[Python] "Something wrong with request error" with DVLA MOT API GET Request [closed]

I am trying to access the DVLA mot API. The OAuth 2 token request works and contact is being made with the server, but it returns error code MOTH-BR-01", "Something is wrong with the request" - no further explanation as to what is wrong. The code should return the vehicles details (Make, Model, MOT History) like so:

{
"registration": "string",
"make": "Ford",
"model": "Focus",
"firstUsedDate": "2025-03-07",
"fuelType": "Petrol",
"primaryColour": "Silver",
"registrationDate": "2025-03-07",
"manufactureDate": "2025-03-07",
"engineSize": "1598",
"hasOutstandingRecall": "Yes",
"motTests": [
{
"completedDate": "2023-02-17T09:17:46.000Z",
"testResult": "PASSED",
"expiryDate": "2025-03-07",
"odometerValue": "string",
"odometerUnit": "MI",
"odometerResultType": "READ",
"motTestNumber": "string",
"dataSource": "DVSA",
"defects": [
{
"text": "string",
"type": "ADVISORY",
"dangerous": true
}
]
},
{
"completedDate": "2023-02-17T09:17:46.000Z",
"testResult": "PASSED",
"expiryDate": "2025-03-07",
"odometerValue": "string",
"odometerUnit": "KM",
"odometerResultType": "READ",
"motTestNumber": "string",
"dataSource": "DVA NI"
},
{


however instead just returns an error message saying something was wrong with my request as follows:


{"requestId": "773c4d80-9538-4063-9450-0323221b562c","errorCode":"MOTHBR-01", "errorMessage":"Something is wrong with the request"}



Here is my code (With credentials and API key censored):

import requests

# Step 1: Get the OAuth2 token
url = 'https://login.microsoftonline.com/ABC/oauth2/v2.0/token'
headers = {
'Content-Type': 'application/x-www-form-urlencoded'
}

# Define the data for the POST request to get the access token
data = {
'grant_type': 'client_credentials',
'client_id': 'ABC',
'client_secret': 'ABC',
'scope': 'https://tapi.dvsa.gov.uk/.default'
}

# Send the POST request to get the token
response = requests.post(url, headers=headers, data=data)

# Check if the request was successful
if response.status_code == 200:
print('Access token:', response.json()['access_token'])
token = response.json()['access_token']
else:
print('Error:', response.status_code, response.text)
exit() # Exit if token request fails

# Step 2: Request MOT history for the vehicle
registration_number = 'ABC123' # Replace with the registration number of the vehicle you're querying
url2 = f'https://history.mot.api.gov.uk/v1/trade/vehicles/{registration_number}'

# Define the headers for the second request
headers2 = {
"Authorization": f"Bearer {token}", # Authorization header with access token
"X-API-Key": "API_KEY" # API Key
}

# Send the GET request to get the MOT history
response2 = requests.get(url2, headers=headers2) # GET request for MOT history

# Check if the request was successful
if response2.status_code == 200:
print('MOT History:', response2.json())
else:
print(f"Error: {response2.status_code} - {response2.text}")


Here is the API docs: https://documentation.history.mot.api.gov.uk/mot-history-api/api-specification/

Thanks

Continue reading...