UK Vehicle Tools
Calculations by fourzerotwo. VED uses DVLA's V149 rates in force from 1 April 2026.
- endpoints
- 4
- from
- $0.001 / call
- free tier
- yes
Date a number plate
When a current-style UK plate (e.g. AB74 CDE) was issued, and the earliest first-MOT date it implies.
- price
- $0.001 / call
- free tier
- 3 free / day
- MCP tool
- uk-vehicle-tools__plate-age
- method
- GET
GET https://fourzerotwo.si/v1/uk-vehicle-tools/plate-age
| Param | Type | Description |
|---|---|---|
| reg | string | UK registration |
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/uk-vehicle-tools/plate-age?reg=AB74%20CDE" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-vehicle-tools/plate-age?reg=AB74%20CDE"
First MOT due
First MOT due date from a first-registration date, and whether an MOT is needed now.
- price
- $0.001 / call
- free tier
- 3 free / day
- MCP tool
- uk-vehicle-tools__mot-due
- method
- GET
GET https://fourzerotwo.si/v1/uk-vehicle-tools/mot-due
| Param | Type | Description |
|---|---|---|
| first_registered | string | YYYY-MM-DD |
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/uk-vehicle-tools/mot-due?first_registered=2023-09-01" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-vehicle-tools/mot-due?first_registered=2023-09-01"
Vehicle tax (VED)
UK car tax under the right regime (pre-2001, 2001-2017 CO2 bands, 2017+), at April 2026 rates, incl. expensive-car supplement.
- price
- $0.002 / call
- free tier
- 3 free / day
- MCP tool
- uk-vehicle-tools__vehicle-tax
- method
- GET
GET https://fourzerotwo.si/v1/uk-vehicle-tools/vehicle-tax
| Param | Type | Description |
|---|---|---|
| first_registered | string | YYYY-MM-DD |
| co2? | integer | CO2 g/km (needed from March 2001) |
| fuel? | string | petrol, diesel, electric, hybrid, lpg |
| engine_cc? | integer | Engine cc (pre-2001 only) |
| list_price? | integer | List price £ when new (for the supplement) |
| diesel_rde2? | integer | 1 if a diesel meets RDE2 |
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/uk-vehicle-tools/vehicle-tax?first_registered=2019-06-01" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-vehicle-tools/vehicle-tax?first_registered=2019-06-01"
London ULEZ check
Whether a car meets London ULEZ standards, from its Euro status or (as an estimate) its registration date.
- price
- $0.002 / call
- free tier
- 3 free / day
- MCP tool
- uk-vehicle-tools__ulez
- method
- GET
GET https://fourzerotwo.si/v1/uk-vehicle-tools/ulez
| Param | Type | Description |
|---|---|---|
| fuel | string | petrol, diesel, hybrid, electric |
| euro_status? | string | e.g. "Euro 6" |
| first_registered? | string | YYYY-MM-DD |
# unpaid: returns 402 with the price curl -i "https://fourzerotwo.si/v1/uk-vehicle-tools/ulez?fuel=diesel" # free tier: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/uk-vehicle-tools/ulez?fuel=diesel"
VED rates: DVLA V149 (April 2026), Open Government Licence v3.0. Calculations by fourzerotwo.