Vallorex now offers a complimentary AI Readiness Audit for enterprise teams.

API & Integrations

Connect everything. Break nothing.

We design and build headless APIs, third-party integrations, webhook systems, and microservice architectures that make your stack composable, scalable, and maintainable.

Our work emphasizes reliability: clear contracts, idempotency, versioning, observability, and safe rollout patterns so integrations don’t become a source of incidents.

This service is ideal for platforms integrating payments, identity, CRMs, logistics, analytics, or building internal API foundations for multiple teams.

Key Outcomes

  • Stable APIs with clean contracts, versioning, and documentation
  • Reliable event-driven systems with idempotency and replay tooling
  • Third-party integrations that are observable and upgrade-friendly
  • Gateway patterns that handle auth, rate limits, and safety at scale

What's Included

Real, specific deliverables that move you from idea to production with measurable outcomes.

REST API Design & Development

Resource design, auth, pagination, rate limits, and versioning.

GraphQL API Development

Schema design, performance patterns, and resolver discipline.

Third‑Party API Integration

Payments, identity, data providers, and SaaS tools integrated reliably.

Webhook & Event System Design

Idempotency, retries, DLQs, and reprocessing for real-world events.

Microservices Architecture

Service boundaries, contracts, and operational safety patterns.

API Gateway & Rate Limiting

Policy enforcement, auth, throttling, and traffic management.

How We Work

Senior-led delivery with clear milestones, predictable execution, and transparent communication.

1

Integration Mapping

Map dependencies, flows, and operational constraints.

2

API Design

Define contracts, schemas, and versioning strategy.

3

Development

Implement with observability, tests, and safe rollout patterns.

4

Documentation & Testing

OpenAPI/GraphQL docs, contract tests, and runbooks.

Ready to build with API & Integrations?

Connect systems safely with stable contracts, event-driven reliability, and production-grade observability.