What Muxy does

Muxy is a B2B platform company that provides the tooling and infrastructure game publishers need to build and operate interactive Twitch extensions. Its product surface centers on two components: MEDKit, a JavaScript SDK for viewer-facing extension UIs with persistent state, voting/polling/trivia services, ranking, and authentication; and GameLink, a real-time WebSocket/API platform with native C# (Unity) and C++ (Unreal Engine) SDKs that synchronizes game state with Twitch viewer interactions and supports Twitch Bit purchase transactions. The company also markets Muxy Drops (Twitch Drops enablement), Muxy Gateway (hosted extension frontend/backend launched February 2023), and Muxy Analytics (viewer-to-player conversion and campaign attribution). Underlying infrastructure is documented as battle-tested at up to 2 million concurrent users.

Muxy's primary customer segment is enterprise game publishers and studios, with disclosed engagements spanning Warner Bros (MultiVersus), The Pokémon Company, THQ Nordic (SpellForce 3), Logic Artists (Expeditions: Rome), and Turtle Rock Studios (Back 4 Blood), among others. Secondary segments include Twitch broadcasters seeking monetization and engagement differentiation and independent extension developers using the MEDKit SDK. The go-to-market combines an API-first developer motion (Developer Portal, documentation, multi-language SDKs, GitHub open-source libraries, Discord support) with enterprise field sales — quote-based custom development partnerships and multi-year contracts with major studios.

Revenue mechanics are not publicly disclosed; the company operates on a quote-based model with platform fees and custom development partnerships as the inferred revenue streams, supported by a 1–10 person team based in Austin, TX. Muxy is privately held and venture-backed by GAN Ventures, Konvoy Ventures, Andover Ventures, Drive by DraftKings, and MAGIC Fund, with non-equity grants from Epic Games (Epic Mega Grant) and MassChallenge ($25K Gold Award, 2020). Notable recognition includes a 2019 Emmy for the audience-interactive Twitch series 'Artificial' and a 2022 Sports Emmy nomination for Fan Controlled Football.

Name

Muxy

Legal name

Muxy, Inc.

Website

https://muxy.io

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

1–10 employees

Short description

Muxy provides SDKs, APIs, and hosted infrastructure that let game publishers build interactive Twitch extensions enabling real-time, two-way engagement between streamers and viewers, with battle-tested platform capacity of up to 2 million concurrent users.

Ownership category

akta.pro rank

Product category

Twitch extension development platform

NAICS

Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Software Publishers (5132)

SIC

Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373)

akta.pro primary industry

Creator & Streamer Platforms (Live & VOD for Game Content) (MPAFAEAA)

akta.pro secondary industry

Enterprise & Professional Live Streaming Platforms (Webinars/Events) (MPACACAI)

Keywords

• Twitch extension development
• Live streaming interactivity
• Game-stream integration SDK
• Viewer engagement platform
• Twitch broadcaster tools

Headquarters

HQ city

Austin

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. Twitch Extension Development Platform: Muxy provides a platform for game developers to create interactive Twitch extensions. While specific pricing models are not publicly disclosed, the company operates as a B2B SaaS platform offering tools and services to game publishers and streamers. Revenue appears to come from platform fees for their extension development tools and potentially custom development partnerships with major studios.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

Muxy provides a Twitch extension development platform that enables game developers, broadcasters, and brands to build interactive live-streaming experiences. The platform centers on two products: MEDKit, a JavaScript SDK and REST API for building viewer-facing extensions, and GameLink, a real-time WebSocket-based game-integration layer with C# SDK for Unity and C++ for Unreal Engine. The technology allows viewers to directly influence streamer gameplay through polls, voting, trivia, ranking, and Twitch Bit purchases, while also providing campaign analytics, Twitch Drops support, and direct attribution from stream viewers to game sales.

Product overview

Muxy is a Twitch extension development platform consisting of two core products: MEDKit (JavaScript SDK for building viewer-facing extensions) and GameLink (real-time game-integration platform with WebSocket API, C# SDK for Unity, and C++ SDK for Unreal Engine). The platform enables two-way engagement between streamers and viewers, allowing audiences to directly impact gameplay through interactive overlays, polls, voting, and data aggregation. Supporting products include Muxy Drops (Twitch Drops solution for games) and Muxy Gateway (extension creation platform providing frontend/backend infrastructure). The company also offers analytics services to measure campaign effectiveness and viewer-to-player conversion metrics.

