KPN Grexx runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 10 Oct 2026.
KPN IRMA on Grexx: address checks, prequalification, customers, orders, mobile and line tools.
Today is the operative word: we check KPN Grexx every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Check whether an email address can receive mail, one address or a list, without sending to it.
Manage products, orders, customers, inventory, and store configuration
Manage customers, reviews, requests, and reputation for one More Good Reviews project.
Verify email addresses in real time and find business email addresses with live mailbox checks.
Tesorio's order-to-cash tools — query customers, invoices, receivables, payments, and more.
Read-only MCP tools for ISO 8583 and SWIFT MT/MX: parse, validate, diff, SR2026 address checks.
Check phone numbers (WhatsApp, Telegram, carrier, spam reputation) and e-mail addresses.
MCP server for Mindbox CDP API — customer profiles, orders, segments. 3 tools.
Answers built from our own checks of this server.