Paymos stablecoin payments for WHMCS

Paymos stablecoin payments for WHMCS

Developed By Paymos

Compatible with WHMCS v9.1

Give your client another way to pay a WHMCS invoice. The Paymos button opens a hosted checkout where the client sends a payment from their wallet. Once verified, the module records the payment through WHMCS, where your existing rules handle service activation and provisioning.

Connect your billing installation to a Paymos account and project. Open the intended project in Paymos, choose Connect Paymos in the gateway settings, and approve the installation URL. That approval configures both Sandbox and Live. Test an invoice in Sandbox, check its payment record, and switch to Live when you are ready. The WHMCS System URL must use HTTPS.

Signed webhooks trigger payment checks against the Paymos invoice API before an invoice is marked paid. The module checks the amount and stored invoice details and uses the WHMCS cron to reconcile missed deliveries.

Renewals still need a payment from your client. WHMCS creates its renewal invoices and reminders as usual; this gateway does not make automatic wallet charges.

The module is free and open source. It connects to the external Paymos payment service, which operates under its own terms and fees.

 

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Version Compatibility


Compatible with WHMCS v9.1

Full Version Compatibility


  • Selected versions of WHMCS v9.1
        9.1.0
  • All versions of WHMCS v9.0
  • All versions of WHMCS v8.13

Support for this product

The best place to start if you need help with a specific product is to contact the developer. All WHMCS Marketplace developers have both a website and support URL listed.

Developed By Paymos

Changelog

v1.5.5 Released November 6th, 2026

Latest Version


  • Sets public pre-purchase support URL (https://paymos.io/contacts) in whmcs.json alongside documentation (https://paymos.io/docs/cms-whmcs).
  • Verifies compatibility across WHMCS 8.13.0 – 8.13.7, 9.0.0 – 9.0.9, and 9.1.0.
  • Refines admin refund status messaging and bundles Paymos PHP SDK 1.9.1 (PHP 8.0+ / 8.5 curl_close guard).
  • Direct release package: https://github.com/Paymos-labs/whmcs/releases/download/v1.5.5/paymos-whmcs-v1.5.5.zip

 

Previous Versions


v1.5.4 Released November 3rd, 2026

View/hide detailed changelog

  • Updates the bundled Paymos PHP SDK to 1.9.1 (guards curl_close on PHP 8.0+ / PHP 8.5).
  • Includes merchant refund support (create, list, and sync refunds with signed webhook verification).
  • Direct release package: https://github.com/Paymos-labs/whmcs/releases/download/v1.5.4/paymos-whmcs-v1.5.4.zip

 

v1.5.3 Released November 3rd, 2026

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  • Adds merchant refund support (create, list, and sync refunds with signed webhook verification).
  • Updates the bundled Paymos PHP SDK to 1.9.0 (Paymos-labs/whmcs v1.5.3).
  • Direct release package: https://github.com/Paymos-labs/whmcs/releases/download/v1.5.3/paymos-whmcs-v1.5.3.zip

 

v1.4.4 Released October 24th, 2026

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  • fix(plugins): fence webhook reservations and correct store packaging
  • chore: rebuild canonical CMS package

 

v1.3.5 Released August 8th, 2026

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Maintenance release. See the full changelog at https://github.com/Paymos-labs/whmcs/releases/tag/v1.3.5

 

See also

WHMCS Bitcoin Payments

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Accept Bitcoin and cryptocurrency payments - CoinGate for WHMCS

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Coinbase Commerce

No Fees, Easy Setup. Accept cryptocurrencies like: Bitcoin, Bitcoin Cash, Ethereum and Litecoin!

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PayTR Virtual Pos iFrame API

Open your web site to shopping with the advantages of PayTR. Take your payments securely.

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Gateway Fees for WHMCS

With this WHMCS module, you'll get the payment gateway fees from your clients directly.

Free