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Mailboxlayer

A simple REST-based JSON API for email address validation and verification.

This is a first-class FlyMyAI MCP. Agents discover it automatically via tool search and call the actions below on demand - you never wire it up by hand. See the Composio catalog for how discovery works.

Connect​

Mailboxlayer authenticates with an API key. Generate the credential in your Mailboxlayer account, then paste it into FlyMyAI the first time an agent uses a Mailboxlayer action.

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Fields to fill in FlyMyAI​

FieldDetails
API Access KeyYour personal API Access Key assigned upon signing up, used to authenticate API requests. (required)

Actions​

Every action this integration exposes. Agents pick the right one from the task; you do not call them by name.

ActionWhat it doesRequired inputs
MAILBOXLAYER_CHECK_EMAILTool to validate a single email address. use when you need to check syntax, domain, smtp, and meta-flags.access_key, email
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