Amela
FanCast Platform Build Story
For confidentiality, company names, project names, and system images have been replaced with pseudonyms and mocks.

Video streaming and five revenue streams,Built In-House from Scratchin.

FanCast is a video streaming platform connecting creators with hundreds of thousands of fans. It unifies five revenue models—subscriptions, Coins, tips, ranking VIP, and more—into a single experience.

Streaming quality, five revenue streams, domestic payment support, real-time features—a platform that meets the four axes essential to the creator economy all at once,18 months from zerothe story of launching a new platform, built in-house with

See the build story → Try the Demo ▸ View Overview
Streaming Uptime
99.9%
Never stop the creator
Upload → Stream
Minutes
Automatic HLS Conversion
Revenue Model Integration
5streams
One platform, automated payouts
New Model Launch
Several weeks
Easy to extend via common interface
FanCast
LIVE
Spring Morning Routine
Music
Travel
💎
A tip arrived
Diamond × 1 from Manami
01
CLIENT
About the Client

FanCast, one of Japan's leading players driving the creator economy.

FanCast is one of Japan's leading platform operators connecting video creators with fans.Thousands of creatorsregister, and each monthThousands of new videoshas been posted.

The business model is to "maximize creator monetization." It calls for a design that unifies multiple revenue streams—subscriptions, coin gifts, tips, ranking VIP, Full HD paid access—without hurting the fan experience.

Total Videos Posted
100,000videos+
Registered Creators
Thousands-person scale
Domestic Payment Support
4companies integrated
BUSINESS FLOW
The four steps from upload to monetization
02
CHALLENGE
Design Challenges to Solve

The four structural requirements demanded of the platform.

Neither was a matter of technology choice,Creator retention · Fan monetization rate · Revenue opportunity · Operational loada business requirement tied directly to it. A greenfield build from scratch required a design that "holds all of these together at once."

If streaming stops, creators leave
If video transcoding backs up or playback fails, the more popular a creator is, the more likely they are to churn to another platform.Streaming quality = platform valueitself.
Implementing the four domestic payment providers individually delays new-feature launches
Integrating each of the four Japan-fan-specific payment methods individually would,Adding new revenue models like subscriptions or Coins takes monthsmeans taking on design debt that requires it.
Mixing five revenue streams complicates the monthly payout
Reconciling the accounting across subscriptions, Coins, tips, VIP, and Full HD paid access is inherently complex. Get the design wrong and,Payout delays to creatorsescalates directly into a trust problem.
Getting real-time features wrong destabilizes the platform at peak
By design, live viewing, tips, messenger, and ranking updates spike simultaneously; a wrong countermeasure and,The more popular the creator's stream, the more the system strainsa reversal occurs.
03
ARCHITECTURE
Architecture Built Together

Turning the creator economy into an "unstoppable foundation" across four domains.

A microservices architecture leveraging cloud infrastructure to the fullest,Streaming pipeline · Monetization · Real-time featuresdesigned to scale independently. We built from scratch, in-house, a foundation that lets new revenue models "launch in weeks."

Amela
EXECUTION
18months
Duration
250person-months
Total Effort
Area ①
Streaming Pipeline
Challenge
Needed to deliver high-resolution video at low latency while preventing leakage of paid videos
Solution
Secure delivery with automatic HLS conversion + signed URLs
Streaming starts within minutes of upload; 99.9% uptime
Area ②
Payment Integration
Challenge
Needed to integrate four Japan-specific payment providers and make adding new ones easy
Solution
Consolidated into a common payment interface; adding a new gateway takes weeks
Supports subscriptions, Coins, and tips all at once
Area ③
5 Revenue Streams
Challenge
Needed to keep the accounting consistent across five revenue streams and automatically pay out to creators accurately
Solution
A dedicated Worker automates payouts, delivering the monthly close on schedule
Unified payout across subscriptions, Coins, tips, VIP, and HD
Area ④
Real-Time Infrastructure
Challenge
Needed to keep messenger and ranking running stably even at the peak of popular streams
Solution
Auto-scaling concurrent connections on a dedicated platform
Tips and chat stay stable even at peak times of popular streams
TECH STACK
04
IMPACT
Value the platform creates

FanCast's "unstoppable creator economy" accelerates.

This platform is not about technical metrics,Creator retention rate · Fan monetization rate · Room for revenue growthcontinuously generating business outcomes such as these.

A platform where popular creators stay long-term
Streaming that never stops, supporting long-term contracts with top-tier creators
Launch new revenue models in weeks
A business capable of "testing new packages in weeks" to match market opportunities
Design to maximize fan value (ARPU)
A smooth tip, VIP, and HD paid-access experience that lifts the combined monetization rate
Lower operational load, focus on planning effort
With automated payouts and monitoring in place, the operations team can focus on planning and marketing
🎧
STAKEHOLDER
Fans
Viewers & Paying Users
Typically
On other services, tips and Coin purchases are prone to delays and failures
On FanCast,
Instant gifts to your favorite, completed with your preferred payment method
Business Impact
Higher multi-monetization rate + lifting ARPU
🎬
STAKEHOLDER
Creators
Posting & Monetization
Typically
Not streamed after posting; revenue reflected late
On FanCast,
Live within minutes of posting; all five revenue streams at a glance on one dashboard
Business Impact
Retaining popular creators + long-term contracts
💳
STAKEHOLDER
Payment Partners
4-Company Integration
Typically
Per-case specs pile up integration maintenance costs
On FanCast,
Consolidated into a common interface; new additions are templated
Business Impact
Fast entry into new markets and new payments
🛠️
STAKEHOLDER
Operations
Platformer
Typically
Incident response and payout checks drain staff time and effort
On FanCast,
Automated payouts and monitoring reallocate ops effort to planning
Business Impact
Capacity to reinvest in planning and marketing
05
DEMO
3 role demos

Experience FanCast with a live, working demo.