API

Every mailboxlayer.api.* operation is listed below with parameter shapes and return types from the plugin Zod schemas.

New to Corsair? See API access, authentication, and error handling.

Email

email.check Validate whether an email address is correctly formatted, has valid MX records, and is deliverable via SMTP Risk: read

await corsair.mailboxlayer.api.email.check({});

Input

Name	Type	Required	Description
`email`	`string`	Yes	The email address to validate and verify
`smtp`	`boolean`	No	Whether to run a real-time SMTP check (default true). Set to false for a faster format/MX-only check.

Output

Name	Type	Required	Description
`email`	`string`	Yes	—
`did_you_mean`	`string`	Yes	—
`user`	`string`	Yes	—
`domain`	`string`	Yes	—
`format_valid`	`boolean`	Yes	—
`mx_found`	`boolean`	Yes	—
`smtp_check`	`boolean`	Yes	—
`catch_all`	`boolean`	No	—
`role`	`boolean`	Yes	—
`disposable`	`boolean`	Yes	—
`free`	`boolean`	Yes	—
`score`	`number`	Yes	—