FuelEconomy API alternatives
US EPA fuel economy data by year, make and model. If it doesn't fit your project, here are the 10 best free Vehicle APIs to use instead in 2026, out of 19 in the directory.
For reference, FuelEconomy API: No API key needed · 100% uptime (30 days) · HTTPS.
- 1

BoltPatternHQ API
Online · 1007 msVehicle wheel fitment, bolt pattern (PCD), offset, and center bore specifications.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 2

ProblemsByVin API
Online · 1062 msOwner complaints, recalls and failure-mileage statistics by vehicle make, model and year.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
NHTSA Edge VIN Decoder API
Online · 1115 msDecode US VINs offline from the NHTSA vPIC dataset, served from edge locations.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
Bike Reliability API
Online · 1888 msUK motorcycle reliability ranked by first-time MOT pass rates.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5

TransparentCars API
Online · 1521 msFair-price valuation and yearly road tax (IUC) for used cars in Portugal.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 6
NHTSA API
Online · 1514 msNHTSA Product Information Catalog and Vehicle Listing.
- No API key needed
- 100% uptime (30 days)
- HTTPS
No authHTTPSCORS ? - 7

RevCarData API
Online · 1191 ms86,000+ global vehicle specifications and EV metrics.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS - 8

Brazilian Vehicles and Prices API
Online · 1442 msVehicles information from Fundação Instituto de Pesquisas Econômicas - Fipe.
- No API key needed
- 100% uptime (30 days)
- HTTPS
No authHTTPSNo CORS - 9
Auto Body Shop Directory API
Online · 1379 msFind auto body shops by ZIP code, city, location, or profile.
- No API key needed
- 100% uptime (30 days)
- HTTPS
No authHTTPSNo CORS - 10

CarVector API
Online · 1464 msVehicle specs, images, recalls, and DTC codes across 1925-2029.
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
FuelEconomy API vs alternatives
| API | API key | HTTPS | CORS | Uptime | Response | Rating |
|---|---|---|---|---|---|---|
| No | Yes | Unknown | 100% | 1391 ms | Not rated | |
| No | Yes | Yes | 100% | 1007 ms | Not rated | |
| No | Yes | Yes | 100% | 1062 ms | Not rated | |
| NHTSA Edge VIN Decoder | No | Yes | Yes | 100% | 1115 ms | Not rated |
| No | Yes | Yes | 100% | 1888 ms | Not rated | |
| No | Yes | Yes | 100% | 1521 ms | Not rated | |
| No | Yes | Unknown | 100% | 1514 ms | Not rated | |
| Required | Yes | Yes | 100% | 1191 ms | Not rated | |
| No | Yes | No | 100% | 1442 ms | Not rated |
See also: best Vehicle APIs · all Vehicle APIs
FuelEconomy API alternatives FAQ
What is the best free alternative to the FuelEconomy API in 2026?
The top-ranked free alternatives to the FuelEconomy API are BoltPatternHQ API, ProblemsByVin API and NHTSA Edge VIN Decoder API, all in the Vehicle category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.
Is there a FuelEconomy API alternative I can call from the browser?
BoltPatternHQ API, ProblemsByVin API and NHTSA Edge VIN Decoder API support CORS, so front-end JavaScript can call them directly.
How many Vehicle APIs are similar to the FuelEconomy API?
The directory lists 18 other free Vehicle APIs. This page compares the top ones side by side.