Developer Proposes Strategy to Prevent API Overload When Querying NHTSA Vehicle Data

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A developer has detailed a technical strategy to prevent overloading the U.S. NHTSA's free public vehicle API, known as vPIC. This issue arises when multiple applications simultaneously retry failed requests in a synchronized manner, worsening outages. The proposed solution includes a TypeScript helper with exponential backoff, jitter to randomize retry timing, and request deduplication. These techniques aim to distribute load and prevent coordinated retry attempts that can overwhelm the API. The guidelines specify which types of HTTP errors should trigger a retry and which should not, to avoid wasting API quota.

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