MASSIVE LINKS株式会社

API & Infrastructure Development

Infrastructure That Powers Business.

Build the infrastructure that powers your business.

APIs, infrastructure, and data platforms are the invisible foundation of your business.

Yet in many companies, applications and infrastructure are siloed — preventing these systems from delivering their true value.

MASSIVE LINKS combines AI-driven development, modern cloud-native infrastructure, and deep integration with application development to build infrastructure that truly powers business growth.

AI-DRIVEN
Development
30–50% Faster
MODERN
Cloud-Native
Scalable
INTEGRATED
End-to-End
App + Infra

The Reality

The Industry Reality — 5 Silos.

API and infrastructure failures are not caused by technical incompetence — they stem from silos.

01Application vs Infrastructure Silos

Different vendors for app and infra development

Misaligned requirements, blurred accountability. Slow root-cause analysis when things break.

02Data Platform vs Application Silos

Data platform built but never actually used

BI tools deliver no value. Data and application layers are not integrated.

03Dev vs Ops Disconnect

Development and operations teams are siloed

Delayed releases, personalized incident response. "Build and forget" culture.

04API Design vs Consumer Disconnect

API design is personalized, documentation is insufficient

API consumers cannot understand usage, version chaos. Hard to change after the fact.

05Present vs Future Tradeoff

"Good enough for now" — scalability deferred

Outages at traffic spikes. Costly rewrites later.

MASSIVE LINKS delivers its greatest value by integrating all five of these silos.

Failure Patterns

5 Typical Failure Patterns.

Why do infrastructure projects fail?

01The "Good Enough" Trap

Ship first, design later. Result: a refactoring nightmare six months down the road.

Under-investment in early-stage architecture.

02The Vendor Lock-In Trap

Over-reliance on a single cloud provider. Price hikes leave you paralysed.

Insufficient abstraction and portability.

03The Unscalable Trap

Designed for 100K page views, crashes at 1M. Service outages and lost revenue during growth.

Scalability ignored at design time.

04The Security Afterthought Trap

"We'll add security later" — vulnerabilities surface in production, trust is shattered.

Security-by-design completely absent.

05The Documentation Void Trap

When the developer leaves, nobody understands the API. Every change takes forever.

No documentation or design assets.

MASSIVE LINKS designs to prevent all five of these pitfalls from day one.

Our Difference

Traditional Infrastructure vs. MASSIVE LINKS.

AspectTraditionalMASSIVE LINKS
🎯PerspectiveTechnology-firstBusiness Value
Speed6–12 months3–6 months
💰Cost¥20M–¥50M¥10M–¥30M
🔗IntegrationApp siloUnified ops
🏗️TechnologyLegacyModern stack
📊OperationsAbandoned post-launchContinuous DevOps

Competitive Landscape

Cloud SIsApp silo, premium pricing
Major SIersUltra-high cost, slow, late to modern
Data-Specialist FirmsWeak on APIs, no holistic view
DevOps-Only FirmsDisconnected from app development
StartupsInsufficient track record
Global FirmsUltra-high cost, limited Japan expertise
Offshore VendorsQuality & security concerns
MASSIVE LINKS → Integrated × Modern × AI-Driven

What we build is not 'technical infrastructure' — it's the foundation that powers your business.

Technology for technology's sake — never. We design foundations for business growth.

The Three Axes

AI-Driven × Modern × Integrated — The 3 Axes.

Business-powering infrastructure is only complete when all three axes align.

🤖
AXIS 01 · AI-DRIVEN

AI-Driven Development

  • 30–50% faster infrastructure delivery
  • Auto-generate IaC & scripts
  • Automated testing & quality assurance
AI-Driven Development Details
🏗️
AXIS 02 · MODERN STACK

Modern Infrastructure

  • Cloud-native architecture
  • Containerization (Docker/K8s)
  • Infrastructure as Code (Terraform/Pulumi)
🔗
AXIS 03 · INTEGRATED DEV

Integrated Development

  • Integrated with Business Systems
  • Integrated with SaaS & Web Apps
  • AI-Driven Core integration
Business System Development

When All 3 Axes Align

AI-Driven+Modern Stack+Integrated DevBusiness-Powering Infrastructure

A single missing axis prevents true value delivery. MASSIVE LINKS is the only firm with all three.

Architecture Examples

Architecture in Action.

4 concrete architecture samples.

🔗
SAMPLE 01

Microservices API Platform

REST & GraphQL support
Infinitely scalable
Independent service updates

Coverage

What We Cover.

