Multiplayer API

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What Multiplayer API is

Multiplayer API is a backend for online games, providing player accounts, game rooms, matchmaking, leaderboards, and realtime state updates. Player tools include registration, authentication, sessions, heartbeats, custom data, and timed or permanent bans. Games can work with rooms and lobbies, realtime actions, join requests, password-protected matches, and direct joins. JSON endpoints support structured game and player data, as well as submitting and querying ranked scores.

Official SDKs are available for Unity, Java, .NET, C++, and Python; other platforms can connect through the REST API. A Node.js realtime relay supports room events, while the Python SDK page describes an asyncio WebSocket client for realtime rooms. The server source and SDKs use the MIT No Attribution license, which the maker says permits commercial use without attribution, and the project can be self-hosted. Hosted-service data is stored in France on Hostinger servers; its FAQ says it complies with GDPR. The project is maintained by Nichita Levandovici (Michitai) in the Republic of Moldova. Plans start with a free tier and include paid options from $25 a month.

Who it suits

Multiplayer API is aimed at indie developers and studios that want backend features for online games without building and operating that infrastructure themselves. It suits teams using its official SDKs or REST API, whether they choose the hosted service or self-hosting.

What it does well

Provides player accounts, rooms, matchmaking, leaderboards, and realtime updates.
Offers SDKs for Unity, Java, .NET, C++, and Python.
REST API access is available for other platforms.
MIT No Attribution license permits commercial use without attribution, according to the maker.
Can be self-hosted.

What to know first

The Free plan is limited to 128 MB storage, one game, and 100 concurrent players.
Standard costs $25 a month and allows one game.
Pro costs $300 a month.

Limits

The Free plan includes 128 MB storage, one game, and 100 concurrent players. Standard is $25 a month for 512 MB storage, one game, and 1K concurrent players; Pro is $300 a month for 1 GB storage, three games, and 2K concurrent players.

Plans

Plan	Billed and limits	Price
Free	128 MB storage · 1 game · 100 concurrent players	Free
Standard	Billed monthly in advance · 512 MB storage · 1 game · 1K concurrent players	$25 a month
Pro	Billed monthly in advance · 1 GB storage · 3 games · 2K concurrent players	$300 a month

As api.michitai.com lists them, read 7 Oct 2026. The maker's own page has the final word.

Getting started

Visit the Multiplayer API website.
Choose the hosted service or self-host the project under its MIT No Attribution license.
Select the Free plan or a paid plan.
Use an official SDK for Unity, Java, .NET, C++, or Python, or connect through the REST API.

Verdict

Choose Multiplayer API if you need game backend features such as player accounts, match rooms, matchmaking, and realtime updates, with SDKs or REST access. The Free plan has defined storage, game, and concurrent-player limits; paid plans start at $25 a month.

Questions

How much does Multiplayer API cost?

The Free plan costs nothing. Standard costs $25 a month, and Pro costs $300 a month.

What does the Free plan include?

It includes 128 MB storage, one game, and 100 concurrent players.

Which platforms have official SDKs?

Official SDKs are available for Unity, Java, .NET, C++, and Python. Other platforms can use the REST API.

Can I self-host Multiplayer API?

Yes. The project can be self-hosted under its MIT No Attribution license.

Who maintains the project?

It is designed, built, and maintained by Nichita Levandovici (Michitai), in the Republic of Moldova.

Where is data stored for the hosted service?

The service stores data on Hostinger servers in France. Its FAQ says the service complies with GDPR.

Facts from Multiplayer API's own pages

Data location: The hosted service stores data on servers in France provided by Hostinger, and its FAQ says the service complies with GDPR. · api.michitai.com, 7 Oct 2026
Data retention: The privacy policy says API logs are retained for 90 days, payment records for 7 years, and deleted-account personal data is removed within 30 days. · api.michitai.com, 7 Oct 2026
Intended users: The project says it aims to help indie developers and studios ship multiplayer features without building and operating their own backend infrastructure. · api.michitai.com, 7 Oct 2026
Leaderboards and storage: Games can submit and query ranked leaderboard scores and store structured game and player data through JSON endpoints. · api.michitai.com, 7 Oct 2026
Maker: The project is designed, built, and maintained by Nichita Levandovici (Michitai), in the Republic of Moldova. · api.michitai.com, 7 Oct 2026
Open-source license: The server source code and SDKs use the MIT No Attribution license, which the maker says permits commercial use without attribution. · api.michitai.com, 7 Oct 2026
Player management: Player features include registration, authentication, sessions, heartbeats, custom player data, and timed or permanent bans. · api.michitai.com, 7 Oct 2026
Realtime: A Node.js realtime relay supports room events, and the Python SDK page describes an asyncio WebSocket client for realtime rooms. · api.michitai.com, 7 Oct 2026
Rooms and matchmaking: The API supports game rooms, realtime actions, lobbies, join requests, password-protected matches, and direct joins. · api.michitai.com, 7 Oct 2026
SDKs and API: Official SDKs are available for Unity, Java, .NET, C++, and Python, with direct REST API access for other platforms. · api.michitai.com, 7 Oct 2026
Security: The privacy policy says passwords use bcrypt, API communications use HTTPS/TLS, authenticated requests require API tokens, and database access uses prepared statements. · api.michitai.com, 7 Oct 2026
Self-hosting: The project can be self-hosted under its MIT-0 license; for self-hosted instances, the operator's own deployment and privacy policy apply. · api.michitai.com, 7 Oct 2026
Support: The maker directs users to [email protected] for questions, bug reports, and feature requests. · api.michitai.com, 7 Oct 2026
What it does: Multiplayer API is a hosted backend for online games, providing player accounts, rooms, matchmaking, leaderboards, and realtime state updates. · api.michitai.com, 7 Oct 2026

Where Multiplayer API stands on Freedom251

Game Matchmaking Software#12 of 28
Game Leaderboard Software#17 of 37