POST
/
v1
/
emissions
/
calculate
/
train
{
    "origin": "London",
    "destination": "Manchester",
    "departure_date": "1970-01-01",
    "return_date": "1970-01-01",
    "number_of_passengers": 1
}

{
    "emissions_in_kg": 1000
}

​
Headers

​
api-key
string
required
Authorisation requires an API key in the header of the request. Please see this page for more information.

​
Request Fields

​
origin
string
required
The town or city where the travelers journey begins.
​
destination
string
required
The town or city where the travelers journey ends.
​
departure_date
string
required
The start date of the travelers journey.Format: yyyy-MM-dd
​
return_date
string
The end date of the travelers journey.Format: yyyy-MM-dd
​
number_of_passengers
number
required
The number of travelers included in the booking.Minimum Value: 1
​
type_of_train
string
The type of train used in the booking.Possible Values: national_rail, international_rail, light_rail.Default: national_rail

​
Response Fields

​
emissions_in_kg
long
The amount of carbon emissions to be offset, specified in kilograms.
{
    "origin": "London",
    "destination": "Manchester",
    "departure_date": "1970-01-01",
    "return_date": "1970-01-01",
    "number_of_passengers": 1
}

{
    "emissions_in_kg": 1000
}