Design APIs Other Developers Love to Use
API Engineering: leave with an OpenAPI contract, idempotency keys, pagination and a backward-compatible version change.
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- Bring your own work — code, campaign, report or plan
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What this session would cover
Proposed outline — the mentor finalises the agenda once this topic is scheduled.
- 1Why api engineering matters — the common problem: Retries create duplicate orders and API changes break existing clients.
- 2Core concepts in plain language: REST, GraphQL, remote procedure calls, gRPC, API contracts, OpenAPI
- 3Going further: versioning, pagination, filtering, authentication, authorization, rate limiting
- 4Framework walkthrough: OpenAPI Contracts, Twelve-Factor App, OAuth 2.0 / OpenID Connect
- 5Practical workflow, built live: An OpenAPI contract, idempotency keys, pagination and a backward-compatible version change.
- 6How to measure it: Error rate, p95 latency, Contract-test pass rate, Duplicate-processing incidents
- 7An illustrative case (a fictional example, not a client result), then live Q&A on your own situation
Who it's for
- • Students and freshers entering tech
- • Working developers and engineers
- • Tech leads and architects
You'd leave with
- An OpenAPI contract, idempotency keys, pagination and a backward-compatible version change.
- A working understanding of OpenAPI Contracts and Twelve-Factor App
- A short list of measures to track: Error rate, p95 latency, Contract-test pass rate
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