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

# API Reference

> Endpoint-level reference for FITsociety Public API v1.

The API Reference is generated from the FITsociety Public API OpenAPI contract.
Use it for exact method, path, parameter, request body, response, and
authentication details.

## Structure

Endpoints are grouped by integration domain:

| Group                 | Contains                                                                                                                                                                   |
| :-------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Health                | Token health checks.                                                                                                                                                       |
| OAuth                 | OAuth token issuance.                                                                                                                                                      |
| Platform              | API client profile, capabilities, scopes, and redacted audit logs.                                                                                                         |
| Company catalog       | Company profile, facilities, policies, coaches, and locations.                                                                                                             |
| Clients               | Client lifecycle, custom fields, portal access, relationships, assignments, notes, and messaging.                                                                          |
| Calendar and bookings | Event types, event templates, bookings, recurring bookings, events, tasks, coach availability, location availability, closure days and absence, and bookable availability. |
| Finance               | Invoices, payments, products, subscriptions, memberships, credits, chargebacks, and payment requests.                                                                      |
| Progress              | Measurements, progress photos, habits, and goals.                                                                                                                          |
| Forms and documents   | Form metadata, intake assignments, checkups, document folders, linked documents, and document archive actions.                                                             |
| Reports               | Attendance, revenue, and retention summaries.                                                                                                                              |
| Webhooks              | Outbound webhook subscriptions, test sends, and delivery logs.                                                                                                             |

## Production base URL

```text theme={null}
https://api.fitsociety.io
```

All Public API endpoints are company-scoped through the Bearer token. Requests
must not send `companyId`.