curl --request POST \
  --url https://api.example.com/v1/ground_search \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "departure_date": "2026-08-28",
  "departure_stations": [
    "GBLONLPB"
  ],
  "departure_city": "GBLON",
  "arrival_stations": [
    "GBLONLHB"
  ],
  "arrival_city": "GBLON",
  "return_date": "<string>",
  "passengers": [
    {
      "pax": 1,
      "max_age": 1
    }
  ],
  "carrier_codes": [
    "HEXR"
  ],
  "currency": "GBP",
  "locale": "en",
  "intent": {
    "user_intent": "find a cheap flight to Tokyo"
  }
}
'

import requests

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

payload = {
    "departure_date": "2026-08-28",
    "departure_stations": ["GBLONLPB"],
    "departure_city": "GBLON",
    "arrival_stations": ["GBLONLHB"],
    "arrival_city": "GBLON",
    "return_date": "<string>",
    "passengers": [
        {
            "pax": 1,
            "max_age": 1
        }
    ],
    "carrier_codes": ["HEXR"],
    "currency": "GBP",
    "locale": "en",
    "intent": { "user_intent": "find a cheap flight to Tokyo" }
}
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({
    departure_date: '2026-08-28',
    departure_stations: ['GBLONLPB'],
    departure_city: 'GBLON',
    arrival_stations: ['GBLONLHB'],
    arrival_city: 'GBLON',
    return_date: '<string>',
    passengers: [{pax: 1, max_age: 1}],
    carrier_codes: ['HEXR'],
    currency: 'GBP',
    locale: 'en',
    intent: {user_intent: 'find a cheap flight to Tokyo'}
  })
};

fetch('https://api.example.com/v1/ground_search', 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/ground_search",
  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([
    'departure_date' => '2026-08-28',
    'departure_stations' => [
        'GBLONLPB'
    ],
    'departure_city' => 'GBLON',
    'arrival_stations' => [
        'GBLONLHB'
    ],
    'arrival_city' => 'GBLON',
    'return_date' => '<string>',
    'passengers' => [
        [
                'pax' => 1,
                'max_age' => 1
        ]
    ],
    'carrier_codes' => [
        'HEXR'
    ],
    'currency' => 'GBP',
    'locale' => 'en',
    'intent' => [
        'user_intent' => 'find a cheap flight to Tokyo'
    ]
  ]),
  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/ground_search"

	payload := strings.NewReader("{\n  \"departure_date\": \"2026-08-28\",\n  \"departure_stations\": [\n    \"GBLONLPB\"\n  ],\n  \"departure_city\": \"GBLON\",\n  \"arrival_stations\": [\n    \"GBLONLHB\"\n  ],\n  \"arrival_city\": \"GBLON\",\n  \"return_date\": \"<string>\",\n  \"passengers\": [\n    {\n      \"pax\": 1,\n      \"max_age\": 1\n    }\n  ],\n  \"carrier_codes\": [\n    \"HEXR\"\n  ],\n  \"currency\": \"GBP\",\n  \"locale\": \"en\",\n  \"intent\": {\n    \"user_intent\": \"find a cheap flight to Tokyo\"\n  }\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/ground_search")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"departure_date\": \"2026-08-28\",\n  \"departure_stations\": [\n    \"GBLONLPB\"\n  ],\n  \"departure_city\": \"GBLON\",\n  \"arrival_stations\": [\n    \"GBLONLHB\"\n  ],\n  \"arrival_city\": \"GBLON\",\n  \"return_date\": \"<string>\",\n  \"passengers\": [\n    {\n      \"pax\": 1,\n      \"max_age\": 1\n    }\n  ],\n  \"carrier_codes\": [\n    \"HEXR\"\n  ],\n  \"currency\": \"GBP\",\n  \"locale\": \"en\",\n  \"intent\": {\n    \"user_intent\": \"find a cheap flight to Tokyo\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

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

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  \"departure_date\": \"2026-08-28\",\n  \"departure_stations\": [\n    \"GBLONLPB\"\n  ],\n  \"departure_city\": \"GBLON\",\n  \"arrival_stations\": [\n    \"GBLONLHB\"\n  ],\n  \"arrival_city\": \"GBLON\",\n  \"return_date\": \"<string>\",\n  \"passengers\": [\n    {\n      \"pax\": 1,\n      \"max_age\": 1\n    }\n  ],\n  \"carrier_codes\": [\n    \"HEXR\"\n  ],\n  \"currency\": \"GBP\",\n  \"locale\": \"en\",\n  \"intent\": {\n    \"user_intent\": \"find a cheap flight to Tokyo\"\n  }\n}"

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

{
  "connections": [
    {
      "id": "HEXR-GBLONLPB-GBLONLHB-2026-08-28T04:34-2026-08-28T04:59",
      "departure_station": {
        "code": "<string>",
        "name": "<string>",
        "city_name": "<string>",
        "country_code": "<string>"
      },
      "arrival_station": {
        "code": "<string>",
        "name": "<string>",
        "city_name": "<string>",
        "country_code": "<string>"
      },
      "departure_time": "<string>",
      "arrival_time": "<string>",
      "duration_minutes": 123,
      "transport_mode": "<string>",
      "marketing_carrier": {
        "code": "HEXR",
        "trade_name": "Heathrow Express",
        "legal_name": "<string>",
        "logo_url": "<string>",
        "transport_mode": "<string>",
        "website": "<string>"
      },
      "operating_carrier": {
        "code": "HEXR",
        "trade_name": "Heathrow Express",
        "legal_name": "<string>",
        "logo_url": "<string>",
        "transport_mode": "<string>",
        "website": "<string>"
      },
      "fares": [
        {
          "fare_class": "<string>",
          "fare_name": "<string>",
          "total_price": {
            "value": 123,
            "currency": "<string>",
            "decimal_places": 123
          },
          "refundable": true,
          "exchangeable": true,
          "conditions": [
            "<string>"
          ]
        }
      ],
      "from_amount": {
        "value": 123,
        "currency": "<string>",
        "decimal_places": 123
      }
    }
  ]
}

{
  "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": "PAYMENT_REQUIRED",
    "message": "Insufficient balance — this call costs $0.0150 and your organization has $0.0000 available. Top up at https://dashboard.gojinko.com/developers/billing/topup",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "CONFLICT",
    "message": "an exchange is already in progress for this booking",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "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_REJECTED",
    "message": "sabre-rest BargainFinderMaxRQ failed with status 400: 27131 - Number of connection locations exceeds maximum allowed",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "UPSTREAM_UNAVAILABLE",
    "message": "All flight providers are temporarily unable to serve this search. Please retry later. Provider reasons: sabre-rest: provider temporarily closed; travelfusion: quota exhausted",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}

{
  "error": {
    "code": "UPSTREAM_TIMEOUT",
    "message": "sabre-rest BargainFinderMaxRQ timed out after 30s",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  }
}