Pull your MOT Testing Service data into your own systems

What you can build on MTS

• Get test logs for a site

  Build this

  Opens your site in MTS, selects Test logs, sets a day, a week or up to 31 days and reads every MOT test, with the test numbers, VINs, classes and durations of the CSV.

  Takes

  Site, date range of up to 31 days

  Returns

  Test date and time, test number, VRM, VIN, make and model, test class, test type, user ID, site ID, test duration, result

• Get test quality information

  Build this

  Opens Test quality information for one site and reads the figures for a full month, per tester and for the site, in group A and group B.

  Takes

  Site, month (one of the last 3 full months)

  Returns

  Tester, test group, tests done, average vehicle age, average test duration, failure rate, site fail rate, national fail rate

• Check slot balance and usage

  Build this

  Opens your business in MTS and reads the slot balance, the slot transactions with their payment method and how many slots each MOT centre has used.

  Takes

  Nothing

  Returns

  Slot balance, transactions (date, slots, payment method), slots used per MOT centre

• Buy test slots by card

  Build this

  Selects Buy slots for your business, enters the number of slots and pays by debit or credit card.

  Takes

  Number of slots (25 to 125,000), card details

  Returns

  Slots bought, amount paid, payment date, new slot balance

Automate MTS with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• Slot balance check before tests are blocked

  Build this

  Starts

  Every weekday at 7:00

  Step 1

  Check the slot balance and the slots used by each MOT centre.

  Step 2

  Stop when the balance is above the number of slots you set.

  Step 3

  Email you the balance and each centre's slots used, so you can buy slots in time.

• Weekly test log review, every site

  Build this

  Starts

  Every Monday at 8:00

  Step 1

  For each site you name, get the test logs for last week, Monday to Sunday.

  Step 2

  Keep the aborted tests and the tests shorter than the duration you set.

  Step 3

  An AI step groups them by tester.

  Step 4

  Email you the list, one section per site.

• Monthly test quality summary for managers

  Build this

  Starts

  On the 2nd of every month at 8:00

  Step 1

  For each site, get the test quality information for the last full month.

  Step 2

  An AI step names the testers whose failure rate is far from the national fail rate.

  Step 3

  Post the figures and the summary to your webhook.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Get test logs for a site” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "www.mot-testing.service.gov.uk/get_test_logs",
    "input": {
      "site": "Globex Motors",
      "from": "2026-11-02",
      "to": "2026-11-08"
    }
  }'

{
  "status": "completed",
  "data": {
    "site": "Globex Motors",
    "site_id": "V12345",
    "tests": [
      {
        "date_time": "2026-11-06T09:14:00",
        "test_number": "4127 3398 1052",
        "vrm": "AB12 CDE",
        "vin": "XXA0000000N123456",
        "make_model": "Acme Roadster 1.6",
        "test_class": "4",
        "test_type": "Normal",
        "user_id": "ACME1234",
        "test_duration_minutes": 46,
        "result": "Passed"
      }
    ],
    "count": 1
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

MTS’s own options

DVSA offers the MOT history API, which reads vehicle and MOT test data as JSON. Organisations, businesses and individuals can register, and the review and API key take up to 5 working days. It does not cover your own MTS account: test logs and test quality information download as CSV files from MTS, and slots are bought there by card or Direct Debit.

Read on November 12, 2026: MOT history API documentation, Using MOT test quality information: guidance for MOT managers, MOT test slot payments.

Signing in to MTS

MTS signs you in with your user ID, your password and an MOT security code, which comes from an authentication app or by email. With Fous you sign in once through MTS's own sign-in with your own account: the login is sealed with AES-256, a security code sent by email is handled, and an expired session is signed back in.

Worth knowing

Test logs reach 31 days at a time

Test logs show a day, a week from Monday to Sunday, or a month of at most 31 days. The CSV adds test numbers, VINs, test classes, test durations and contingency codes to what the page shows.

TQI keeps the last 3 full months

Test quality information opens on the last full month and goes back 3 full months, split into group A (classes 1 and 2) and group B (classes 3, 4, 5 and 7). Read it every month to keep a longer history.

No slot, no new test

MTS does not let a site register a new test or retest when the AE has no test slot left. Each recorded pass uses one slot at £2.05; card purchases take up to 30 minutes to appear, Direct Debit up to 5 working days.

Your role decides what a method sees

Only the AEDM and AED can buy slots. Site Admins can check test logs and TQI for their sites, and an AE Consultant has view-only access.

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