curl --request POST \
  --url {protocol}://{host}/wp-json/cocart/v2/cart/clear \
  --header 'Content-Type: application/json' \
  --data '
{
  "keep_removed_items": false
}
'

import requests

url = "{protocol}://{host}/wp-json/cocart/v2/cart/clear"

payload = { "keep_removed_items": False }
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({keep_removed_items: false})
};

fetch('{protocol}://{host}/wp-json/cocart/v2/cart/clear', 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 => "{protocol}://{host}/wp-json/cocart/v2/cart/clear",
  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([
    'keep_removed_items' => false
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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 := "{protocol}://{host}/wp-json/cocart/v2/cart/clear"

	payload := strings.NewReader("{\n  \"keep_removed_items\": false\n}")

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

	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("{protocol}://{host}/wp-json/cocart/v2/cart/clear")
  .header("Content-Type", "application/json")
  .body("{\n  \"keep_removed_items\": false\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("{protocol}://{host}/wp-json/cocart/v2/cart/clear")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"keep_removed_items\": false\n}"

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

{
  "cart_hash": "<string>",
  "cart_key": "<string>",
  "currency": {
    "currency_code": "<string>",
    "currency_symbol": "<string>",
    "currency_symbol_pos": "<string>",
    "currency_minor_unit": 123,
    "currency_decimal_separator": "<string>",
    "currency_thousand_separator": "<string>",
    "currency_prefix": "<string>",
    "currency_suffix": "<string>"
  },
  "customer": {
    "billing_address": {
      "billing_first_name": "<string>",
      "billing_last_name": "<string>",
      "billing_company": "<string>",
      "billing_country": "<string>",
      "billing_address_1": "<string>",
      "billing_address_2": "<string>",
      "billing_postcode": "<string>",
      "billing_city": "<string>",
      "billing_state": "<string>",
      "billing_phone": "<string>",
      "billing_email": "<string>"
    },
    "shipping_address": {
      "shipping_first_name": "<string>",
      "shipping_last_name": "<string>",
      "shipping_company": "<string>",
      "shipping_country": "<string>",
      "shipping_address_1": "<string>",
      "shipping_address_2": "<string>",
      "shipping_postcode": "<string>",
      "shipping_city": "<string>",
      "shipping_state": "<string>"
    }
  },
  "items": {},
  "item_count": 123,
  "items_weight": 123,
  "coupons": [
    {
      "coupon": "<string>",
      "label": "<string>",
      "saving": "<string>",
      "saving_html": "<string>"
    }
  ],
  "needs_payment": true,
  "needs_shipping": true,
  "shipping": {
    "total_packages": 123,
    "show_package_details": true,
    "has_calculated_shipping": true,
    "packages": {}
  },
  "fees": [
    {
      "name": "<string>",
      "amount": 123,
      "taxable": true,
      "tax_class": "<string>",
      "total": 123,
      "tax": 123
    }
  ],
  "taxes": [
    {
      "rate_id": 123,
      "label": "<string>",
      "compound": true,
      "tax_total": "<string>",
      "shipping_tax_total": "<string>"
    }
  ],
  "totals": {
    "subtotal": "<string>",
    "subtotal_tax": "<string>",
    "shipping_total": "<string>",
    "shipping_tax": "<string>",
    "shipping_taxes": [
      123
    ],
    "discount_total": "<string>",
    "discount_tax": "<string>",
    "cart_contents_total": "<string>",
    "cart_contents_tax": "<string>",
    "cart_contents_taxes": [
      123
    ],
    "fee_total": "<string>",
    "fee_tax": "<string>",
    "fee_taxes": [
      123
    ],
    "total": "<string>",
    "total_tax": "<string>"
  },
  "removed_items": [
    {
      "key": "<string>",
      "product_id": 123,
      "quantity": 123,
      "name": "<string>"
    }
  ],
  "cross_sells": [
    {
      "id": 123,
      "product_name": "<string>",
      "product_title": "<string>",
      "price": "<string>",
      "regular_price": "<string>",
      "sale_price": "<string>",
      "product_image": "<string>"
    }
  ],
  "notices": {},
  "extensions": {}
}

{
  "code": "cocart_invalid_parameter",
  "message": "Invalid parameter provided.",
  "data": {
    "status": 400
  }
}

{
  "code": "cocart_clear_cart_failed",
  "message": "Clearing the cart failed.",
  "data": {
    "status": 406
  }
}