lowest-fare

Cheapest fares for a fixed route + date — up to ten itineraries, cheapest first

curl --request POST \
  --url https://api.example.com/v1/lowest_fare \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "origins": [
    "NYC"
  ],
  "destinations": [
    "PAR"
  ],
  "trip_type": "roundtrip",
  "departure_date_ranges": [
    {
      "start": "2026-09-01",
      "end": "2026-09-30"
    }
  ],
  "stay_days": 7,
  "cabin_class": "economy",
  "adults": 1,
  "currency": "USD"
}
'

import requests

url = "https://api.example.com/v1/lowest_fare"

payload = {
    "origins": ["NYC"],
    "destinations": ["PAR"],
    "trip_type": "roundtrip",
    "departure_date_ranges": [
        {
            "start": "2026-09-01",
            "end": "2026-09-30"
        }
    ],
    "stay_days": 7,
    "cabin_class": "economy",
    "adults": 1,
    "currency": "USD"
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    origins: ['NYC'],
    destinations: ['PAR'],
    trip_type: 'roundtrip',
    departure_date_ranges: [{start: '2026-09-01', end: '2026-09-30'}],
    stay_days: 7,
    cabin_class: 'economy',
    adults: 1,
    currency: 'USD'
  })
};

fetch('https://api.example.com/v1/lowest_fare', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/v1/lowest_fare",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'origins' => [
        'NYC'
    ],
    'destinations' => [
        'PAR'
    ],
    'trip_type' => 'roundtrip',
    'departure_date_ranges' => [
        [
                'start' => '2026-09-01',
                'end' => '2026-09-30'
        ]
    ],
    'stay_days' => 7,
    'cabin_class' => 'economy',
    'adults' => 1,
    'currency' => 'USD'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/lowest_fare"

	payload := strings.NewReader("{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/v1/lowest_fare")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/lowest_fare")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}"

response = http.request(request)
puts response.read_body

{
  "itineraries": [
    {
      "id": "itin_9f3b2a17",
      "origin": {
        "code": "JFK",
        "name": "New York John F. Kennedy"
      },
      "destination": {
        "code": "CDG",
        "name": "Paris Charles de Gaulle"
      },
      "total": {
        "value": 41250,
        "currency": "USD",
        "decimal_places": 2
      },
      "cabin_class": "economy"
    }
  ],
  "next_page_token": "eyJvZmZzZXQiOjIwfQ=="
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "Malformed JSON in request body.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "AUTH_REQUIRED",
    "message": "Invalid or expired API key.",
    "doc_url": "https://docs.gojinko.com/api-reference/authentication"
  }
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "origins: origins is required; trip_type: trip_type is required",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "RATE_LIMITED",
    "message": "Rate limit or quota exceeded.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "UPSTREAM_ERROR",
    "message": "Upstream travel provider returned an error. Please retry.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

POST

lowest_fare

Cheapest fares for a fixed route + date — up to ten itineraries, cheapest first

curl --request POST \
  --url https://api.example.com/v1/lowest_fare \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "origins": [
    "NYC"
  ],
  "destinations": [
    "PAR"
  ],
  "trip_type": "roundtrip",
  "departure_date_ranges": [
    {
      "start": "2026-09-01",
      "end": "2026-09-30"
    }
  ],
  "stay_days": 7,
  "cabin_class": "economy",
  "adults": 1,
  "currency": "USD"
}
'

import requests

url = "https://api.example.com/v1/lowest_fare"

payload = {
    "origins": ["NYC"],
    "destinations": ["PAR"],
    "trip_type": "roundtrip",
    "departure_date_ranges": [
        {
            "start": "2026-09-01",
            "end": "2026-09-30"
        }
    ],
    "stay_days": 7,
    "cabin_class": "economy",
    "adults": 1,
    "currency": "USD"
}
headers = {
    "X-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    origins: ['NYC'],
    destinations: ['PAR'],
    trip_type: 'roundtrip',
    departure_date_ranges: [{start: '2026-09-01', end: '2026-09-30'}],
    stay_days: 7,
    cabin_class: 'economy',
    adults: 1,
    currency: 'USD'
  })
};

