> ## Documentation Index
> Fetch the complete documentation index at: https://usefoil.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Track the Foil changelog: version history and release notes for Foil server and browser SDKs, the Gate CLI and API, dashboard, and detection signals.

## April 2026

### Gate CLI `signup@0.4.0`

* Framework detection — auto-detects your project's language and recommends the right SDK
* Agent tokens (`agt_`) — Gate-owned credentials for all post-signup interactions
* Encrypted credential delivery — company API keys are encrypted end-to-end
* Multi-language SDK install recommendations in "Next steps"
* Chrome `--app` mode for the consent window
* `--json` flag for machine-readable output
* `--quiet` flag for minimal output
* `signup list` subcommand
* Typo correction for subcommands

### Gate API

* `POST /gate/agent-tokens/verify` — verify agent tokens
* `POST /gate/agent-tokens/revoke` — revoke agent tokens
* `POST /gate/login-sessions` — create dashboard login sessions
* `POST /gate/login-sessions/consume` — consume login codes
* Webhook idempotency via `gate_session_id` and `Idempotency-Key` header
* One-time credential delivery with ack-based confirmation
* Foil proof required on all approvals

### Foil

* Server SDKs for Node.js, Python, Go, Ruby, and PHP
* Scoped API keys with configurable permissions
* 357+ detection signals across seven scoring categories

## March 2026

### Initial release

* Browser SDK (`t.js`) on CDN
* Server-side scoring with sealed token verification
* Dashboard with session explorer and fingerprint viewer
* REST API for sessions, fingerprints, and organization management