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Jul 28, 2026 9 min

Why Mock First Before Writing Production API Code

from The Developer Tools Podcast with Fexingo: APIs, Infrastructure, and Software for Engineers Hosted by Fexingo

Most teams design and code their APIs simultaneously, then waste weeks fixing integration mismatches. In this episode, Lucas and Luna explore the mock-first approach: writing an OpenAPI spec, auto-generating a mock server with tools like Prism, and letting frontend and integration teams start wiring up before the backend is ready. A financial services company cut time-to-first integration by over a third using this pattern. If you ship APIs, this workflow saves real calendar time — and real engineering hours. #API #APIDesign #OpenAPI #APIProgrammingMocks #Prism #DeveloperExperience #APIProgrammingFirst #Backend #Frontend #Integration #Testing #ContractTesting #APIProgrammingDevelopment #FexingoBusiness #BusinessPodcast #TechPodcast #DeveloperTools #EngineeringCulture Keep every episode free: buymeacoffee.com/fexingo

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Why Mock First Before Writing Production API Code

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This episode is 9 minutes long.

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This episode was published on July 28, 2026.

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