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APIs Other Developers Can Actually Integrate With

Specification-first design, generated documentation and proper versioning — contracts that hold up as your product changes.

An API is a contract, and its quality decides how much support it costs you.

Watch: what separates a good API from a painful oneWatch: what separates a good API from a painful one

Specification-first design with docs that cannot drift out of date.

OpenAPI or GraphQL schema agreed before code
Interactive docs generated from the specification
Backward-compatible versioning with deprecation windows
Token auth, scopes and per-client rate limits
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Trusted by specialists all around the world

Prosper Home Loans
Our Care Hospice
Hospice of Gentle Care
Aussie Logo Designer
Melbourne Pro Homes
Nermine George
Pro Soccer Australia
IM Studioz
Birdwood Horse Works
Web Builder LTD
Dhaka Jeans
About This Service

APIs other developers can integrate without asking you

We design APIs specification-first and generate the documentation from that specification, so it cannot drift out of date. Proper versioning means existing integrations do not break when you ship changes. Whether it is an internal service boundary or a public product surface, another developer should be able to integrate successfully without contacting you.
Spec-first
Design approach
Always-current
Generated docs
See Our Work
APIs other developers can integrate without asking you
APIs built as contracts that hold
Why Choose Chambrix

APIs built as contracts that hold

A good contract keeps consumers productive and your support inbox quiet.

Specification-First Design

OpenAPI or GraphQL schema agreed before implementation, so consumers can build in parallel.

Docs That Cannot Drift

Interactive documentation generated directly from the specification, so it is always accurate.

Proper Versioning

Backward-compatible evolution with clear deprecation windows, so integrations do not break unannounced.

What a well-built API returns

Lower support load, parallel teams and a surface partners can build on.
Lower Support Burden
Good documentation and predictable errors mean far fewer integration questions reach your team.
Parallel Development
An agreed contract lets frontend, mobile and partner teams build simultaneously against a mock.
Safe Evolution
Versioning means you can ship improvements without breaking every existing consumer.
New Revenue Surface
A well-built public API turns your product into something partners can build businesses on.
Outstanding Customer
Service Recognition
5-Star Service recognition
Verified Business recognition
Trusted Partner recognition
On-Time Delivery recognition
100% Satisfaction recognition
Mathew's workmanship was excellent. His design and layout advice was invaluable.
Mark StackHome Owner · Melbourne Pro Homes
He is incredibly knowledgeable and his attention to detail and service is top-notch — always fast, friendly and helpful.
NeilClient · Prosper Home Loans
Working with Nermine has been a wonderful experience — each session has led to meaningful and lasting positive changes in both my professional and personal life.
Karina CurleyCoaching Client · Nermine George
I didn't just get photos — I received a transformation.
Sofia M.Salon Client · Avalon Head Spa & Salon
Mark Stack
Neil
Karina Curley
Sofia M.
Ade O.
Lisa
Alana H.
Antonio Moreno
Vivek
Emma Rose
Kem K.
Helen
Why we do

Case studies

Case studies that showcase the agency's approach, process, and results for specific clients.
A Ceremonial Brand Experience for a Head Spa
Avalon Head Spa & SalonA Ceremonial Brand Experience for a Head Spa

How Chambrix built a calm, ceremonial website for a Glastonbury head spa and salon — ritual-led pages and clear booking that reflect the in-salon experience.

Learn more
Turning a Broad Lending Panel Into Clear Choices
Prosper Home & Investment LoansTurning a Broad Lending Panel Into Clear Choices

How Chambrix turned a broad mortgage-broking panel into clear, per-loan-type pages with simple enquiry paths for an Australian finance firm.

Learn more
Selling Fixed-Price Renovations on Trust
Melbourne Pro HomesSelling Fixed-Price Renovations on Trust

How Chambrix built a trust-led website for a Melbourne renovation builder, leading with fixed-price certainty and a real-project portfolio.

Learn more
A Reassuring Front Door for Home Care
CareKindlyA Reassuring Front Door for Home Care

How Chambrix built a warm, reassuring website for a UK home-care provider — plain-language services and low-friction enquiries for anxious families.

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A Personal Brand That Turns Reviews Into Clients
Nermine GeorgeA Personal Brand That Turns Reviews Into Clients

How Chambrix built a personal-brand website for a life and parenting coach — clear programmes, pricing tiers and a five-star review profile that converts.

Learn more
A Conversion-Focused Site for a Web Agency
Web Builder LTDA Conversion-Focused Site for a Web Agency

How Chambrix built a conversion-focused website for a London web agency — clear services, a real project portfolio and SEO-friendly foundations.

Learn more
Pricing

Web Development Packages

Fixed-scope websites with everything you need to launch and grow.

API Development —€1,000starting from
Starter
€499
one-time
1–3 page website
Mobile responsive
Contact form + WhatsApp
Basic on-page SEO
2 revisions
Most Popular
Business
€1,199
one-time
Up to 8 pages
CMS you can edit
Speed + SEO optimised
Lead forms + analytics
5 revisions
30 days support
Custom
€2,999
one-time
Custom design & build
Unlimited pages
Integrations & APIs
Advanced SEO setup
Priority support
90 days support

API Development — Questions

Straight answers to what clients ask most

REST or GraphQL?
REST suits stable resources with predictable access patterns and caches well. GraphQL suits varied clients that each need different data shapes. We pick based on your consumers, not on preference.
How do you handle breaking changes?
Versioned endpoints with a published deprecation timeline, usage monitoring to see who is still on the old version, and direct notice before anything is removed.
Can you document an existing API?
Yes. We reverse-engineer a specification from the current implementation, flag inconsistencies we find, and generate documentation from that.
What about API security?
Token authentication with granular scopes, rate limiting per client, input validation on every field, and audit logging on sensitive operations.

Industries We Deliver This For

HealthcareFinance & Financial ServicesManufacturingLogistics & FreightAutomotiveRetail & Multi-Channel
Contact us

Free consultation - discover IT solutions for your business

Unlock the full potential of your business with our free consultation. Our expert team will assess your IT needs, recommend tailored solutions, and chart a path to success. Book your consultation now and take the first step towards empowering your business with cutting-edge technology.

Confirmation of appointment details
Research and preparation by the IT services company
Consultation to discuss technology solutions
Needs assessment for tailored solutions
Presentation of proposed solutions
Project execution and ongoing support
Follow-up to evaluate effectiveness and satisfaction
support@chambrix.com
Remote-first — serving clients worldwide
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