Engineering articles on API mocking, test infrastructure, and developer productivity from the Gostly team.
Your agent worked on Tuesday. It failed Wednesday. Your code didn't change. Stripe's sandbox did. The architectural fix isn't a better LLM — it's a deterministic substrate the agent runs against.
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Hand-written fixtures drift. Shared staging environments flake. WireMock and Specmatic force you to write the mocks yourself. Here's what Gostly does differently — and why it matters for teams moving fast.
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A proxy that records API traffic is a proxy that touches credentials, PII, and internal tokens. Here's exactly how Gostly makes sure none of that leaves your machine — and why the architecture makes it structural, not a policy.
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