CarMD Diagnostic API works on all vehicles sold in the US since 1996. It provides information on a vehicle’s check engine light. This service covers SAE public standard codes and OEM non-standard codes.
This API provides data on the following elements:
Technical defination of the code
Laymen’s definition of the code
Urgency of the code
Effect on vehicle
For specific details, please see our
API Documentation for Diagnostics.
Testing the API
This document will guide a user to testing the endpoint without having to touch any code other than the endpoint data.
1 – Register an account for free or login to grab your API keys.
Registration is easy with just an email and password and then you’re ready to start using the APIs.
We do not ask for credit card information on registration.
Using the APIs is
FREE to a limit.
Register to get access
Once you reach your dashboard, click Next as shown below to view your keys.
2 – Download and open your RESTful client
Advanced REST client for Google Chrome.
Open the client by going to the
app. Then click Launch app.
3 – Add Diagnostic API endpoint and data
Once you’re at the main screen of the client insert the endpoint and parameter data into the Request URL field at the top.
Example endpoint and parameter data 1 (copy and paste the line below into the client):
4 – Adding your header
At this point we’re prepping to add your authorization and partner keys to the header, first lets setup the header.
Parameters, click Insert headers set.
The default header will display, then click
USE THIS SET
The result should look like below:
5 – Adding your keys to the header
Here we’re going to add your keys to the header. First lets open up some fields in your header by clicking
ADD HEADER twice.
It should look like this.
Now add your keys to the empty header fields.
6 – Sending your request
Submit your request by clicking
SEND. The response may take a few seconds.
Your response should look something like the below.
If so, congrats and thank you for using CarMD’s API!
Each response is broken down into two portions, one is the message which contains basic diagnostic results of the request and the other is the data.
Your diagnostic information will be contained in the ‘data’ field.