Multi-Tenant SaaS Applications
& Developer API Platforms.
Bhatiserve architects enterprise-grade B2B SaaS platforms featuring isolated multi-tenant databases, custom subdomain routing, metered billing engines, and documented OpenAPI developer ecosystems.
9 Core SaaS & API Engineering Modules
Architected for frictionless user onboarding, automated tier upgrades, and enterprise-grade multi-tenancy.
Multi-Tenant Data Architecture
Secure database isolation per tenant (schema-based or separate database instances) ensuring complete privacy, zero cross-tenant leakage, and compliance.
- PostgreSQL Row-Level Security (RLS)
- Schema-Per-Tenant or Database-Per-Tenant
- Custom Subdomain & CNAME Routing
Subscription Billing & Metering
Flexible subscription models including tiered plans, usage-based consumption metering, automated prorated upgrades, and smart dunning retry cycles.
- Usage-Based API Call Metering
- Automated Proration on Tier Upgrades
- Stripe / Razorpay Auto-Debit Mandates
Developer API Portal & Docs
Branded developer documentation portal with interactive OpenAPI 3.0 / Swagger test consoles, copy-paste code snippets in 5 languages, and SDK generators.
- Interactive API Sandbox & Testing
- Code Snippets (Node, Python, PHP, cURL)
- Instant Sandbox Mock Responses
API Keys, JWT & OAuth 2.0
Granular API key generation with scoping permissions, rolling secret keys, short-lived JWT access tokens, and enterprise SAML / SSO integration.
- Granular Scope-Based API Keys
- JWT Claims & Refresh Token Cycles
- Enterprise SAML / Okta SSO Hooks
Rate Limiting & Caching
Redis-powered token bucket rate limiting to prevent API abuse, protect backend servers, and deliver sub-90ms response speeds on cached endpoints.
- Tier-Based Token Bucket Rate Limits
- Distributed Redis Memory Cache
- Standard 429 Retry-After Headers
Webhook Dispatch Engine
Guaranteed idempotent webhook delivery engine with exponential retry backoff, customer endpoint health monitoring, and HMAC-SHA256 payload signing.
- HMAC-SHA256 Cryptographic Signatures
- Exponential Retry (5 Backoff Cycles)
- Customer Webhook Debug Logs UI
Immutable Audit Trails
Complete immutable activity logs capturing every API call, user authentication, permission change, and export event for SOC 2 and ISO compliance.
- Request / Response Payload Snapshots
- User IP & Geolocation Tagging
- Searchable Audit Explorer UI
Workspaces & Member RBAC
Multi-member organization workspaces with granular role assignment (Owner, Admin, Developer, Billing, Read-Only) and invitation magic links.
- Organization & Workspace Hierarchy
- Email Invitation & Role Assignments
- Activity History per Team Member
Tenant Telemetry & Metrics
Real-time tenant usage dashboards displaying active API calls, latency distribution, monthly recurring revenue (MRR), and churn analytics.
- Real-Time MRR & Churn Calculations
- Endpoint Latency & Error Rate Charts
- Automated Billing Threshold Alerts
Ready to Architect Your B2B SaaS Platform?
Discuss your multi-tenant SaaS architecture, developer API portal, or subscription billing requirements with our senior software architects today.