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Development

API Development

Documented, versioned APIs with authorisation enforced on every object and every operation.

Overview

APIs fail differently from web interfaces. The common causes of loss are not injection flaws but authorisation gaps: an endpoint that trusts an identifier from the client, a role check applied at the route but not at the record, or an internal operation left reachable.

We design and build APIs where authorisation is enforced at the object level, schemas are validated on the way in and out, rate limits protect shared resources, and errors are predictable and free of internal detail. Documentation is generated from the implementation so it stays accurate.

Methodology

How the engagement runs from start to finish.

  1. Contract-first design agreed with consuming teams
  2. Authentication and object-level authorisation modelling
  3. Schema validation for requests and responses
  4. Rate limiting and abuse controls
  5. Automated contract and authorisation tests
  6. Published, versioned API documentation

Ready to find the weaknesses first?

Tell us what you are building or what you need tested. We will come back with a scope, a timeline and a clear price, with no obligation.