Enterprise API Development
We design, build, and govern API platforms that connect enterprise systems, enable third-party integrations, and power the partner ecosystems that distinguish market leaders from their competitors. Our API practice brings product thinking to technical infrastructure — treating your API as a business asset with its own versioning strategy, developer experience, and commercial model. Whether you are exposing internal capabilities as a revenue-generating product or modernising a legacy integration layer, we deliver APIs that are secure, observable, and built to evolve.
99.95% API availability · <50ms P99 latency
API-first design
Try it before you build it.
Authorization: Bearer eyJhbG...Accept: application/jsonX-API-Version: 2024-01limit=25sort=created_at:descinclude=profile,permissions{ "data": [ { "id": "usr_01H8...", "email": "j.chen@acme.co", "role": "admin" } ], "meta": { "total": 1847 }}import { Claritas } from '@claritas/sdk'const client = new Claritas({ apiKey: process.env.KEY})const users = await client.users.list({ limit: 25, sort: 'created_at:desc' })Architecture
Four layers. Complete control.
API Gateway
Rate limiting, auth, routing, and load balancing
Service Mesh
Service discovery, circuit breaking, and observability
Business Logic
Domain services, event handlers, and workflow orchestration
Developer Portal
Interactive docs, sandbox, and code samples in 5 languages
Engagement model
Designed, documented, delivered.
API Product Strategy & Design
We facilitate an API design workshop with your engineering, product, and partnership stakeholders to define the API's consumer personas, use cases, and commercial model. OpenAPI specifications are authored as the single source of truth before implementation begins.
Security Architecture & Access Control
Authentication and authorisation strategies — OAuth 2.0 with PKCE, mTLS, API key management, and JWT validation — are designed with your security team. Data classification governs which fields are exposed to which consumer tiers, with field-level encryption applied to sensitive attributes.
Implementation & Integration
API endpoints are implemented against the agreed OpenAPI specification with automated contract testing to prevent regression. Integration with your identity provider, rate limiting infrastructure, and API gateway (Kong, AWS API Gateway, Apigee) is completed as part of the core build.
Developer Experience & Documentation
A branded developer portal with interactive API reference, code samples in five languages, authentication guides, and a sandbox environment is delivered alongside the API. Developer experience is treated as a first-class product requirement, not an afterthought.
Observability & Governance
Every API is instrumented with per-consumer usage metrics, latency histograms, error rate tracking, and anomaly detection. API lifecycle governance — deprecation notices, migration guides, and sunset policies — is documented and automated.
Perspective
APIs are the connective tissue of the modern enterprise.
APIs are the connective tissue of the modern enterprise — and their quality directly determines how quickly your organisation can integrate acquisitions, onboard partners, and respond to market opportunities. A poorly designed API that requires breaking changes, lacks comprehensive documentation, or fails under load is a tax on every team that depends on it. Claritas API engineers apply OpenAPI-first design methodology, ensuring your API contract is defined, validated, and published before implementation begins. This discipline reduces integration errors, accelerates partner onboarding, and creates the audit trail that your information security and legal teams require for third-party access governance.
Core capabilities
OpenAPI-first design methodology with machine-validated contract testing
RESTful API development: resource modelling, HATEOAS, and versioning strategy
GraphQL schema design, federation, and persisted query implementation
API gateway configuration: Kong, AWS API Gateway, Apigee, and Azure APIM
OAuth 2.0, mTLS, JWT, and API key management at enterprise scale
Rate limiting, throttling, quota management, and consumer tier enforcement
Branded developer portal with interactive documentation and sandbox
API analytics: per-consumer metering, SLO tracking, and anomaly alerting
An API platform is your most scalable distribution channel.
Engage our API practice to design and deliver an integration platform that accelerates partner onboarding, enables new revenue streams, and governs third-party access with enterprise-grade security.