Paymenter and Pterodactyl 2.0 extension Live

Karelia Bridge: one-click sign-in and billing for Paymenter and Pterodactyl 2.0

Hosting customers pay in Paymenter and manage their server in Pterodactyl, with two logins and no idea when the next invoice is due. Karelia Bridge joins the two.

Buy on Gumroad ($24.99) →Free 2.0 extension →

Requires: Paymenter 1.5+ and Pterodactyl 2.0
Panel part: Official Pterodactyl 2.0 extension (.pteroext)
License: One license key per purchase
Refunds: 14 days

A customer clicks Open control panel in Paymenter and lands on their server, signed in. Inside Pterodactyl 2.0, every server gets a Billing page and a banner before payment is due. It is built on Pterodactyl 2.0's official extension system, so the panel's core files are not touched.

Billing page inside Pterodactyl 2.0 showing the plan, price, next due date and an unpaid invoice with a Pay now button — The Billing page inside the panel

What Karelia Bridge does

One-click sign-in

A single-use link that expires after 60 seconds. Admin accounts and unknown users are refused.

Billing page in the panel

Plan, price, next due date and unpaid invoices with a Pay now button, on every server.

Due-date banner

A banner above the console when payment is due soon or overdue.

Badges on the server list

Customers see which servers need attention before they open them.

No extra secrets

Everything runs over Paymenter's existing Application API key for the panel.

Includes the 2.0 server extension

The free Pterodactyl 2.0 for Paymenter extension is in the download.

Screenshots

Paymenter service page with an Open control panel button — Open control panel from Paymenter

Banner above the server console saying payment is due soon — Due-date banner above the console

Pricing

$24.99One-time purchase

Sold through Gumroad, which handles VAT.

Guides

Fix Paymenter after upgrading to Pterodactyl 2.0: "api/application/nests could not be found"

Pterodactyl 2.0 removed the nest endpoints that Paymenter's built-in extension calls. Switch to a 2.0-aware extension with one command; products and services stay.

Read the guide →

FAQ

Is the sign-in link safe to share?

It works once and expires after 60 seconds, and it only signs in the customer who owns the service. Admin accounts can't be signed in this way.

Does it modify Pterodactyl's core files?

No. The panel part is an official Pterodactyl 2.0 extension, installed and removed with the panel's own extension tools.

Does it work with Pterodactyl 1.x?

The sign-in, Billing page and banner need Pterodactyl 2.0's extension system. The included server extension works on both 1.x and 2.0.

How is the license checked?

Against Gumroad's license API every 12 hours. If Gumroad can't be reached, the last good check is trusted for 7 days.

Pterodactyl 2.0 for Paymenter

Free drop-in Paymenter extension for Pterodactyl 2.0 and 1.x. Fixes "api/application/nests could not be found" after the panel upgrade.

Updated 2026-10-19