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

# ClearoutPhone

> Validate phone numbers with ClearoutPhone

ClearoutPhone is a phone number validation service that verifies phone numbers for accuracy and deliverability.

## Authentication

Connect to ClearoutPhone using your API key.

### Connection details

| Field       | Description                |
| ----------- | -------------------------- |
| **API key** | Your ClearoutPhone API key |

***

## ClearoutPhone actions

### Verify phone

Validate a phone number to check if it's valid and reachable.

**Configuration**

| Field            | Description                              |
| ---------------- | ---------------------------------------- |
| **Phone number** | The phone number to validate             |
| **Country code** | ISO 3166 Alpha-2 country code (optional) |

**Returns**

| Field     | Description                  |
| --------- | ---------------------------- |
| Validity  | Whether the number is valid  |
| Line type | Mobile, landline, VoIP, etc. |
| Carrier   | Phone carrier information    |
| Location  | Geographic location data     |

***

## Use cases

<AccordionGroup>
  <Accordion title="Lead validation" icon="phone">
    Validate phone numbers at point of capture.
  </Accordion>

  <Accordion title="Data cleaning" icon="broom">
    Clean phone number lists before outreach campaigns.
  </Accordion>

  <Accordion title="SMS campaign prep" icon="message">
    Ensure phone numbers are valid before SMS campaigns.
  </Accordion>
</AccordionGroup>

***

## Best practices

1. **Include country code** - Provide the country code for more accurate validation
2. **Validate before calling** - Verify numbers before adding to dialer campaigns
3. **Check line type** - Filter by line type based on your outreach strategy