> For the complete documentation index, see [llms.txt](https://docs.flylogs.com/fcom/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flylogs.com/fcom/api-docs/readme.md).

# Flylogs API

The Flylogs API provides programmatic access to your flight operations, crew management, training, safety, and billing data. It follows REST conventions and returns JSON responses.

## Base URL

```
https://fmc.flylogs.com/v1
```

## Authentication

All endpoints (except public ones) require an **API key** as a Bearer token in the `Authorization` header:

```
Authorization: Bearer flk_3pQ8XnX...Zr
```

API keys are long-lived, revocable secrets created by a Company Administrator under **Company Settings → API**. A key authenticates as the user it is bound to and inherits that user's permissions. There is no login step. See [API Keys](/fcom/api-docs/reference/api-keys.md) to create one, and [Authentication](/fcom/api-docs/reference/authentication.md) for how to send it.

## Request Format

| Method | Content-Type                                               |
| ------ | ---------------------------------------------------------- |
| GET    | No body — parameters in URL path                           |
| POST   | `application/json` (unless noted as `multipart/form-data`) |

## Response Format

All responses return JSON. Successful responses typically contain the requested data directly. Error responses include a `message` field:

```json
{
  "message": "Descriptive error message"
}
```

## HTTP Status Codes

| Code | Meaning                                 |
| ---- | --------------------------------------- |
| 200  | Success                                 |
| 400  | Bad request — invalid parameters        |
| 401  | Unauthorized — missing or invalid token |
| 403  | Forbidden — insufficient permissions    |
| 404  | Resource not found                      |
| 429  | Rate limited — too many requests        |

## Rate Limiting

API usage is throttled. Excessive requests will result in an automatic 14-day ban. Design your integration to cache responses and avoid unnecessary polling.

## Quick Links

| Section                                                      | Description                                  |
| ------------------------------------------------------------ | -------------------------------------------- |
| [Quick Start](/fcom/api-docs/quick-start.md)                 | Get up and running in minutes                |
| [Authentication](/fcom/api-docs/reference/authentication.md) | Authenticating requests with an API key      |
| [API Keys](/fcom/api-docs/reference/api-keys.md)             | Creating, listing and revoking API keys      |
| [Users](/fcom/api-docs/reference/users.md)                   | User profiles, sessions, account settings    |
| [Company](/fcom/api-docs/reference/company.md)               | Company settings, permissions, organizations |
| [Flights](/fcom/api-docs/reference/flights.md)               | Flight records, filtering, audit trail       |
| [Aircraft](/fcom/api-docs/reference/aircraft.md)             | Fleet management, logbooks, ADSB tracking    |
| [Pilots](/fcom/api-docs/reference/pilots.md)                 | Pilot records, certificates, currency        |
| [Schedules](/fcom/api-docs/reference/schedules.md)           | Flight schedules, availability, calendar     |
| [Messages](/fcom/api-docs/reference/messages.md)             | Internal messaging system                    |
| [Trainings](/fcom/api-docs/reference/trainings.md)           | Training courses, students, exams            |
| [Safety Reports](/fcom/api-docs/reference/safety-reports.md) | SMS reports, risk matrix                     |
| [Documents](/fcom/api-docs/reference/documents.md)           | Document library, folders, file uploads      |
| [News](/fcom/api-docs/reference/news.md)                     | Company news and announcements               |
| [Reports](/fcom/api-docs/reference/reports.md)               | Flight hours, statistics                     |


---

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