Question 1

Which is better, Buffer OpenAPI Spec or Smartcar?

Accepted Answer

If you need a Vehicle API that's easy to integrate, go with Smartcar. Buffer OpenAPI Spec uses apiKey while Smartcar uses OAuth.

Question 2

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

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.. Smartcar: Lock and unlock vehicles and get data like odometer reading and location. Works on most new cars. They differ in authentication (apiKey vs OAuth), HTTPS support (yes vs yes), and CORS (unknown vs yes).

Question 3

Which Vehicle API is easier to integrate?

Accepted Answer

Both have similar integration complexity. Buffer OpenAPI Spec uses apiKey and Smartcar uses OAuth.

Buffer OpenAPI Spec vs Smartcar

Buffer OpenAPI Spec

Smartcar

When to use which?

Feature	Buffer OpenAPI Spec	Smartcar
Authentication	apiKey	OAuth
HTTPS	Yes	Yes
CORS	Unknown	Yes