NHTSA vPIC Vehicle API
The NHTSA Vehicle Product Information Catalog (vPIC) API provides programmatic access to vehicle make, model, manufacturer, and type data compiled by NHTSA. Key capabilities include VIN decoding (single and batch up to 50 VINs), World Manufacturer Identifier (WMI) lookup, manufacturer details, vehicle variables, plant codes, and Canadian vehicle specifications. No authentication required; responses available in JSON, XML, or CSV.