Sigil issues verifiable credentials for autonomous AI agents. One API call to mint identity, bind spending authority, and create a cryptographic delegation chain back to a human principal.
40 non-human identities for every human. Legacy IAM was never built for agents that reason, decide, and spend autonomously.
API keys don't expire, can't encode spending limits, and carry no delegation chain. An agent with a leaked key is indistinguishable from a legitimate one.
When an agent calls your API and wants to pay, who authorized it? What's its spending ceiling? Legacy auth can't answer these questions.
The EU AI Act and US sector guidance now require auditable identity logs for any autonomous agent acting on human behalf. Compliance isn't optional.
Three primitives that make agent transactions trustworthy.
Cryptographically signed, short-lived tokens that bind an agent's identity to a human principal and a spending mandate. No standing keys. No manual rotation.
Any API provider verifies credentials offline. No callback to Sigil required. The credential carries the full delegation chain, spending limits, and allowed operations.
Every credential issuance, verification, and transaction creates a tamper-evident audit record. Regulators get the trail they require. You get the visibility you need.
Every agent that transacts needs to prove who it is, what it's allowed to do, and who gave it permission. That proof is a Sigil credential. We're building the identity layer the agent economy can't function without.