Every API, one clean contract.

decode a VIN → make/model/year/trim/engine/specs (vPIC)

{
  "vin": "1HGCM82633A004352"
}

decode up to 50 VINs in one call (vPIC batch)

{
  "vins": "1HGCM82633A004352,2003;5UXWX7C5*BA,2011"
}

safety recalls by make+model+modelYear, or by campaignNumber

{
  "make": "acura",
  "model": "rdx",
  "modelYear": "2012"
}

NCAP star ratings + crash-test media; by vehicleId, or year+make+model (auto-resolves variants), or drill-down

{
  "vehicleId": "7523"
}

consumer complaints by make+model+modelYear

{
  "make": "acura",
  "model": "rdx",
  "modelYear": "2012"
}

models for a make (optionally a modelYear / vehicleType)

{
  "make": "honda"
}

all makes, or makes for a vehicleType (car/truck/mpv/motorcycle/...)

{
  "vehicleType": "car"
}

all manufacturers (paged) or details for one

decode a 3-char WMI to its manufacturer

{
  "wmi": "1HG"
}

all WMIs registered to a manufacturer

vehicle types produced by a make

{
  "make": "honda"
}

recall/complaint enumeration tree (modelYears → makes → models; issueType=r|c)

{
  "issueType": "r",
  "modelYear": "2012"
}

equipment (tire) plant codes for a year