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Developers Discuss Caching NHTSA VIN Decode Lookups

Original: A free VIN decode that always waits for live NHTSA DecodeVinValues on every repeat paste feels slow... # typescript # ap

Developers are weighing how to speed up a free VIN decoding service that calls the NHTSA DecodeVinValues API live on every repeated paste of a vehicle identification number. The proposed fix is a stale-while-revalidate cache, so repeat lookups return instantly from stored results while fresh data is refreshed in the background. The NHTSA's public decoder is free but can be slow, making caching an attractive option for web apps.

Why now: The NHTSA VIN API is free but slow enough that repeated live calls frustrate users, prompting discussion of caching strategies.

NHTSADecodeVinValues API

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