# Vibefollow

> AI follow-ups that convert SaaS signups. Identify users, emit lifecycle events, and verify webhook deliveries with a single fully-typed SDK.

## Docs

- [API authentication](https://docs.vibefollow.com/api-reference/authentication.md): Wire-level detail for non-SDK callers.
- [Batch track events](https://docs.vibefollow.com/api-reference/events/batch.md): POST /api/v1/events/batch — emit multiple events in one POST.
- [Track event](https://docs.vibefollow.com/api-reference/events/track.md): POST /api/v1/events — emit a single user event.
- [API reference](https://docs.vibefollow.com/api-reference/overview.md): REST shape, response envelope, idempotency, rate limits.
- [Upsert user](https://docs.vibefollow.com/api-reference/users/upsert.md): POST /api/v1/users — identify or update a user.
- [Authentication](https://docs.vibefollow.com/authentication.md): How Vibefollow API keys work end-to-end — issue, use, rotate, revoke.
- [Changelog](https://docs.vibefollow.com/changelog.md): Release notes for `@vibefollow/sdk` and the public API.
- [Errors](https://docs.vibefollow.com/errors.md): Global error envelope, status-code reference, and recovery patterns.
- [Custom events](https://docs.vibefollow.com/events/custom-events.md): Track anything outside the canonical 9 with `events.track()` and `events.batch()`.
- [Lifecycle events](https://docs.vibefollow.com/events/lifecycle-events.md): The nine canonical events with typed SDK helpers.
- [Events overview](https://docs.vibefollow.com/events/overview.md): The mental model behind identify + track.
- [Vibefollow](https://docs.vibefollow.com/introduction.md): AI follow-ups that convert SaaS signups into customers.
- [Quickstart](https://docs.vibefollow.com/quickstart.md): Identify a user and emit your first event in under a minute.
- [VibeFollow class](https://docs.vibefollow.com/sdk/class-vibefollow.md): Constructor signature and configuration options.
- [Errors](https://docs.vibefollow.com/sdk/errors.md): The typed error hierarchy you can `catch` for recovery.
- [Installation](https://docs.vibefollow.com/sdk/installation.md): Install `@vibefollow/sdk` and verify your runtime is supported.
- [SDK overview](https://docs.vibefollow.com/sdk/overview.md): `@vibefollow/sdk` — the official TypeScript SDK for Vibefollow.
- [events](https://docs.vibefollow.com/sdk/resources/events.md): Generic event tracking and batched emission.
- [users](https://docs.vibefollow.com/sdk/resources/users.md): `identify()` plus typed helpers for the 9 canonical lifecycle events.
- [Types](https://docs.vibefollow.com/sdk/types.md): Public TypeScript types exported from `@vibefollow/sdk`.
- [Webhook event types](https://docs.vibefollow.com/webhooks/event-types.md): Full payload spec for every event Vibefollow emits.
- [Webhooks overview](https://docs.vibefollow.com/webhooks/overview.md): Signed event deliveries for opens, clicks, bounces, replies, and unsubscribes.
- [Signature verification](https://docs.vibefollow.com/webhooks/signature-verification.md): Verify Vibefollow webhook deliveries with `vf.webhooks.constructEvent()`.