple API Keys for Liminal Express SDK and API

# Introducing Multiple API Keys Support for Liminal Express

With this release, **Liminal Express SDK** now supports multiple API keys for Vaults’ development environment. Earlier a **Vaults** organization supported a single API key for executing **Express APIs** across all user roles. The new feature now enhances security and transparency across wallet and transaction operations by introducing role based access control to manage dev API keys across a **Vaults**’ organization.

Here are the following supported features:

1. Supports upto 5 active API keys per organization.
2. Supports API key with user roles: Full Access, Admin, Initiator, Signer, and Viewer.
3. Supports the following access permissions:
   1. **Wallet operations**: Read, i.e., view wallet details and Write, i.e., create new wallet.
   2. **Transaction operations**: Read, i.e., view transactions and Write, i.e., initiate and sign transactions.
4. Supports full-access level permission for existing organizations until 1st August, 2026. Whereas, newer **Vaults**’ organizations need to have at least one Signer key with MPC setup completed.

Refer to the following guides to learn more:

* [User Roles](https://docs.lmnl.app/v2/reference/api-key-roles)