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

# API reference

> Complete reference for the CronAPI REST API

## Base URL

All API endpoints use the following base URL:

```
https://app.cronapi.dev/api/v1
```

## Authentication

Every request must include a Bearer token in the `Authorization` header:

```bash theme={null}
Authorization: Bearer your_api_key_here
```

See [Authentication](/authentication) for details on obtaining and managing API keys.

## Request format

* Request bodies must be JSON with `Content-Type: application/json`
* All timestamps use ISO 8601 format (e.g., `2026-04-15T14:30:00.000Z`)
* IDs are UUIDs

## Response format

Successful responses return the requested resource as JSON. Error responses use this format:

```json theme={null}
{
  "error": "Description of what went wrong"
}
```

## Status codes

| Code  | Meaning                                                     |
| ----- | ----------------------------------------------------------- |
| `200` | Success                                                     |
| `201` | Resource created                                            |
| `400` | Invalid request (bad cron expression, missing fields, etc.) |
| `401` | Missing or invalid API key                                  |
| `404` | Resource not found or not owned by you                      |
| `500` | Server error                                                |

## Resources

<CardGroup cols={2}>
  <Card title="Crons" icon="clock" href="/api-reference/crons/list">
    Manage recurring scheduled webhooks.
  </Card>

  <Card title="Jobs" icon="calendar-check" href="/api-reference/jobs/list">
    Manage one-time delayed webhooks.
  </Card>
</CardGroup>