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API Integration

REST, GraphQL, whatever the other side speaks.

Type-safe APIs, schema-first contracts, and backends that outlive three frontend rewrites. REST when it fits, GraphQL when it shines.

APIs are the quiet part of every product. Get them right and everything downstream feels easy. Get them wrong and you spend the next two years apologising to frontend teams.

We design, build, and maintain both REST and GraphQL APIs. No dogma. The right tool is the one that saves your team time six months from now.

Four ways we ship this

01

REST APIs

OpenAPI-first, versioned, cached, rate-limited. Ready for mobile, server-to-server, and the long tail of integrations.

02

GraphQL APIs

Schema-first with Apollo or Yoga. Dataloader batching, persisted queries, subscriptions, federation when it pays off.

03

SDKs & Clients

Auto-generated TypeScript, Swift, and Kotlin clients. Your frontend teams type less and ship faster.

04

Third-party Glue

Stripe, Xero, HubSpot, Salesforce, Shopify. Webhook listeners, idempotency, retry logic, the boring parts done right.

Two dialects, one fluent team

We speak both. Here is when each one earns its seat at the table.

REST

Resource-first.

The architectural style that quietly runs the internet.

  • Predictable. Every URL is a noun, every verb is HTTP. Cache-friendly and proxy-friendly.
  • OpenAPI-first. One spec file powers docs, mock servers, SDKs, and end-to-end tests.
  • Built for scale. Versioning, rate limiting, pagination, and cursor-based cursors.
  • Every client speaks it. From curl to mobile to a Zapier webhook.
OpenAPI 3.1 NestJS Zod HTTP/2
GraphQL

Query-first.

The query language for APIs that refuse to over-fetch.

  • Ask for what you need. One round trip, exactly the fields the UI uses, zero over-fetch.
  • Schema-first. The type system is the contract. TypeScript on both ends, auto-derived.
  • Real-time ready. Subscriptions over WebSocket for dashboards and live feeds.
  • Federation when it pays. Multiple teams, one supergraph, no monolith rewrite required.
Apollo GraphQL Yoga Dataloader Federation
How we decide

Not every API needs a GraphQL gateway. Not every client needs REST.

Pick REST when

Third-party integrations, webhooks, public SDKs, or anything that benefits from HTTP caching.

Pick GraphQL when

You have a product UI with nested data, multiple clients on different release cadences, or federation ambitions.

Run both when

You are migrating. GraphQL on top of REST is a common 12-month bridge. We have done it more than once.

From kickoff to running in production

  1. 01

    Contract

    OpenAPI spec or GraphQL schema before a single line of server code.

  2. 02

    Mock

    Frontend builds against fixtures while the backend catches up.

  3. 03

    Implement

    NestJS, Express, or Fastify with full test coverage and eval.

  4. 04

    Observe

    Request tracing, error rates, latency budgets. All wired to the same dashboard.

Tools we ship with

NestJSExpressApollo ServerGraphQL YogaTypeScriptOpenAPIZodPrismaPostgreSQLRedis
<100ms p50 response
100% Type-safe end-to-end
0 Breaking versions in prod

Let’s build the next useful thing.

Build what your business needs next.

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