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APIs & Integrations

APIs that connect everything you run

API development services for REST, GraphQL and event-driven microservices: documented, secured and built to scale one service at a time.

The difference

Monoliths fail together. Services fail safely.

Typical monolithic API

All-or-nothing deploys
Payments are slow today.
One bug took the whole platform down.
Can we ship the fix now?
Next release window is Thursday.
Outage risk
Inside a single request
0ms
Gateway8ms
Authorise6ms
Service22ms
Respond8ms
Illustrative latency budget for one API request
01 · Gateway

One secure front door

A gateway routes every request, applies rate limits and shields internal services from the internet.

POST /v1/orders
02 · Authorise

Verified in milliseconds

Stateless token checks and scoped permissions, with no database round trip.

scope: orders:write ✓
03 · Service

The right service does the work

Each domain runs independently, owns its data and emits events other services subscribe to.

order.created → inventory, email
04 · Respond

Only the data you asked for

REST or GraphQL responses shaped for the client, compressed and cached where safe.

201 Created · 44ms
Benchmark

Responses in milliseconds

Gen7Ven APIindexed queries, edge caching
<100ms
Typical REST monolithover-fetching, N+1 queries
300–800ms
Chained legacy integrationssynchronous calls in series
1–3s
Use cases

APIs for every system

Mobile backends

Lean GraphQL payloads for apps on slow networks.

Legacy modernisation

Wrap older systems in modern APIs, step by step.

Real-time data

Live prices and statuses streamed over WebSockets.

Partner integrations

Documented, versioned APIs partners can rely on.

Built in

Engineered for change

API gateway

Rate limiting, authentication and routing at one entry point.

OpenAPI documentation

Interactive docs and client SDKs generated from the spec.

Event-driven design

Services communicate through queues, not fragile direct calls.

Observability

Tracing, metrics and alerts on every service.

In depth

API development services built for change

APIs are how your website, apps, partners and internal systems share data. Well-designed APIs let each part of the business move independently; poorly designed ones turn every change into a coordinated release. Our API development services focus on clear contracts, strong security and an architecture that scales with demand.

REST API development or GraphQL?

We use both, chosen by consumer. REST API development suits public and partner APIs: simple, cacheable and familiar to every developer. GraphQL suits apps and front ends that need nested data, such as a customer with recent orders and shipping addresses, in a single request instead of several round trips. That reduces payload size and latency on mobile networks. For high-volume traffic between internal services we often use gRPC, which exchanges compact binary messages and is considerably faster than JSON over HTTP.

When microservices architecture is worth it

Microservices architecture splits a system into independently deployable services, each owning one business domain and its data. The benefits are real: failures stay contained, busy services scale on their own and teams release without waiting for each other. The costs are real too, in operational complexity and distributed data. For many growing businesses a well-structured modular monolith is the right first step, with services extracted only where scale or team boundaries justify it. We recommend whichever genuinely fits your stage.

Security, versioning and documentation

Every API sits behind a gateway that handles authentication, rate limiting and request routing, so internal services are never exposed directly. Tokens carry scoped permissions, secrets are rotated automatically and all traffic is encrypted. Contracts are defined in OpenAPI or GraphQL schemas, from which we generate interactive documentation and client SDKs. Versioning rules keep existing integrations working when new features ship, so partners and mobile apps that update slowly are never broken without warning.

Migrating from a monolith safely

Rewriting a large system in one go is risky and slow. We use the strangler fig pattern instead: a gateway is placed in front of the existing application, and functionality is moved into new services one domain at a time while traffic is routed transparently. Each step is small, tested and reversible. Distributed transactions are coordinated with the saga pattern, and full observability means the team can see the effect of every change on latency, errors and throughput.

Plugs into

Built on proven infrastructure

Node.jsGoGraphQLPostgreSQLRedisApache KafkaDockerKubernetesSwaggerDatadog
FAQ

APIs & Integrations: common questions

Why choose GraphQL over REST?

GraphQL is ideal when client applications need complex, nested data. Instead of several REST calls to fetch a user, their recent orders and shipping addresses, the app requests exactly what it needs in one query. That reduces network round trips and payload size, which matters most on mobile networks. For simple or public APIs, REST is often the better choice.

Are microservices overkill for my business?

Sometimes, yes. Microservices add operational complexity that only pays off at a certain scale or team size. Many businesses are better served by a modular monolith with clean internal boundaries, which can later be split into services where needed. Our API development services start with an architecture review so the recommendation matches your current stage.

How do you manage data consistency across microservices?

Each service owns its own data, so we avoid distributed database locks. Business processes that span services, such as placing an order and reserving stock, are coordinated with the saga pattern: each step publishes an event, and compensating actions reverse earlier steps if a later one fails. Idempotent handlers ensure retries never create duplicates.

What is gRPC and when do you use it?

gRPC is a high-performance remote procedure call framework originally developed by Google. It serialises data into compact binary messages using Protocol Buffers, making it considerably faster than JSON over HTTP. We use REST or GraphQL for client-to-server communication and gRPC for high-volume server-to-server communication between internal microservices.

How do you keep our APIs secure?

All traffic passes through a gateway that enforces authentication, scoped permissions and rate limits. Data is encrypted in transit and at rest, secrets are stored in a managed vault and rotated, and dependencies are scanned automatically. Logs and alerts flag unusual patterns quickly, following SOC2-ready and GDPR-compliant engineering practices.

APIs & Integrations

Ready to connect your systems?

Share your current architecture and we will map a safe path forward.