curl --request GET \
  --url http://127.0.0.1:8080/v1/c/contract/{contract_id} \
  --header 'wb-key: <api-key>'

import requests

url = "http://127.0.0.1:8080/v1/c/contract/{contract_id}"

headers = {"wb-key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'wb-key': '<api-key>'}};

fetch('http://127.0.0.1:8080/v1/c/contract/{contract_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_PORT => "8080",
  CURLOPT_URL => "http://127.0.0.1:8080/v1/c/contract/{contract_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "wb-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"
	"net/http"
	"io"
)

func main() {

	url := "http://127.0.0.1:8080/v1/c/contract/{contract_id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("wb-key", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("http://127.0.0.1:8080/v1/c/contract/{contract_id}")
  .header("wb-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("http://127.0.0.1:8080/v1/c/contract/{contract_id}")

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

request = Net::HTTP::Get.new(url)
request["wb-key"] = '<api-key>'

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

{
  "billing_information": {
    "current_period": {
      "end": "2023-11-07T05:31:56Z",
      "start": "2023-11-07T05:31:56Z"
    },
    "current_period_idx": 123
  },
  "contract_summary": {
    "amount": "<string>",
    "billing_information": {
      "current_period": {
        "end": "2023-11-07T05:31:56Z",
        "start": "2023-11-07T05:31:56Z"
      },
      "current_period_idx": 123
    },
    "configuration": {
      "automatic_payment": true,
      "invoice_trigger": "immediate"
    },
    "cost_estimates": {
      "custom_cycle_charges": {
        "periodic_daily": {
          "cycle_start_charges": "<string>",
          "extra_cycle_end_charges": "<string>",
          "minimum_usage": "<string>"
        },
        "periodic_monthly": {
          "cycle_start_charges": "<string>",
          "extra_cycle_end_charges": "<string>",
          "minimum_usage": "<string>"
        },
        "periodic_quarterly": {
          "cycle_start_charges": "<string>",
          "extra_cycle_end_charges": "<string>",
          "minimum_usage": "<string>"
        },
        "periodic_weekly": {
          "cycle_start_charges": "<string>",
          "extra_cycle_end_charges": "<string>",
          "minimum_usage": "<string>"
        },
        "periodic_yearly": {
          "cycle_start_charges": "<string>",
          "extra_cycle_end_charges": "<string>",
          "minimum_usage": "<string>"
        }
      },
      "on_demand_price": {
        "cycle_start_charges": "<string>",
        "extra_cycle_end_charges": "<string>",
        "minimum_usage": "<string>"
      },
      "one_time_price": {
        "cycle_start_charges": "<string>",
        "extra_cycle_end_charges": "<string>",
        "minimum_usage": "<string>"
      },
      "recurring_price": {
        "cycle_start_charges": "<string>",
        "extra_cycle_end_charges": "<string>",
        "minimum_usage": "<string>"
      }
    },
    "customer": "<string>",
    "customer_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "cycle_start_offset": 1,
    "free_cycles": 1,
    "id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "plan": "<string>",
    "plan_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "plan_internal_name": "<string>",
    "activation": "2023-11-07T05:31:56Z",
    "created": "2023-11-07T05:31:56Z",
    "expiration": "2023-11-07T05:31:56Z",
    "free_trial_end": "2023-11-07T05:31:56Z",
    "next_cycle_start": "2023-11-07T05:31:56Z",
    "plan_external_name": "<string>",
    "pricing_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670"
  },
  "plan": {
    "features": [
      {
        "id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
        "name": "<string>",
        "slug": "<string>",
        "original_feature_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
        "price": {
          "amount": "<string>",
          "strategy_details": {
            "pricing_strategy": "flat"
          },
          "free_cycles": 1,
          "tax_code": "<string>",
          "total_charge_estimate": {
            "subtotal": "<string>",
            "total": "<string>"
          }
        }
      }
    ],
    "free_trial_days": 1,
    "id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "internal_name": "<string>",
    "name": "<string>",
    "slug": "<string>",
    "description": "<string>",
    "external_name": "<string>",
    "original_plan_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "price": {
      "amount": "<string>",
      "strategy_details": {
        "pricing_strategy": "flat"
      },
      "free_cycles": 1,
      "tax_code": "<string>",
      "total_charge_estimate": {
        "subtotal": "<string>",
        "total": "<string>"
      }
    }
  },
  "discount": {
    "amount": "<string>",
    "contract_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "duration": 123,
    "id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670",
    "name": "<string>",
    "slug": "<string>",
    "original_discount_id": "Cust_c40bea18-c0c9-44b1-bd0c-43f5283e1670"
  }
}