# Mails.so

Mails is an API service that provides powerful email validation capabilities to help maintain a clean and effective email list.

- **Category:** email
- **Auth:** API_KEY
- **Composio Managed App Available?** N/A
- **Tools:** 3
- **Triggers:** 0
- **Slug:** `MAILS_SO`
- **Version:** 20260407_00

## Tools

### Retrieve Batch Results

**Slug:** `MAILS_SO_RETRIEVE_BATCH_RESULTS`

Tool to retrieve results of a bulk validation job. Use after submitting a batch and you have its ID.

### Validate Bulk Emails

**Slug:** `MAILS_SO_VALIDATE_BULK_EMAILS`

Tool to validate multiple email addresses in bulk. Use when you need to confirm deliverability of a list of emails at once.

### Validate Single Email

**Slug:** `MAILS_SO_VALIDATE_SINGLE_EMAIL`

Tool to validate a single email address. Use when you need to check deliverability and quality details before sending an email.