Description
What this service covers
Apps rarely fail because a server is offline; more often a field has silently become optional or null. Contract testing is designed to catch exactly that. Our suite validates every response against its schema, checks status codes and error formats, and tests the authorisation rules that keep one customer out of another’s data. It runs on every pull request, so a breaking change shows up as a failed build rather than a complaint from a partner. Coverage extends to up to 40 endpoints, with negative cases and schema snapshots included.
What you receive
- Schema-validated contract tests for up to 40 endpoints
- Checks on status codes, error formats and headers for every endpoint
- Authorisation tests confirming role limits and per-record access control
- Negative tests for malformed requests and missing fields
- Pipeline integration that reports exactly which contract failed
- Stored schema snapshots so accidental changes show up in a diff
- Guidance on adding tests when new endpoints are introduced
The work in 4 stages
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01
Stage 1: Map the endpoints
We list every endpoint and record how each currently responds.
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Stage 2: Agree the contracts
Your engineers confirm intended behaviour and we highlight any gaps.
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Stage 3: Write the checks
Each endpoint gets tests, with bad-input and access-control cases alongside the normal ones.
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Stage 4: Wire into the build
The suite joins your pipeline and we prove it works with an intentional break.
Who it suits, and what we need from you
Ideal for
- Teams whose shipped mobile app struggles to keep up with server changes
- Products with an interface used by external partners
- Back-end code nobody dares restructure because the impact is unknown
What we need from you
- Access to the interface plus credentials for every user role
- An API specification in machine-readable form if you have one, though we can work without it
- An engineer who can decide intended behaviour when it is unclear
You share these through the brief on your order page after checkout.
What changes for your team
- Breaking changes fail in the pipeline instead of on a user’s phone
- Restructuring code becomes safer with contracts enforced
- Your released mobile app keeps working when the server changes
Questions about this service
How is this different from unit tests?
We have no API specification. Is that a problem?
Can you cover a graph-style query API?
This is a remote service: nothing is shipped physically, and the work is delivered into systems you control. See delivery and handover and refunds and cancellation for the full terms.
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