# Open API documentation

> REST API, sign-in and webhooks.

Canonical page: https://aozo.in/docs/api
Last updated: 2026-11-12

## Getting started
- [Open API overview](https://aozo.in/docs/api/overview.md): The REST API behind AOZO: base URL, how requests look and what you can reach.
- [Authentication](https://aozo.in/docs/api/authentication.md): Sign in, handle two-factor, refresh your token and send it on every request.
- [Organisations and access](https://aozo.in/docs/api/organisations-and-access.md): Find your organisation id and send it with every request.
- [Quickstart](https://aozo.in/docs/api/quickstart.md): Sign in, create a lead and list your leads in three commands.
- [Errors and limits](https://aozo.in/docs/api/errors-and-limits.md): Status codes, error shapes, sign-in limits and how to retry.

## Reference
- [CRM API](https://aozo.in/docs/api/crm-api.md): Create, list, update and convert leads, and manage deals.
- [Helpdesk API](https://aozo.in/docs/api/helpdesk-api.md): List, create and update tickets and add comments.
- [Accounting API](https://aozo.in/docs/api/accounting-api.md): List and create invoices, record payments and log expenses.
- [Teams and Projects API](https://aozo.in/docs/api/teams-and-projects-api.md): Read members, attendance and leave, and work with projects and tasks.

## Webhooks
- [Send leads into CRM with a webhook](https://aozo.in/docs/api/lead-capture-webhook.md): Post leads from your website, forms or automation tools straight into AOZO CRM.