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MARKET MONITOR / CATALOGUE Services 102,741 MCP listed 39,685 x402 63,109 Rails Base / Solana / Polygon / Arbitrum Imported 2026-10-26 · 3 sources
Provider

mailcheck.hugen.tokyo

mailcheck.hugen.tokyo · 3 listed services · provider site

Validate x402 REST usage

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. R...

mailcheck.hugen.tokyo Crypto & Payments 8 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Mx x402 REST usage

MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library se...

mailcheck.hugen.tokyo Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Disposable x402 REST usage

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 requir...

mailcheck.hugen.tokyo Crypto & Payments 2 calls / 30d checked 2026-10-26
0.01 USDC per call per call

Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.