# VoiceMark

- [Introduction](https://docs.voicemark.dev/docs/introduction.md): Voice authentication as an API. Zero PII. Ephemeral tokens.
- [Quickstart](https://docs.voicemark.dev/docs/quickstart.md): Enrol a voice and verify it in under 5 minutes.
- [Authentication](https://docs.voicemark.dev/docs/authentication.md): API key management and request signing.
- [Cloud VoiceMark](https://docs.voicemark.dev/docs/concepts/cloud-voicemark.md): A live acoustic fingerprint of a single utterance.
- [Glyph VoiceMark](https://docs.voicemark.dev/docs/concepts/glyph-voicemark.md): A stable biometric portrait derived from the ECAPA-TDNN speaker embedding.
- [Tokens](https://docs.voicemark.dev/docs/concepts/tokens.md): Ephemeral JWTs issued on voice match. 60-second TTL.
- [Quality scoring](https://docs.voicemark.dev/docs/concepts/quality-scoring.md): How VoiceMark scores enrollment audio and when to prompt re-recording.
- [POST /enroll](https://docs.voicemark.dev/docs/api-reference/enroll.md): Enrol a user's voice and return a voiceprint_id.
- [POST /challenge](https://docs.voicemark.dev/docs/api-reference/challenge.md): Generate a challenge phrase to prevent replay attacks.
- [POST /verify](https://docs.voicemark.dev/docs/api-reference/verify.md): Verify a voice recording and return an ephemeral token.
- [GET /token/{id}/validate](https://docs.voicemark.dev/docs/api-reference/token.md): Validate a token server-side before authorising privileged actions.
- [POST /policy/check](https://docs.voicemark.dev/docs/api-reference/policy.md): Check whether a token permits a named action.
- [POST /receipt](https://docs.voicemark.dev/docs/api-reference/receipt.md): Log an audit event tied to a token.
- [Installation](https://docs.voicemark.dev/docs/sdk/installation.md): Install the VoiceMark TypeScript/JavaScript SDK.
- [TypeScript SDK](https://docs.voicemark.dev/docs/sdk/typescript.md): Full API reference for the VoiceMark TypeScript/JavaScript SDK.
- [EER results](https://docs.voicemark.dev/docs/security/eer-results.md): Clone test harness results — 0.0% Equal Error Rate for both conditions.
- [Error codes](https://docs.voicemark.dev/docs/security/error-codes.md): Full list of VoiceMark error codes and their causes.


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