fetch('https://api.example.com/v1/lowest_fare', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.example.com/v1/lowest_fare",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'origins' => [
        'NYC'
    ],
    'destinations' => [
        'PAR'
    ],
    'trip_type' => 'roundtrip',
    'departure_date_ranges' => [
        [
                'start' => '2026-09-01',
                'end' => '2026-09-30'
        ]
    ],
    'stay_days' => 7,
    'cabin_class' => 'economy',
    'adults' => 1,
    'currency' => 'USD'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/lowest_fare"

	payload := strings.NewReader("{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.example.com/v1/lowest_fare")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/lowest_fare")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"origins\": [\n    \"NYC\"\n  ],\n  \"destinations\": [\n    \"PAR\"\n  ],\n  \"trip_type\": \"roundtrip\",\n  \"departure_date_ranges\": [\n    {\n      \"start\": \"2026-09-01\",\n      \"end\": \"2026-09-30\"\n    }\n  ],\n  \"stay_days\": 7,\n  \"cabin_class\": \"economy\",\n  \"adults\": 1,\n  \"currency\": \"USD\"\n}"

response = http.request(request)
puts response.read_body

{
  "itineraries": [
    {
      "id": "itin_9f3b2a17",
      "origin": {
        "code": "JFK",
        "name": "New York John F. Kennedy"
      },
      "destination": {
        "code": "CDG",
        "name": "Paris Charles de Gaulle"
      },
      "total": {
        "value": 41250,
        "currency": "USD",
        "decimal_places": 2
      },
      "cabin_class": "economy"
    }
  ],
  "next_page_token": "eyJvZmZzZXQiOjIwfQ=="
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "Malformed JSON in request body.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "AUTH_REQUIRED",
    "message": "Invalid or expired API key.",
    "doc_url": "https://docs.gojinko.com/api-reference/authentication"
  }
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "origins: origins is required; trip_type: trip_type is required",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "RATE_LIMITED",
    "message": "Rate limit or quota exceeded.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "UPSTREAM_ERROR",
    "message": "Upstream travel provider returned an error. Please retry.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

The cheapest fares for a fixed route and date. Takes the same inputs as Flight Calendar but for one specific departure date (one-way, or with a return date for round-trip) returns up to ten itineraries sorted cheapest-first. The fixed-date counterpart of Flight Calendar. Reach for it when the date is locked and you just want the cheapest options that day. Cache-backed; no live pricing. Each result includes an offer token you can pass into a live price check or directly into a trip.

Authorizations

X-API-Key

string

header

required

Body

application/json

origins

string[]

required

Minimum array length: 1

Example:

["NYC"]

trip_type

enum<string>

required

Available options:

oneway,

roundtrip

Example:

"roundtrip"

destinations

string[]

Example:

["PAR"]

origin_type

enum<string>

default:city

Available options:

city,

airport

destination_type

enum<string>

default:city

Available options:

city,

airport

departure_dates

string[]

Pattern: ^\d{4}-\d{2}-\d{2}$

Example:

["2026-07-15"]

departure_date_ranges

object[]

Show child attributes

return_dates

string[]

Pattern: ^\d{4}-\d{2}-\d{2}$

Example:

["2026-07-22"]

return_date_ranges

object[]

Show child attributes

stay_days

integer

Required range: x > 0

Example:

7

stay_days_range

object

Show child attributes

cabin_class

enum<string>

Available options:

economy,

premium_economy,

business,

first

Example:

"economy"

direct_only

boolean

Example:

false

adults

integer

Required range: x >= 0

Example:

1

children

integer

Required range: x >= 0

infants_in_lap

integer

Required range: x >= 0

infants_in_seat

integer

Required range: x >= 0

youth

integer

Required range: x >= 0

student

integer

Required range: x >= 0

ages

integer[]

Required range: x >= 0

residency_country

string

Required string length: 2

max_total

number

Required range: x > 0

Example:

800

currency

string

Example:

"USD"

locale

string

Example:

"en-US"

limit

integer

default:20

Required range: 1 <= x <= 100

offset

integer

default:0

Required range: x >= 0

sort_by

enum<string>

default:lowest

Available options:

lowest,

recommendation

intent

object

Show child attributes

Response

Cheapest itineraries for the route + date, lowest-first

itineraries

object[]

required

Show child attributes

next_page_token

string

Example:

"eyJvZmZzZXQiOjIwfQ=="

POST /v1/find_dates POST /v1/price_monitoring

Introduction

Travel Demand

Flights

Hotels

Cart & Payment

Webhooks

Authorizations

Body

Response