Keycard is a commercial non-human identity solution by Keycard Labs. TrustFour is a commercial non-human identity solution by TrustFour. Features, integrations, deployment and the company behind each one, side by side.
Unified identity infrastructure for AI agents with federated identity & access
TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy.
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Common questions when comparing Keycard vs TrustFour for non-human identity.
Keycard: Unified identity infrastructure for AI agents with federated identity & access. Built by Keycard Labs.
TrustFour: TLS control plane securing NHIs via mTLS, ephemeral PSKs, and workload policy. Built by TrustFour.
The table above shows where their features, integrations, deployment and company size fit differ.
Keycard is made by Keycard Labs. TrustFour is made by TrustFour. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Keycard and TrustFour are both Non-Human Identity products. Use the table above to see where features, deployment and company size fit differ.
No Non-Human Identity shortlist yet. This is the closest one.
Updated 2026-11-02
See the shortlist