Resilient APIs & Unified System Integrations
We design and build secure, high-throughput REST and GraphQL APIs and webhook event pipelines that connect disparate databases, legacy ERPs, and modern third-party SaaS tools into a cohesive digital ecosystem.
What We Build
Custom-engineered digital solutions tailored to high-scale production requirements and complex enterprise workflows.
- Custom RESTful & GraphQL Microservice APIs
- Third-Party SaaS Integrations (Stripe, HubSpot, Salesforce, ERP)
- Event-Driven Webhook Brokers & Dead-Letter Queues
- API Gateways with Rate Limiting & Token Authentication
- Legacy Database to Modern API Migration Bridges
Key Capabilities & Standards
Rigorous engineering benchmarks, strict concurrency validation, and automated compliance pipelines integrated into every release.
- Strict OpenAPI / Swagger Contract Documentation
- OAuth 2.0, JWT & Scoped API Key Authentication
- High-Throughput Rate Limiting & Redis In-Memory Caching
- Idempotent Request Handling & Exponential Backoff Retries
- Real-Time Telemetry & Request Payload Logging
Our API Development & System Integration Services
A structured, milestone-driven delivery framework ensuring predictable velocity, code quality, and verifiable production outcomes.
Contract Definition
Specify endpoint paths, query parameters, and JSON schemas.
Phase Deliverables Matrix
- OpenAPI SpecificationVerified
- Swagger DocsVerified
Our Development Approach
Contract First API Design
Define OpenAPI specifications, request schemas, and response types before implementation.
Secure Service Implementation
Build endpoints with input sanitization, database connection pooling, and token validation.
Idempotency & Queue Resilience
Implement deduplication tokens, rate limiters, and dead-letter retry queues.
Automated Integration Testing
Run contract tests to guarantee zero breaking changes across system updates.
Real-World Use Cases & Outcomes
Financial Payment & Ledger Integration API
Unified 3 international banking gateways and Stripe into a single resilient payment API.
Processed $15M+ in transaction volume with 99.999% uptime and zero dropped webhooks.
ERP & Inventory Synchronization Bridge
Connected on-premise SAP database with modern Next.js customer ordering portal.
Real-time stock level synchronization reduced stockout backorders by 90%.
Frequently Asked Questions
How do you prevent duplicate API charges or actions when webhooks retry?
We enforce idempotency keys on all mutating operations. If an upstream provider retries a webhook, our system checks the key and returns the cached result without repeating the transaction.
Do you provide interactive API documentation for our external partners?
Yes. Every API we build includes interactive Swagger / OpenAPI documentation with live testing capabilities.
Connected System Engineering
Disconnected software silos slow down business operations. We build robust, self-healing APIs and integration pipelines that allow your systems to communicate effortlessly.
Technology Stack
Why AIVON
- Contract first: We prevent breaking changes between frontend and backend teams.
- Sub-50ms latency: Optimized queries and in-memory Redis caching.
- Defensive security: Strict token validation, rate limiting, and parameter sanitization.
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