Local-first API testing workflow stores collections as versioned JSON files

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A developer and creator of API testing tool RestRuno has outlined a cloud-free workflow for testing APIs, where request collections are stored as plain JSON files and version-controlled with Git. The approach eliminates the need for cloud accounts or synced workspaces, which can pose compliance concerns for some teams. Each request is saved as a small JSON file, with environments and variables also managed locally, while JavaScript handles authentication chaining and assertions. Data-driven testing is supported by feeding CSV or JSON files into a runner that maps columns to variables. The author notes that similar tools like Bruno follow the same local-first philosophy, and argues that API test suites belong in the same repository as the code they test.

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