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APIs engineered as products, with the reliability your integrators assume.

Versioned, documented, high-throughput APIs teams build on.

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The problem

An API is a contract you cannot easily change once others depend on it. A breaking change, a quietly inconsistent response shape, missing rate limits, or documentation that drifts from reality does more than frustrate developers. It breaks their production systems and erodes trust in yours.

The hard parts of API engineering are the invisible ones: versioning that lets you evolve without breaking integrators, auth and rate limiting that hold under abuse, idempotency that survives retries, and documentation that is true because it is generated from the same source as the code.

Our approach

We design APIs contract-first, with an explicit versioning strategy and backward-compatibility guarantees from day one. Auth, rate limiting, idempotency, and pagination are designed in, not retrofitted. Documentation is generated from the schema so it cannot drift, and the whole surface is covered by contract tests.

We build for throughput and observability, with caching where it helps, async where it belongs and metrics on every endpoint, so your API stays fast and debuggable as adoption grows.

Scope of engagement

We build production APIs and the platforms behind them: REST, GraphQL, and gRPC services with versioning, authentication and authorization, rate limiting, idempotency, pagination, webhooks, and generated documentation. We also build the data and infrastructure layer underneath so the API is fast, reliable, and ready for third-party integrators at scale.

Technology

The stack we build on

Proven tools, chosen for security, performance and long-term maintainability rather than novelty.

Laravel Node.js Go GraphQL gRPC OpenAPI PostgreSQL Redis
Methodology

How we deliver

A disciplined, transparent sequence from first conversation to a monitored production system.

  1. 01

    Contract-first design

    We design the schema, versioning, and error model before implementation.

  2. 01

    Implementation

    Endpoints built against contract tests, with auth and rate limiting from the start.

  3. 01

    Reliability features

    Idempotency, pagination, webhooks, and graceful degradation.

  4. 01

    Docs & SDKs

    Schema-generated documentation and typed client SDKs for integrators.

  5. 01

    Launch & monitoring

    Per-endpoint metrics, alerting, and a clean versioned-deprecation path.

Proof

Where we have shipped this

Selected engagements that put this capability into production.

All case studies
Crypto Exchanges
Meridian Exchange

Rebuilding a Spot & Derivatives Matching Engine for 1.2M Trades a Day

A Tier-2 centralised exchange was capped by a legacy matching core that buckled under listing events. We rebuilt the order-execution path in...

38ms p99 match latency
Trading Firms
Cobalt Trading

An AI Execution Agent That Cut Slippage 31% Across Venues

A quantitative trading firm wanted to automate large-order execution across fragmented crypto venues. We built an AI execution agent that ad...

-31% Realised slippage reduction
FAQ

Common questions

Still unsure? A senior engineer will answer the specifics on a short scoping call.

Ask us directly

We design for backward compatibility by default, version at the URL or header level for genuinely breaking changes, and maintain old versions through a clearly communicated deprecation window. Integrators are never surprised by a breaking change in production.

Yes. We generate typed SDKs from the API schema for the languages your integrators use, so the clients stay in lockstep with the API and developers get autocomplete, validation, and correct types out of the box.
Request a quote

Scope your api development engagement

Tell us what you are building. We will respond with a senior engineer's assessment, a realistic timeline, and a fixed-scope proposal — typically within two business days.

  • A direct line to the engineers who will deliver
  • No obligation, no sales pressure, no junior hand-off
  • Strict confidentiality — NDA available on request

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