Service

API & Integrations

Connect everything — seamless system unification

Overview

Modern businesses run on connected systems. We design and build APIs that are fast, secure, and maintainable. REST, GraphQL, microservices, event-driven architecture — whatever pattern fits your needs. Plus third-party integrations with any service that has an API.

Benefits

RESTful and GraphQL API design
Microservices architecture patterns
Event-driven with webhooks and message queues
Third-party SaaS integration (Stripe, Twilio, etc.)
API versioning and backward compatibility
Comprehensive API documentation with OpenAPI/Swagger

How it runs

How we deliver.

01Map SystemsIdentify all systems that need to communicate and define data flows.
02API DesignOpenAPI specification, authentication strategy, rate limiting, and error handling.
03BuildAPI development with automated testing, documentation generation, and versioning.
04IntegrateConnect third-party services, build webhooks, and implement retry logic.
05MonitorAPI analytics, uptime monitoring, and performance optimization.

Stack

API Frameworks

Express.jsFastAPINestJSGraphQLtRPCgRPC

Integration

StripeTwilioSendGridSlackZapierSalesforce

Infrastructure

RedisRabbitMQApache KafkaAWS SQSAzure Service BusWebSockets

Results

99.99% uptime

Payment Platform API

RESTful API handling £2M+ daily transactions with Stripe integration, webhook processing, and idempotency.

Real-time sync

CRM Integration Hub

Unified API connecting Salesforce, HubSpot, and custom CRM with bi-directional sync and conflict resolution.

80K+ files/day

IoT Data Gateway

Event-driven API processing 80K+ JSON files daily from IoT devices with schema validation and routing.

Questions

Asked often.

REST for most standard CRUD APIs — it's simpler and widely understood. GraphQL when you have complex data relationships and clients that need flexible queries. We often use both in the same project.

Ready for API & Integrations?

We reply within a day.

info@codes-ai.uk