Free VIN Decoder API that actually works? (Tested Vincario + VPIC)
Been testing a bunch of VIN decoder APIs lately for a side project, and I’m kinda surprised how inconsistent some of them are. One API will return full trim + engine + transmission data, then another one barely recognizes the same VIN at all.
So far, I’ve mostly compared VPIC and Vincario because they seem to come up the most when people ask for VIN decoding options. VPIC is nice because it’s free and easy to test quickly, but I noticed some missing/incomplete fields once I started trying imports and non-US vehicles. Meanwhile, I’ve been using Vincario to compare results and see how different providers handle the same VINs across regions.
Curious what other developers here are using, though. Are there any free VIN APIs that actually stay reliable once you move beyond super basic US vehicle decoding?