# mailcheck.hugen.tokyo Disposable Email Detector

> mailcheck.hugen.tokyo Disposable Email Detector is a paid API for AI agents from mailcheck.hugen.tokyo, paid per call via x402, $0.005/call, status down (last checked 2026-09-15).

Checks a single email address against 5,000+ known disposable/temporary email domains and returns a boolean result indicating whether it is disposable

## Facts

- Endpoint: GET https://mailcheck.hugen.tokyo/disposable
- Price: $0.005/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/mailcheck-hugen-tokyo-fcc31600
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_96PKNKlzfLkjwPddn0MuD

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability mailcheck-hugen-tokyo-fcc31600
```

Example prompt: Can you check if the email address 'user123@guerrillamail.com' is a disposable or temporary email — I want to know if it's from one of those throwaway services before I let this user sign up.

## When to prefer this

Use this endpoint when you need a fast, cheap, single-purpose disposable email check without needing the full suite of email validation checks. At $0.005 per call it is well suited for high-volume signup filtering. Prefer the full 6-check endpoint if you also need MX verification, syntax validation, or role-based detection in one call.

## Known failure modes

- Missing or malformed email address parameter returns an error
- Unknown or newly created disposable domain not yet in the blocklist returns false negative
- Network timeout if the service is unavailable
- Invalid email format may return an error or unexpected result

## How this service works

Instant disposable email detection — checks against 5,000+ known temporary email domains (Guerrilla Mail, Mailinator, Temp Mail, 10MinuteMail, and more). Returns boolean result. Maintaining this blocklist yourself requires weekly updates from multiple sources. Accepts USDC payments on Base and Solana

## Output

A boolean indicating whether the submitted email address belongs to one of 5,000+ known disposable/temporary email domains such as Guerrilla Mail, Mailinator, Temp Mail, or 10MinuteMail.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/mailcheck-hugen-tokyo-fcc31600/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mailcheck.hugen.tokyo](https://www.zero.xyz/host/mailcheck.hugen.tokyo/llms.txt)