GetTripOptions method

This method provides high-level ticketing groups for a specified trip. These contain sets of segments with selected service classes that are bookable on the same ticket, as well as fare and availability information for the ticket as a whole. Note that:

GetTripOptionsRequest

Proto Definition

// Request sent to partners.
message GetTripOptionsRequest {
  // All segments together should form a single trip for which a ticket can be
  // booked.
  repeated ext.travel.transport.partner.SegmentKey segment_keys = 1;
}

JSON Sample

{
  "segment_keys": [
    {
      "ticketing_trip_id": "123456",
      "from_ticketing_stop_time_id": "ZRH-1234",
      "to_ticketing_stop_time_id": "LUZ-1235",
      "service_date": {
        "year": 2022,
        "month": 4,
        "day": 6
      },
      "boarding_time": {
        "year": 2022,
        "month": 4,
        "day": 6,
        "hours": 14,
        "minutes": 25,
        "seconds": 0,
        "nanos": 0,
        "utc_offset": "0s"
      },
      "arrival_time": {
        "year": 2022,
        "month": 4,
        "day": 6,
        "hours": 16,
        "minutes": 25,
        "seconds": 0,
        "nanos": 0,
        "utc_offset": "0s"
      }
    },
    {
      "ticketing_trip_id": "234567",
      "from_ticketing_stop_time_id": "LUZ-2759",
      "to_ticketing_stop_time_id": "WOL-2455",
      "service_date": {
        "year": 2022,
        "month": 4,
        "day": 6
      },
      "boarding_time": {
        "year": 2022,
        "month": 4,
        "day": 6,
        "hours": 18,
        "minutes": 13,
        "seconds": 0,
        "nanos": 0,
        "utc_offset": "0s"
      },
      "arrival_time": {
        "year": 2022,
        "month": 4,
        "day": 6,
        "hours": 20,
        "minutes": 13,
        "seconds": 0,
        "nanos": 0,
        "utc_offset": "0s"
      }
    }
  ]
}

GetTripOptionsResponse

Proto Definition

// Response received from partners.
message GetTripOptionsResponse {
  oneof response {
    TripOptionsResult trip_options_result = 1;
    TripOptionsError trip_options_error = 2;
  }
}

// A successful partner response.
message TripOptionsResult {
  // Note:
  // - A TripOption represents the fare for a combination of available service
  //   classes for the segments in the request.
  // - If the seats within a service class are sold at different fares of
  //   limited availability, a different TripOption instance with the same
  //   sequence of segments can be returned for each fare.

  // Partners should also include options that are unavailable because they are
  // fully booked, using the appropriate Unavailable message below.
  repeated TripOption trip_options = 1;
}


// A travel option for users covering the whole end-to-end journey with the
// partner.
message TripOption {
  // A series of Segments that cover the whole trip option, one for each
  // SegmentKey in the request.
  repeated Segment segments = 1;

  // This is the lowest standard fare of all seats with the specified segments.
  // This field is optional if the series of segments is unavailable.
  // This "standard fare" should be the lowest seat price where no age or other
  // booking restrictions apply. The currency should be the local currency of
  // the origin of the first segment.
  Fare lowest_standard_fare = 2;

  // The availability status for bookings of this trip option at the
  // lowest_standard_fare.
  Availability availability = 3;

  // This is used to receive optional extra data via the Travel Transport API
  // and pass it into the ticketing deep link.
  // Booking links should still work without the booking token, but the token
  // can be used to ensure price consistency between Google Search results and
  // the partner booking page.
  string booking_token = 4 [features.field_presence = EXPLICIT];
}

// A segment traveled on a single vehicle in a given Service Class.
message Segment {
  SegmentKey segment_key = 1;

