# sinch fax

Send and manage faxes via the Sinch Fax API.

Before using fax commands, configure your fax service ID:


```sh
sinch config set fax serviceID=<your-service-id>
sinch config set fax senderNumber=+15551234567   # optional default sender
```

## sinch fax send

Send a fax from a file or URL.


```sh
sinch fax send [options]
```

| Option | Description |
|  --- | --- |
| `-t, --to <number>` | Recipient fax number in E.164 format |
| `-f, --file <path>` | Path to file (PDF, TIFF, DOC, DOCX, TXT, HTML — max 20MB) |
| `-u, --content-url <url>` | URL to content (repeatable for multiple URLs) |
| `--from <number>` | Sender fax number |
| `--service-id <id>` | Fax service ID |
| `--json` | Output as JSON |


If `--to` and content are omitted, the command prompts interactively.

**Example**


```sh
sinch fax send --to +12025550134 --file ./document.pdf
sinch fax send --to +12025550134 --content-url https://example.com/doc.pdf
```

## sinch fax status

Get the current status of a fax.


```sh
sinch fax status <fax-id> [options]
```

| Option | Description |
|  --- | --- |
| `--wait` | Poll until the fax completes or fails |
| `--timeout <seconds>` | Timeout for `--wait` mode (default: `300`) |
| `--watch` | Continuously poll and redisplay status |
| `--interval <seconds>` | Poll interval for `--watch` (default: `5`) |
| `--json` | Output as JSON |


## sinch fax get

Get complete details for a fax, including pricing and retry configuration.


```sh
sinch fax get <fax-id> [--json]
```

## sinch fax auth-status

Check fax service authentication and configuration.


```sh
sinch fax auth-status
```