Question 1

Which is better, Buffer OpenAPI Spec or NHTSA?

Accepted Answer

If you need a Vehicle API that's easy to integrate, go with NHTSA. Buffer OpenAPI Spec uses apiKey while NHTSA uses no authentication.

Question 2

What is the main difference between Buffer OpenAPI Spec and NHTSA?

Accepted Answer

Buffer OpenAPI Spec: OpenAPI Spec for Buffer, handcrafted by [Rodolfo Carvalho](http://rodolfocarvalho.net).

**Note**: This is not an official spec. This is not endorsed by Buffer.. NHTSA: NHTSA Product Information Catalog and Vehicle Listing. They differ in authentication (apiKey vs no authentication), HTTPS support (yes vs yes), and CORS (unknown vs unknown).

Question 3

Which Vehicle API is easier to integrate?

Accepted Answer

NHTSA is easier to integrate because it requires no authentication.

Feature	Buffer OpenAPI Spec	NHTSA
Authentication	apiKey	None
HTTPS	Yes	Yes
CORS	Unknown	Unknown

Buffer OpenAPI Spec vs NHTSA

Buffer OpenAPI Spec

NHTSA

When to use which?