NHTSA NCAP 5-star crash-test ratings for a vehicle (overall/front/side/rollover) API

Resolves a make/model/year to its NCAP-rated body-style variants and fetches full 5-star crash-test ratings (overall, frontal, side, rollover) plus recall/complaint/investigation counts, with an average-overall-stars roll-up. Answers 'how many stars does this car get?', 'is it safe in a crash?'.

Price$0.01per request

MethodPOST

Route/v1/gov/nhtsa-safety-ratings

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache86400s public

govnhtsancapcrash-testsafety-ratingsvehicleautomotive-safety

API URLhttps://x402.hexl.dev/v1/gov/nhtsa-safety-ratings

Integration docs

Example request

{
  "make": "Honda",
  "model": "Accord",
  "modelYear": 2018
}

Example response

{
  "make": "Honda",
  "model": "Accord",
  "modelYear": "2018",
  "rated": true,
  "variantCount": 1,
  "averageOverallStars": 5,
  "variants": [
    {
      "vehicleDescription": "2018 Honda Accord 4 DR FWD",
      "overallRating": 5,
      "frontCrashRating": 5,
      "sideCrashRating": 5,
      "rolloverRating": 5,
      "rolloverPossibility": 0.093,
      "complaintsCount": 1751,
      "recallsCount": 6,
      "investigationCount": 2
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [
    "make",
    "model",
    "modelYear"
  ],
  "properties": {
    "make": {
      "type": "string"
    },
    "model": {
      "type": "string"
    },
    "modelYear": {
      "type": [
        "string",
        "number"
      ],
      "description": "4-digit year."
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}