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"
}
}Discovery
lowest-fare
Cheapest fares for a fixed route + date, up to ten itineraries, cheapest first
POST
/
v1
/
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
ApiKeyAuthBearerAuth
Body
application/json
Minimum array length:
1Example:
["NYC"]
Available options:
oneway, roundtrip Example:
"roundtrip"
Example:
["PAR"]
Available options:
city, airport Available options:
city, airport Pattern:
^\d{4}-\d{2}-\d{2}$Example:
["2026-07-15"]
Show child attributes
Show child attributes
Pattern:
^\d{4}-\d{2}-\d{2}$Example:
["2026-07-22"]
Show child attributes
Show child attributes
Required range:
x > 0Example:
7
Show child attributes
Show child attributes
Available options:
economy, premium_economy, business, first Example:
"economy"
Example:
false
Required range:
x >= 0Example:
1
Required range:
x >= 0Required range:
x >= 0Required range:
x >= 0Required range:
x >= 0Required range:
x >= 0Required range:
x >= 0Required string length:
2Required range:
x > 0Example:
800
Example:
"USD"
Example:
"en-US"
Required range:
1 <= x <= 100Required range:
x >= 0Available options:
lowest, recommendation Show child attributes
Show child attributes
