Odoo ships payment providers for the processors that dominate Western Europe and North America. In the Czech Republic, those are not the processors anyone uses — which left Czech merchants on Odoo 18 without a working option.
This is a full payment provider integrated into Odoo 18's e-commerce checkout, implementing Pays.cz's secure redirect flow. The return leg carries HMAC-MD5 signature verification, so a tampered callback cannot mark an unpaid order as paid — the failure mode that makes a payment integration worse than no integration.
It handles CZK, EUR and USD and localises into Czech, Slovak, English, Russian and Japanese. A post-init hook configures the payment method on install, removing the manual provider setup that is the most common way these integrations end up half-configured in production.
Published on the Odoo App Store, which means it passed a first-party marketplace review rather than being self-declared as finished.
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