> ## 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.

# Theneo

> Verify email addresses with Theneo

Theneo provides email verification services to validate email addresses for deliverability.

## Authentication

Connect to Theneo using your API key.

### Connection details

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

***

## Theneo actions

### Verify email

Validate an email address to check if it's deliverable.

**Configuration**

| Field     | Description             |
| --------- | ----------------------- |
| **Email** | Email address to verify |

**Returns**

| Field          | Description                      |
| -------------- | -------------------------------- |
| Validity       | Whether the email is valid       |
| Deliverability | Whether the email is deliverable |
| Risk level     | Risk assessment of the email     |

***

## Use cases

<AccordionGroup>
  <Accordion title="List cleaning" icon="broom">
    Verify email lists before outreach campaigns.
  </Accordion>

  <Accordion title="Lead validation" icon="check-circle">
    Validate emails at point of capture.
  </Accordion>

  <Accordion title="Deliverability optimization" icon="envelope-circle-check">
    Improve sender reputation by removing invalid emails.
  </Accordion>
</AccordionGroup>

***

## Best practices

1. **Verify before campaigns** - Always verify emails before adding to sequences
2. **Handle invalid emails** - Remove or flag invalid email addresses
3. **Cache results** - Verification results are cached to reduce costs