Topics / #billing

Billing projects on GitHub

Invoicing, subscription billing, and accounting platforms.

As of , the most-starred Billing projects on GitHub are new-api (50.1K stars), one-api (37.2K stars) and ccusage (19K stars). GitHub.Locker tracks 21 Billing repositories with 214.9K stars combined. The fastest-growing on October 16 was monid, with +262 stars in a day.

21Projects
214.9KStars in total
+448Stars in a day
Browse in the catalog →github.com/topics/billing ↗

Hot right now

Most stars gained in a day · Oct 16

+262

monid

monid-ai/monid · ★ 4.7K

It's 'OpenRouter for agent tools': one base URL and one key give an agent access to 2,000+ tools across 72+ providers, so you integrate one API instead of wiring up dozens of vendors yourself.

+45

artcraft-services

storytold/artcraft-services · ★ 1.2K

This is the backend, HTTP API, background workers, and web frontends for ArtCraft, an AI generation platform that creates images, video, audio, meshes, and splats.

+44

new-api

QuantumNous/new-api · ★ 50.1K

New API is a self-hosted gateway that unifies access to many AI providers (OpenAI, Claude, Gemini, DeepSeek, etc.) behind a single endpoint, converting between OpenAI-, Claude-, and Gemini-compatible formats and giving you usage tracking, billing, and access control.

+37

QuantDinger

OpenByteInc/QuantDinger · ★ 12.9K

QuantDinger is an open-source, self-hosted AI Trading OS: it lets you research trading ideas with AI, write Python strategies on a Strategy API, backtest them server-side, and run paper or live trading across crypto exchanges and traditional brokers, with web, mobile, API, and MCP access.

The all-time top

21 projects · by stars

  1. #1 · QuantumNous/new-api

    new-api

    New API is a self-hosted gateway that unifies access to many AI providers (OpenAI, Claude, Gemini, DeepSeek, etc.) behind a single endpoint, converting between OpenAI-, Claude-, and Gemini-compatible formats and giving you usage tracking, billing, and access control.

    50.1K
  2. #2 · songquanpeng/one-api

    one-api

    One API is a self-hosted LLM gateway and key management system: you pool API keys from many providers, and it serves them all through a single OpenAI-compatible API, with a web panel for users, quotas and billing.

    37.2K
  3. #3 · ccusage/ccusage

    ccusage

    ccusage is a command-line tool that reads local usage data from coding agent CLIs and turns it into daily, weekly, monthly, and session reports of token usage and cost.

    19K
  1. 4

    agentic

    18.1Ktransitive-bullshit/agentic · TypeScript

    A curated marketplace of tools for LLM agents — think RapidAPI for AI tools — plus an MCP gateway where anyone can publish an MCP server or OpenAPI service and charge for usage, with Stripe billing and semver versioning.

  2. 5

    QuantDinger

    12.9KOpenByteInc/QuantDinger · Python

    QuantDinger is an open-source, self-hosted AI Trading OS: it lets you research trading ideas with AI, write Python strategies on a Strategy API, backtest them server-side, and run paper or live trading across crypto exchanges and traditional brokers, with web, mobile, API, and MCP access.

  3. 6

    lago

    10.7Kgetlago/lago · Go

    Open-source metering and usage-based billing infrastructure: send usage events from your app, and Lago turns them into billable metrics, pricing, entitlements, invoices, and payments. Mistral AI, Groq, and PayPal use it publicly.

  4. 7

    SSPanel-UIM

    10.4KAnankke/SSPanel-UIM · PHP

    SSPanel-UIM is a self-hosted, PHP-based management panel for proxy services, built for Shadowsocks(2022), V2Ray, Trojan, and TUIC. It handles user accounts, nodes, billing, and subscription distribution for people running their own proxy business.

  5. 8

    polar

    10.4Kpolarsource/polar · Python

    Polar is a billing platform for AI software: it turns usage — tokens, agent runs, GPU seconds — into revenue, so AI startups can charge for their products without building billing from scratch.

  6. 9

    invoiceninja

    10.3Kinvoiceninja/invoiceninja · PHP

    Invoice Ninja is an invoicing application: it creates invoices and quotes and tracks projects, tasks, time and expenses. Version 5 is the current release and comes as a hosted SaaS or a self-hosted app.

  7. 10

    akaunting

    10.2Kakaunting/akaunting · PHP

    Akaunting is an online accounting program aimed at small businesses and freelancers, built with Laravel, VueJS, Tailwind and a RESTful API.

  8. 11

    grok2api

    7.8Kchenyme/grok2api · Go

    Grok2API is a self-hosted Go gateway that pools multiple Grok Build, Grok Web, and Grok Console accounts and exposes them through unified OpenAI- and Anthropic-compatible APIs, with a built-in React admin dashboard.

  9. 12

    flexprice

    6.9Kflexprice/flexprice · Go

    An open-source usage-based billing platform: your app sends usage events, Flexprice meters them in real time, applies plans, credits and feature limits, and generates invoices automatically.

  10. 13

    monid

    4.7Kmonid-ai/monid · TypeScript

    It's 'OpenRouter for agent tools': one base URL and one key give an agent access to 2,000+ tools across 72+ providers, so you integrate one API instead of wiring up dozens of vendors yourself.

  11. 14

    Paymenter

    2.7KPaymenter/Paymenter · PHP

    Paymenter is an open-source billing and webshop platform built specifically for hosting companies, letting them sell and manage hosting services and subscriptions.

  12. 15

    artcraft-services

    1.2Kstorytold/artcraft-services · Rust

    This is the backend, HTTP API, background workers, and web frontends for ArtCraft, an AI generation platform that creates images, video, audio, meshes, and splats.

  13. 16

    os

    821iblai/os · TypeScript

    ibl.ai/os is an open-source AI agent platform for building, deploying, and managing intelligent conversational agents, from prototype to production, with support for any LLM provider.

  14. 17

    whirl

    508whirlchat/whirl · TypeScript

    Whirl is a full-stack AI chat app built on Next.js and Convex. It is the open-source code behind whirl.chat, routing conversations through OpenRouter to top models while adding memory, living documents, and tool integrations.

  15. 18

    UCashier-USDT-Payment

    309ucashier/UCashier-USDT-Payment

    UCashier is stablecoin payment and payout infrastructure for global businesses: it chains together on-chain collection, a hosted checkout, order confirmation and merchant withdrawals so an existing site, app or back office can add USDT/USDC payments without rebuilding its stack.

  16. 19

    captcha-api

    258jamespolyakov9829/captcha-api · Python

    A dependency-free Python client and CLI for the Clearance captcha-solving API, giving one interface to solve both the Cloudflare Challenge ('Just a moment.' interstitial) and the Turnstile widget.

  17. 20

    MiniMax-H3-Cloud

    239Sac-Y/MiniMax-H3-Cloud · JavaScript

    MiniMax H3 Cloud is a Codex plugin that generates MiniMax H3 videos using cloud GPUs (currently via the YunCloud/CompShare platform), handling instance selection, launching, ComfyUI workflow submission, MP4 download, and automatic shutdown.

  18. 21

    TokenLedger

    202zh667/TokenLedger · JavaScript

    TokenLedger is a plugin for DeepSeek Harness (dsh) that tracks token usage and attributes it to the relay site that actually served each request, with zero configuration and no credentials needed for usage tracking.

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