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API Development & Integration

We build and integrate REST and GraphQL APIs, handle auth, rate limiting, and documentation so your teams can focus on the experience.

Designing clear, secure APIs that connect your ecosystem.

Discovery-led planning Structured delivery Launch and support
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Service architecture Discovery-led planning

How the engagement is designed

We partner with your stakeholders to design API contracts, choose integration patterns, and deliver robust test coverage. Monitoring, alerting, and versioning help you evolve quickly without breaking downstream consumers.

Designing clear, secure APIs that connect your ecosystem.

API design, schema modelling, and documentation
Integration with third-party services and legacy stacks
Talk through your roadmap
API Development & Integration
Best fit
< 200ms typical

Built for teams that want senior delivery without the delivery chaos

Custom APIs architected for clarity and reliability.

Designing clear, secure APIs that connect your ecosystem.
Payment, CRM, and ERP integrations that just work.
Microservices designed for seamless scalability.
Proof points

The standards we hold the work to

99%+ automated test pass

Integration success rate

< 200ms typical

Latency targets

Fast onboarding with docs

Developer satisfaction

Included in scope

What your team gets from the engagement

We scope the work around real decisions, design outputs, and engineering deliverables your team can use immediately.

  • API design, schema modelling, and documentation
  • Integration with third-party services and legacy stacks
  • Security, rate limiting, and observability setup
  • Developer portals and onboarding guides
Execution sequence

How we move from discovery to release

01

Contract design and schema modelling

We define API contracts, choose REST or GraphQL patterns, and document endpoints before writing code.

02

Build, test, and integrate

Implementation with auth, rate limiting, versioning, and automated test suites for every endpoint.

03

Monitor and evolve

Developer portal setup, alerting, and versioned deprecation so downstream consumers are never surprised.

Project structure 3 structured phases
What's Included

Everything in scope, upfront.

  • Custom APIs architected for clarity and reliability.
  • Payment, CRM, and ERP integrations that just work.
  • Microservices designed for seamless scalability.
  • Robust versioning, documentation, and governance.
  • 30-day post-launch support & optimisation Included
Your Timeline

Live in 6 Weeks

Each API Development & Integration engagement moves through focused milestones so planning, delivery, and launch support stay clear from day one.

  1. API design, schema modelling, and documentation

    Contract design and schema modelling

    We define API contracts, choose REST or GraphQL patterns, and document endpoints before writing code.

  2. Integration with third-party services and legacy stacks

    Build, test, and integrate

    Implementation with auth, rate limiting, versioning, and automated test suites for every endpoint.

  3. Security, rate limiting, and observability setup

    Monitor and evolve

    Developer portal setup, alerting, and versioned deprecation so downstream consumers are never surprised.

Why CN24?

Engineering Excellence

We prioritize performance, security, and scalability in every line of code we write.

Human-Centric Design

Our designs are intuitive, accessible, and crafted to deliver measurable business value.

Strategic Partnership

We align our technical execution with your long-term roadmap and business objectives.

Ready to move

Need this service delivered with the same level of clarity and momentum?

Bring us the roadmap, the bottleneck, or the next release target. We will shape the plan, team, and delivery path around it.

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FAQ

Frequently asked questions

Quick answers about scope, delivery, and long-term support before we plan the first sprint.

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01 What does API Development & Integration include?

We build and integrate REST and GraphQL APIs, handle auth, rate limiting, and documentation so your teams can focus on the experience.

02 How does a API Development & Integration project usually start?

We start with discovery and planning, then move through API design, schema modelling, and documentation, Integration with third-party services and legacy stacks, Security, rate limiting, and observability setup so the scope, timeline, and launch path are clear.

03 Can Cloud Number 24 support api development & integration after launch?

Yes. We can provide release support, monitoring, maintenance, performance improvements, and roadmap iteration after the first launch.

Related case studies

Proof from similar work

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