A verifiable identity for every agent.
Scope tokens, delegate on behalf of humans, and audit every action.
- Signed agent identities
- On-behalf-of tokens, revocable
- Per-tool scopes & rate limits
Identity platform for developersNew · passkeys & agent identity now GA
Passkeys. MFA. SSO.
Agent auth.
One tiny, typed SDK for every human, app, and AI agent that needs to sign in, plus a single record of who did what.
JavaScriptSwiftKotlinAngular
import { Vaultline } from "@vaultline/sdk"; const auth = new Vaultline({ domain: "your-tenant.vaultline.app", clientId: process.env.VAULTLINE_CLIENT_ID, }); // hosted login await auth.loginWithRedirect({ scope: "openid profile email", });
09:41:02ana@acme · passkey ✓
09:41:07agent:invoice-bot acts as ana · billing.read ✓
09:42:15agent:invoice-bot · billing.write ✕ denied
09:44:30sam revoked invoice-bot ✓
illustrative log
npm install → prod10minMedian first login for new teams
Uptime, multi-region[SLA]Link to the public status page
Logins secured / year[#]Use a real number, or remove
01 · Built for
Whatever is signing in, human or not.
MCP-ready authorization.
Token exchange for the tools your models call.
Orgs, SSO & SCIM.
Close enterprise deals without rewriting a single table.
Passkeys in two lines.
Passwordless sign-in with MFA and anomaly detection built in.
02 · Proof
Proof you can check.
Compliance[SOC 2 Type II]
Link the report request page
Open source[SDKs on GitHub]
Stars, licence, last release
Status[status.vaultline.app]
Live uptime history
Changelog[Shipped this week]
Latest release notes
“Passkeys were a two-line change.”[ Real name · role · company, with permission ]
03 · Read
Read up before you build.
Whitepaper
Identity for autonomous AI agents
Scoping, revoking, and auditing agent access.
WebinarBuilding MCP-ready authorization
Token exchange for tool-calling LLMs.
EbookThe agent trust boundary
Permissions for agents acting on behalf of humans.
GuideDelegated actions, done right
Safe on-behalf-of flows in production.
A note from the team
[One or two honest sentences from a founder: why you built Vaultline and what you won't compromise on. Sign it with a real name.]
Get started
Stop rebuilding login. Start building your product.
Ship secure identity in an afternoon, and never think about it again.