🔌

API Development

  • REST API design & development
  • GraphQL API design & development
  • gRPC
  • WebSocket (real-time communication)
  • API Gateway setup
  • OpenAPI documentation
  • API versioning
  • Public & partner APIs
☁️

Cloud Infrastructure

  • AWS / GCP / Azure design & deployment
  • Multi-cloud strategy
  • Kubernetes (EKS/GKE/AKS)
  • Containerization (Docker)
  • Serverless (Lambda/Cloud Functions)
  • IaC (Terraform/Pulumi)
  • Network design
  • Security design
📊

Data Platform

  • Data lake setup (S3/GCS)
  • Data warehouse (BigQuery/Redshift/Snowflake)
  • ETL pipelines (Airflow/dbt)
  • Real-time processing (Kafka/Kinesis)
  • Data quality management
  • Data governance
  • BI dashboard integration
  • AI/ML foundation
⚙️

DevOps & SRE

  • CI/CD pipeline setup
  • Monitoring & observability
  • Log management
  • SRE (site reliability engineering)
  • SLO/SLI design
  • Chaos engineering
  • Incident response setup
  • Operational automation

Tech Stack

Modern Technology Stack.

Battle-tested, modern, and actively maintained — designed for 5–10 years of system longevity.

API
  • REST (Express/FastAPI/Gin)
  • GraphQL (Apollo/Hasura)
  • gRPC
  • WebSocket (Socket.io)
  • OpenAPI / Swagger
Cloud
  • AWS (EC2/ECS/EKS/Lambda/RDS/S3)
  • GCP (GCE/GKE/Cloud Run/BigQuery)
  • Azure (AKS/Functions)
  • Kubernetes (Helm/ArgoCD)
  • Terraform / Pulumi
Data & Storage
  • PostgreSQL / MySQL
  • MongoDB / DynamoDB
  • Redis / Memcached
  • Kafka / Kinesis
  • BigQuery / Snowflake / Redshift
  • S3 / GCS
DevOps & Monitoring
  • GitHub Actions / GitLab CI
  • ArgoCD / Flux
  • Datadog / New Relic
  • Prometheus / Grafana
  • Sentry
  • Terraform / Ansible

Process

Development Process.

01
Requirements & Discovery2–3 weeks
Business requirementsCurrent infra analysisNon-functional requirements
02
Architecture Design2–4 weeks
Overall designTechnology selectionSecurity design
03
Infrastructure Build1–3 months
IaC setupEnvironment buildCI/CD pipelines
04
API / Service Development2–4 months
API design & implementationService developmentTest automation
05
Testing & Release2–4 weeks
Performance testingSecurity testingProduction migration
06
DevOps OperationsOngoing
Monitoring & improvementScale managementSecurity response

Integration

The Center of Development.

API & Infrastructure sits at the center — connecting AI-Driven Core and application development.

🤖
AI-Driven Core
Cross-cutting AI adoption across all services
🏗️
Build Applications
Integrated application development
🔗
API & Infrastructure
The hub connecting everything

With MASSIVE LINKS, AI-era development and operations — from AI to applications to infrastructure — are complete under one roof.

Pricing

Investment Guide.

MASSIVE LINKS Pricing

Small
API-focused, single platform
¥5M–¥15M
2–4 months
Mid-scale
Microservices & data platform
¥15M–¥35M
4–8 months
Enterprise
Integrated enterprise platform
¥35M–¥80M
8–12 months

AI-driven development + modern stack delivers roughly half the industry cost and timeline.

Market Comparison

Major SIers
¥50M–hundreds of M1–2 years
Cloud SIs
¥20M–¥80M6–12 months
Data Specialist Firms
¥20M–¥50M6–12 months
DevOps-Only Firms
¥15M–¥40M6 months+
Offshore Vendors
¥5M–¥20M6–12 months
* All pricing is estimated. A detailed quote will be provided in your complimentary 60-minute initial consultation. For combined app + infrastructure projects, bundled plans are available.

Why Us

MASSIVE LINKS' Strengths.

01

AI-Driven × Modern × Integrated — The Only 3-Axis Model

The only firm that resolves the industry's fundamental silos. AI-driven development boosts speed by 30–50%, modern infrastructure stays maintainable for 10+ years, and integrated development means the same team handles app and infra. No other firm has all three.

02

End-to-End Development Integration

AI-Driven Core (AI, LLM/RAG, AI Agents, DX/PoC) and Build (Business Systems, SaaS, API & Infrastructure) — all handled by one team. The "connective tissue" between services is optimised end-to-end. No need to manage multiple vendors.

03

Committed to Business Value

Technology for technology's sake — never. We design foundations for business growth. We communicate value to both C-suite and engineering teams — a rare capability that sets us apart.

FAQ

Frequently Asked Questions.

Pricing varies by scale. Small (API-focused): ¥5M–¥15M, Mid-scale (microservices & data platform): ¥15M–¥35M, Enterprise (integrated platform): ¥35M–¥80M. We provide a detailed quote during your complimentary 60-minute initial consultation.

Get Started

Ready to Build Infrastructure That Powers Your Business?

Your first 60-minute API & Infrastructure consultation is free.

We clarify your current challenges and propose the optimal infrastructure strategy.

* NDA can be signed before the initial consultation.

API & Infrastructure Development | AI × Modern × Integrated | MASSIVE LINKS | MASSIVE LINKS株式会社