  // The service class used on this segment.
  ServiceClass service_class = 2;
}

JSON Sample

{
  "trip_options_result": {
    "trip_options": [
      {
        "segments": [
          {
            "segment_key": {
              "ticketing_trip_id": "123456",
              "from_ticketing_stop_time_id": "ZRH-1234",
              "to_ticketing_stop_time_id": "LUZ-1235",
              "service_date": {
                "year": 2022,
                "month": 4,
                "day": 6
              },
              "boarding_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 14,
                "minutes": 25,
                "seconds": 0,
                "utc_offset": "0s"
              },
              "arrival_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 16,
                "minutes": 25,
                "seconds": 0,
                "utc_offset": "0s"
              }
            },
            "service_class": {
              "type": "FIRST_CLASS"
            }
          },
          {
            "segment_key": {
              "ticketing_trip_id": "234567",
              "from_ticketing_stop_time_id": "LUZ-2759",
              "to_ticketing_stop_time_id": "WOL-2455",
              "service_date": {
                "year": 2022,
                "month": 4,
                "day": 6
              },
              "boarding_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 18,
                "minutes": 13,
                "seconds": 0,
                "utc_offset": "0s"
              },
              "arrival_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 20,
                "minutes": 13,
                "seconds": 0,
                "utc_offset": "0s"
              }
            },
            "service_class": {
              "type": "FIRST_CLASS"
            }
          }
        ],
        "lowest_standard_fare": {
          "total_amount": {
            "units": 15,
            "nanos": 0,
            "currency_code": "CHF"
          },
          "line_items": [
            {
              "line_item_type": "BASE_FARE",
              "amount": {
                "units": 13,
                "nanos": 950000000,
                "currency_code": "CHF"
              }
            },
            {
              "line_item_type": "SERVICE_CHARGE",
              "amount": {
                "units": 1,
                "nanos": 50000000,
                "currency_code": "CHF"
              }
            }
          ]
        },
        "availability": {
          "available": {
            "available_seat_count": 10,
            "total_seat_count": 30
          }
        }
      },
      {
        "segments": [
          {
            "segment_key": {
              "ticketing_trip_id": "123456",
              "from_ticketing_stop_time_id": "ZRH-1234",
              "to_ticketing_stop_time_id": "LUZ-1235",
              "service_date": {
                "year": 2022,
                "month": 4,
                "day": 6
              },
              "boarding_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 14,
                "minutes": 25,
                "seconds": 0,
                "utc_offset": "0s"
              },
              "arrival_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 16,
                "minutes": 25,
                "seconds": 0,
                "utc_offset": "0s"
              }
            },
            "service_class": {
              "type": "SECOND_CLASS"
            }
          },
          {
            "segment_key": {
              "ticketing_trip_id": "234567",
              "from_ticketing_stop_time_id": "LUZ-2759",
              "to_ticketing_stop_time_id": "WOL-2455",
              "service_date": {
                "year": 2022,
                "month": 4,
                "day": 6
              },
              "boarding_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 18,
                "minutes": 13,
                "seconds": 0,
                "utc_offset": "0s"
              },
              "arrival_time": {
                "year": 2022,
                "month": 4,
                "day": 6,
                "hours": 20,
                "minutes": 13,
                "seconds": 0,
                "utc_offset": "0s"
              }
            },
            "service_class": {
              "type": "SECOND_CLASS"
            }
          }
        ],
        "lowest_standard_fare": {
          "total_amount": {
            "units": 10,
            "nanos": 0,
            "currency_code": "CHF"
          },
          "line_items": [
            {
              "line_item_type": "BASE_FARE",
              "amount": {
                "units": 9,
                "nanos": 750000000,
                "currency_code": "CHF"
              }
            },
            {
              "line_item_type": "SERVICE_CHARGE",
              "amount": {
                "units": 0,
                "nanos": 250000000,
                "currency_code": "CHF"
              }
            }
          ]
        },
        "availability": {
          "available": {
            "available_seat_count": 44,
            "total_seat_count": 200
          }
        }
      }
    ]
  }
}

JSON Error Sample

{
  "trip_options_error": {
    "error_type": "SEGMENT_KEY_NOT_FOUND",
    "error_message": "No matching segments found, no departures at 14:25"
  }
}

API Implementation Note:

For forward-compatibility with potential changes, if additional parameters are encountered in segment keys, always return them back in the response. Otherwise ignore the parameters and treat the request as if they weren't there, until you implement specific support for the parameters.

Error responses

The following table describes the error reporting expectations for this method:

Error Type Retryable HTTP Status Code Description
SEGMENT_KEY_NOT_FOUND No 404 The segment corresponding to one of the provided SegmentKeys cannot be found.
TRIP_OPTION_CACHE_STALE Yes 404 The data for the requested trip option is not up-to-date at the partner and needs to be refreshed to be provided to Google.
INTERNAL_ERROR Yes 500 An unexpected error happened during retrieval of this trip. This indicates a bug that needs to be fixed by the partner.
SUBOPTIMAL_ITINERARY No 404 The trip was found but the partner considers it suboptimal and chooses not to sell tickets for it.
TICKETING_PROHIBITED No 404 The trip was found but the partner is not allowed to sell tickets for it due to general ticketing sale restrictions imposed by the operator or rail authority.
BOOKING_WINDOW_NOT_SUPPORTED No 404 The partner doesn't support pricing itineraries for the requested date.

For more details see TripOptionsErrorType

For status code return in HTTP responses, refer to Status codes & error handling.