Differentiator

Problem solved

Functional benefit

Brands

• MEDKit: JavaScript library for building viewer-facing extensions on Twitch, part of the Muxy SDK.
• GameLink
• GameLink SDK

Products and services

• MEDKit JavaScript SDK and REST API that enables developers to build viewer-facing Twitch extensions, with persistent state management, viewer data endpoints, JWT authentication, engagement tools (accumulation, ranking, polling, voting, trivia), and broadcast messaging.
• GameLink API Real-time WebSocket-based game-integration platform that lets Twitch developers interact directly with the Muxy server to integrate games and broadcast content with live viewer data, including support for Twitch Bit purchase transactions.
• GameLink C# SDK (Unity) Open-source C# library for integrating GameLink functionality into Unity game projects, enabling real-time Twitch extension interactions within Unity-based games.
• GameLink C++ SDK (Unreal Engine) Open-source C++ library for integrating GameLink into Unreal Engine games, enabling Twitch extension functionality through a native Unreal Engine plugin.
• Muxy Drops Solution enabling any game, with or without player account systems, to harness Twitch Drops for viewer rewards and engagement campaigns during live broadcasts.
• Muxy Gateway Platform that provides pre-built frontend and backend infrastructure for Twitch extensions, allowing game developers to focus only on integrating with their game code. Built on technology validated through MultiVersus and Expeditions: Rome extensions and supports up to 2 million concurrent users.
• Muxy Analytics Analytics and insights platform providing visibility into viewer-to-player conversions, identification of the most effective Twitch channels and influencers, and measurement of marketing ROI for Twitch-based campaigns.

Quantifiable outcome

• Streamers and viewers engage 2x as long with Muxy-enhanced extensions compared to standard streams
• +3 more outcomes

Named customers11 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability1 record

Feature8 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Pillowfort (Pillowfort.io): Pillowfort was a smaller developer of Twitch extensions providing channel point tools and streamer engagement widgets. It represents the same niche of Twitch-extension-first tooling that Muxy operates in, with a narrower feature set and more streamer-focused (less game-publisher-focused) positioning.
• Plaiment (Genvid): Genvid Technologies provides interactive streaming SDK and engine for cloud-rendered and game-streamed experiences with real-time viewer participation. It is comparable to Muxy's GameLink real-time game-integration offering but oriented toward fully interactive streamed experiences and cloud rendering rather than Twitch extension overlays.
• Stream Hatchet: Stream Hatchet provides streaming analytics and market intelligence for game publishers, agencies, and esports organizations, focused on Twitch and other live platforms. It overlaps with Muxy Analytics in the publisher-facing data layer around Twitch campaign performance and viewer-to-player conversion.
• Bountie: Bountie is a creator economy platform that helps streamers and gamers monetize through tournaments, subscriptions, and sponsorships. It overlaps with Muxy's monetization and engagement value proposition for streamers, though Bountie is more focused on tournament/sponsorship mechanics than in-stream extensions.
• Rainmaker.gg: Rainmaker.gg provides tools for game publishers to run influencer and creator marketing campaigns, including creator discovery and performance analytics on Twitch and YouTube. It overlaps with Muxy's analytics and publisher-marketing value proposition, though focused on campaign management rather than interactive in-stream extensions.

Direct peers

• StreamElements: StreamElements provides a creator platform for streamers on Twitch, YouTube, and Facebook Gaming including overlays, alerts, chatbots, and monetization tools. It directly overlaps with Muxy's value proposition of helping streamers and game publishers extend viewer engagement and monetization beyond native Twitch features.
• Streamlabs (Logitech): Streamlabs offers a comprehensive suite of creator tools (overlays, alerts, donations, merch) for live streamers, now owned by Logitech. It competes with Muxy in enabling streamers and brands to engage and monetize audiences during live broadcasts, though Muxy is more focused on game publisher extensions rather than individual streamers.
• Nightbot: Nightbot is a chatbot and moderation tool widely used by Twitch streamers to automate viewer engagement, commands, polls, and giveaways. It overlaps with Muxy's viewer engagement services (polls, voting, trivia) though focused on chat automation rather than rich in-stream extensions and game integrations.

Broad incumbents

• Elgato (Corsair): Elgato, owned by Corsair, provides hardware and software tools for streamers including Stream Deck, capture cards, and lighting. It is a broader incumbent in the creator-tooling space that competes for share-of-wallet from streamers and publishers building out live production workflows.
• Twitch Developer Platform (Twitch itself): Twitch's own developer platform provides the extension framework, Bits monetization, and engagement primitives that Muxy builds on. As the platform owner, Twitch is both Muxy's distribution channel and a potential first-party competitor that could expand native features and compress Muxy's value proposition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/muxyatx
• GitHubgithub.com/muxy
• YouTubeyoutube.com/channel/UC7MKw1jw6EQQ8wjpvoSGTPw
• LinkedInlinkedin.com/company/muxy

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds3 records

Investors4 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Muxy