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Disposable Email Checker: Syntax, MX and Role Addresses

Fast email address check without sending anything: syntax, domain MX records, disposable/temporary-mail domain (9,000+ listed), role address (info@, admin@) and likely typo of a popular provider. Does not confirm that a mailbox exists.

x402: $0.003 per callMCP tool: disposable_email_check

Input

ParameterTypeDefaultDescription
email *stringEmail address to check.

* required

Source and freshness

Source and licence
Stated in every response (field source).
Last verified
2026-10-03 (hourly check against the live source)

Use it

HTTP (x402)

curl -i "https://api.ambolt.dev/v1/disposable-email-check?email=someone%40mailinator.com"

Returns 402 Payment Required with the price until an x402 payment is attached; @x402/fetch does this for you. See Get started.

MCP

{ "mcpServers": { "ambolt": { "url": "https://api.ambolt.dev/mcp" } } }
# then call the tool: disposable_email_check

Apify

Not published as an Actor yet.

Example response

{
  "email": "[email protected]",
  "checkedAt": "2026-10-02T21:35:41.050Z",
  "disposableListSource": "disposable-email-domains (CC0 1.0), 2026-10-02",
  "syntaxValid": true,
  "domain": "mailinator.com",
  "hasMx": true,
  "disposable": true,
  "roleAddress": false,
  "typoSuggestion": null,
  "dnsError": null,
  "deliverableEstimate": "risky"
}

Good to know

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