curl --request DELETE \
  --url https://api.example.com/api/dashboard/collections/{collection_id}/products \
  --header 'Content-Type: application/json' \
  --data '
{
  "product_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}
'

import requests

url = "https://api.example.com/api/dashboard/collections/{collection_id}/products"

payload = { "product_ids": ["3c90c3cc-0d44-4b50-8888-8dd25736052a"] }
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'DELETE',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({product_ids: ['3c90c3cc-0d44-4b50-8888-8dd25736052a']})
};

fetch('https://api.example.com/api/dashboard/collections/{collection_id}/products', 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/api/dashboard/collections/{collection_id}/products",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
  CURLOPT_POSTFIELDS => json_encode([
    'product_ids' => [
        '3c90c3cc-0d44-4b50-8888-8dd25736052a'
    ]
  ]),
  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 := "https://api.example.com/api/dashboard/collections/{collection_id}/products"

	payload := strings.NewReader("{\n  \"product_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ]\n}")

	req, _ := http.NewRequest("DELETE", 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.delete("https://api.example.com/api/dashboard/collections/{collection_id}/products")
  .header("Content-Type", "application/json")
  .body("{\n  \"product_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/api/dashboard/collections/{collection_id}/products")

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

request = Net::HTTP::Delete.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"product_ids\": [\n    \"3c90c3cc-0d44-4b50-8888-8dd25736052a\"\n  ]\n}"

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

{
  "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "merchant_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "title": "<string>",
  "description": "<string>",
  "handle": "<string>",
  "type": "<string>",
  "image_url": "<string>",
  "sort_order": "<string>",
  "published": true,
  "published_at": "2023-11-07T05:31:56Z",
  "products_count": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "products": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "merchant_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "slug": "<string>",
      "description": "<string>",
      "vendor": "<string>",
      "product_type": "<string>",
      "tags": [
        "<string>"
      ],
      "price": "<string>",
      "compare_at_price": "<string>",
      "cost_per_item": "<string>",
      "currency": "<string>",
      "images": [
        {}
      ],
      "has_variants": true,
      "options": [
        {}
      ],
      "variants": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "product_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "sku": "<string>",
          "barcode": "<string>",
          "option1": "<string>",
          "option2": "<string>",
          "option3": "<string>",
          "price": "<string>",
          "compare_at_price": "<string>",
          "cost_per_item": "<string>",
          "inventory_quantity": 123,
          "inventory_policy": "<string>",
          "low_stock_threshold": 123,
          "weight": "<string>",
          "weight_unit": "<string>",
          "requires_shipping": true,
          "image_url": "<string>",
          "available": true,
          "is_low_stock": true,
          "is_out_of_stock": true,
          "created_at": "2023-11-07T05:31:56Z",
          "updated_at": "2023-11-07T05:31:56Z"
        }
      ],
      "track_inventory": true,
      "total_inventory": 123,
      "in_stock": true,
      "status": "<string>",
      "published_at": "2023-11-07T05:31:56Z",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}