curl --request POST \
  --url https://api.example.com/v1/checkout \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "trip_id": "trip_1048576",
  "fail_on_price_change": false,
  "intent": {
    "user_intent": "find a cheap flight to Tokyo"
  }
}
'

import requests

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

payload = {
    "trip_id": "trip_1048576",
    "fail_on_price_change": False,
    "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({
    trip_id: 'trip_1048576',
    fail_on_price_change: false,
    intent: {user_intent: 'find a cheap flight to Tokyo'}
  })
};

fetch('https://api.example.com/v1/checkout', 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/checkout",
  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([
    'trip_id' => 'trip_1048576',
    'fail_on_price_change' => false,
    '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/checkout"

	payload := strings.NewReader("{\n  \"trip_id\": \"trip_1048576\",\n  \"fail_on_price_change\": false,\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/checkout")
  .header("X-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"trip_id\": \"trip_1048576\",\n  \"fail_on_price_change\": false,\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/checkout")

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  \"trip_id\": \"trip_1048576\",\n  \"fail_on_price_change\": false,\n  \"intent\": {\n    \"user_intent\": \"find a cheap flight to Tokyo\"\n  }\n}"

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

{
  "session_id": "cs_1048576",
  "checkout_url": "https://book.gojinko.com/checkout?sid=1048576",
  "status": "ready",
  "expires_at": "2026-06-01T12:39:56Z",
  "payment_type": "checkout",
  "total_amount": {
    "amount": 123,
    "value": 41250,
    "currency": "USD",
    "decimal_places": 2
  },
  "items": [
    {
      "item_id": "itm_4b91c2",
      "kind": "flight",
      "offer_id": "htl_2d67a7441c60e5de",
      "trip_item_token": "of_9c1d2e:FARE_ABC",
      "hotel_id": "lp1f2c3",
      "price": {
        "amount": 123,
        "value": 41250,
        "currency": "USD",
        "decimal_places": 2
      },
      "pax_count": 1,
      "available_ancillaries": [
        {
          "offer_id": "anc_bag_20kg",
          "type": "bag",
          "label": "bag&1 x large 55 x 40 x 20 cm&Includes Speedy Boarding",
          "display_label": "bag, 1 x large 55 x 40 x 20 cm, Includes Speedy Boarding",
          "description": "<string>",
          "price_per_unit": {
            "amount": 123,
            "value": 41250,
            "currency": "USD",
            "decimal_places": 2
          },
          "per_pax": true,
          "max_quantity": 2,
          "paid_at": "now"
        }
      ],
      "selected_ancillaries": [
        {
          "offer_id": "anc_bag_20kg",
          "pax_ref_id": "pax_1",
          "quantity": 1
        }
      ],
      "price_changed": true,
      "original_price": {
        "amount": 123,
        "value": 41250,
        "currency": "USD",
        "decimal_places": 2
      },
      "required_attributes": {
        "source": "provider",
        "per_passenger": [
          "PassportNumber",
          "PassportExpiryDate",
          "DateOfBirth"
        ],
        "booking": [
          "BillingAddress",
          "PostCode"
        ],
        "per_passenger_conditional": [
          "Nationality"
        ],
        "booking_conditional": [
          "<string>"
        ]
      },
      "hotel_terms": {
        "terms_as_of": "search",
        "taxes_breakdown": [
          {
            "amount": 164.49,
            "currency": "EUR",
            "description": "19, VAT National taxes on accommodation",
            "included": true
          }
        ],
        "cancellation_schedule": [
          {
            "cancel_time": "2026-08-18T10:00:00+02:00",
            "amount": 606.13,
            "currency": "EUR",
            "type": "amount"
          }
        ],
        "free_cancellation_until": "2026-08-18T10:00:00+02:00",
        "is_refundable": false,
        "board_type": "RO",
        "board_name": "Room Only",
        "payment_types": [
          "NUITEE_PAY"
        ],
        "room_name": "Superior Double",
        "room_capacity": 2
      }
    }
  ],
  "agent_spt_params": {
    "max_amount": 259449,
    "currency": "USD",
    "stripe_profile": "<string>",
    "expires_at": "2026-06-10T13:04:56Z"
  }
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "<string>",
    "doc_url": "<string>"
  }
}

{
  "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": "PRICE_CHANGED",
    "message": "1 item was re-priced between the quote and checkout.",
    "doc_url": "https://docs.gojinko.com/concepts/errors"
  },
  "items": [
    {
      "item_id": "itm_4b91c2",
      "price": {
        "amount": 210.4,
        "currency": "USD"
      },
      "original_price": {
        "amount": 188.65,
        "currency": "USD"
      }
    }
  ]
}

{
  "error": {
    "code": "BAD_REQUEST",
    "message": "<string>",
    "doc_url": "<string>"
  }
}

{
  "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"
  }
}