The Finance Base / Subscription billing software / Paymenter
paymenter.org
Paymenter
Paymenter is an open-source billing platform for hosting businesses. It handles subscriptions, one-time products, customer transactions, service provisioning and support tickets. The free Paymenter plan is available under the MIT License. Paid hosted PaaS plans start at €5 a month, while the…
Visit paymenter.org ↗ What it costs
- 7.9 No. 10on Subscription billing software
- Free plan · paid from $5/moprice, as published
- Oct 21, 2026read on
What Paymenter costs
- Paymenter Free
- PaaS €5 / month
- Paymenter PaaS €5 / month
The free Paymenter plan is MIT-licensed. Hosted Paymenter PaaS is listed at €5 a month, billed monthly, with unlimited resources and managed hosting; the pricing note also says paid plans start from $5 a month.
As paymenter.org publishes them, read Oct 9, 2026. Fees, tax and exchange rates can differ when you pay; check the provider's own page first.
Its statement
- Free plan
- Yes
- Free trial
- Not stated
- Runs on
- iPhone Android Web Linux
- Facts on record
- 48
Strengths and limits
Strengths
- Free open-source plan under the MIT License
- Automated billing and service deployment for hosting businesses
- REST API plus gateway and server extensions
- Managed PaaS listed at €5 a month with daily backups
Limits
- Windows is unsupported for self-hosting
- Proxmox integration is a paid extension
- Payment and transaction fees are not published
- No iPhone or Android app is listed
What it does
Paymenter gives hosting businesses a storefront for products, subscriptions and one-time charges. Products can include billing intervals from days to years, setup fees and paid configuration options.
It connects products to server extensions for provisioning and service management. A REST API can control users, products, orders, services, invoices, tickets, credits and affiliates, and the platform includes customer tickets and email piping for replies.
Fees and plans
The free Paymenter plan is an open-source billing platform released under the MIT License. The pricing note says paid plans start from $5 a month.
Paymenter PaaS is listed at €5 a month, billed monthly, with unlimited resources and managed hosting. Another PaaS listing also states €5 a month with unlimited resources. The facts do not publish transaction, gateway, currency-conversion or filing fees.
Proxmox server integration is available only as a paid extension.
Where it runs
Paymenter runs as a web application, API and self-hosted Linux installation. The installation guide lists Ubuntu 22.04 and 24.04, CentOS 8 and 9, and Debian 11, 12 and 13. Windows is marked unsupported.
The listed system requirements include PHP 8.3 or higher, Composer, Apache or Nginx, and MariaDB. No iPhone or Android app is listed in the supplied platform details.
Protection, as published
Paymenter's installation guide says the APP_KEY encrypts data such as user passwords. It warns that losing this key makes encrypted data irrecoverable.
Paymenter PaaS describes its hosted service as including free daily backups and Cloudflare DDoS protection. These are the provider's published statements; the supplied facts do not state a regulator, licence, deposit protection, two-factor sign-in or dispute process.
Strengths
Hosting companies can combine recurring or one-time plans with automated billing and service deployment. Built-in gateway extensions include Mollie, PayPal and Stripe.
The platform supports custom themes, marketplace extensions, multiple languages, multiple currencies with automatic conversion and rates, announcements, affiliate tracking and a WHMCS importer.
Catches
Self-hosting requires a supported Linux system and the listed PHP, Composer, web-server and MariaDB setup. Windows is unsupported.
The facts do not give gateway fees, exchange-rate margins, transaction limits or country coverage. Proxmox costs extra, and losing the APP_KEY makes encrypted data irrecoverable.
Who should skip it
Paymenter may not fit a business needing a native iPhone or Android app, Windows hosting or published payment-fee details.
Verdict
Paymenter suits hosting operators that want open-source billing tied to server provisioning, with a free self-hosted option and a low-cost managed PaaS listing. Its REST API, themes, extensions, migration tool and ticketing cover operational workflows around hosted services.
It is a weaker fit where Windows support, phone apps, clearly published transaction pricing or a stated dispute and regulatory framework are required. Proxmox users also need to account for a paid extension.
Who it suits
Pick it if
- Hosting companies managing subscriptions and provisioned services
- Teams wanting self-hosting, APIs and extensions
- Businesses migrating billing data from WHMCS
Skip it if
- You need Windows hosting or a listed mobile app
- You need published gateway fees or transaction limits
- You require stated regulatory or dispute-handling details
Facts we read
- Affiliate trackingThe product site lists affiliate tracking and rewards as a built-in feature. · paymenter.org, Oct 21, 2026
- AnnouncementsThe product site describes a built-in blog system for publishing customer announcements. · paymenter.org, Oct 21, 2026
- APIPaymenter provides a REST API to control the platform and automate workflows. · paymenter.org, Oct 9, 2026
- API client librariesThe API reference offers client selections for Shell, Ruby, Node.js, PHP, and Python. · paymenter.org, Oct 21, 2026
- API compatibilityThe API documentation says it requires Paymenter v1.2.0 or higher and identifies the specification as OpenAPI 3.1.0. · paymenter.org, Oct 21, 2026
- AutomationThe platform supports automated billing and service deployment. · paymenter.org, Oct 9, 2026
- Company foundedPaymenter’s LinkedIn profile lists its founding year as 2022. · linkedin.com, Oct 21, 2026
- Company headquarters and sizeLinkedIn lists the headquarters as Nederland and the company size as 2–10 employees. · linkedin.com, Oct 21, 2026
- Company legal name and fundingThe opened LinkedIn and Crunchbase profiles identify the organization as Paymenter but do not state a legal entity name or a specific funding total. · crunchbase.com, Oct 21, 2026
- Configurable optionsCustomers can customize a product through configurable options, including options that add charges. · paymenter.org, Oct 21, 2026
- Customer support ticketsPaymenter includes a ticketing feature for handling customer support requests. · paymenter.org, Oct 21, 2026
- CustomizationPaymenter supports custom themes and extensions from its marketplace. · paymenter.org, Oct 9, 2026
- Developer extensionsDeveloper documentation covers server and gateway extensions, configuration, and event hooks. · paymenter.org, Oct 21, 2026
- Documentation coverageThe documentation includes installation, updating, products, server integrations, payment gateways, tickets, single sign-on, WHMCS import, CLI, and FAQs. · paymenter.org, Oct 21, 2026
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Questions
Is Paymenter free?
Yes. The Paymenter plan is listed as free and open source under the MIT License. Paid plans are also listed, including hosted Paymenter PaaS at €5 a month.
What does Paymenter cost when hosted?
Paymenter PaaS is listed at €5 a month, billed monthly, with unlimited resources and managed hosting. The pricing note says paid plans start from $5 a month.
Which systems support self-hosted Paymenter?
The guide lists Ubuntu 22.04 and 24.04, CentOS 8 and 9, and Debian 11, 12 and 13. Windows is marked unsupported.
Does Paymenter have an API?
Yes. Its REST API covers users, products, orders, services, invoices, tickets, credits and affiliates. The API documentation requires Paymenter v1.2.0 or higher.
Which payment gateways are built in?
Built-in gateway extensions include Mollie, PayPal and Stripe. The supplied facts do not state their transaction fees or country availability.
Can Paymenter import WHMCS data?
Its WHMCS importer can transfer currencies, users, administrators, products, tickets, orders, services, cancellations, invoices and payments.
Is Paymenter yours?
Claim it for free to correct a fact, and see the places you can buy on The Finance Base.