Unsubscribe a cart item

curl --request DELETE \
  --url https://api.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription

import requests

url = "https://api.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription"

response = requests.delete(url)

print(response.text)

const options = {method: 'DELETE'};

fetch('https://api.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription', 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.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "DELETE",
]);

$response = curl_exec($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 := "https://api.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription"

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

	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.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/checkout/v2026-04/carts/{cart_token}/items/{item_id}/subscription")

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

request = Net::HTTP::Delete.new(url)

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

{
  "cart": {
    "id": 482913,
    "cart_token": "ct_4mK8vQ2nR7xT9pL3wY6zBd",
    "state": "start",
    "state_revision": 5,
    "population_status": "complete",
    "type": "regular",
    "enrollment": false,
    "email": "holly.flax@dundermifflin.com",
    "phone": "+15705550142",
    "language_iso": "en",
    "currency_code": "USD",
    "currency_symbol": "$",
    "currency_decimal_places": 2,
    "customer_id": 58201,
    "buyer_rep_id": 3017,
    "enrollment_pack_id": null,
    "enrollment_member_type": null,
    "processed": false,
    "email_marketing": true,
    "sms_marketing": false,
    "auto_apply_points": false,
    "cv_total": "40.0",
    "qv_total": "40.0",
    "amount_total": 126.77,
    "sub_total": 109.98,
    "tax_total": 8.8,
    "shipping_total": 7.99,
    "discount_total": 0,
    "subtotal_after_discounts": 109.98,
    "transaction_fee": 0,
    "enrollment_fee": 0,
    "inclusive_shipping_tax": 0,
    "shipping_discount": 0,
    "remaining_cart_amount_after_points": 126.77,
    "amount_total_in_currency": "$126.77",
    "sub_total_in_currency": "$109.98",
    "tax_total_in_currency": "$8.80",
    "shipping_total_in_currency": "$7.99",
    "discount_total_in_currency": "$0.00",
    "subtotal_after_discounts_in_currency": "$109.98",
    "transaction_fee_in_currency": "$0.00",
    "enrollment_fee_in_currency": "$0.00",
    "customer_total_points_in_currency": "$12.50",
    "points_applied_amount_in_currency": "$0.00",
    "remaining_customer_points_amount_in_currency": "$12.50",
    "remaining_cart_amount_after_points_in_currency": "$126.77",
    "tax_total_for_display": "$8.80",
    "shipping_total_for_display": "$7.99",
    "tax_exempt": false,
    "digital_only": false,
    "immutable_items": false,
    "points_enabled": true,
    "price_inclusive_of_tax": false,
    "requires_3ds": false,
    "requires_payment_method": true,
    "vault_without_charge": false,
    "valid_for_checkout": false,
    "valid_for_checkout_pre_payment": true,
    "checkout_blockers": [],
    "contains_subscription": false,
    "payment_method_auto_assignable": false,
    "payment_unavailable_reason": null,
    "customer_total_points": 1250,
    "points_applied": 0,
    "remaining_customer_points": 1250,
    "max_applicable_points": 1250,
    "total_creditable_points": 110,
    "totals": {
      "gross_subtotal": "109.98",
      "gross_subtotal_in_currency": "$109.98",
      "net_subtotal": "109.98",
      "net_subtotal_in_currency": "$109.98",
      "item_tax": "8.80",
      "item_tax_in_currency": "$8.80",
      "shipping_net": "7.99",
      "shipping_net_in_currency": "$7.99",
      "shipping_tax": "0.00",
      "shipping_tax_in_currency": "$0.00",
      "total_tax": "8.80",
      "total_tax_in_currency": "$8.80",
      "price_inclusive_of_tax": false,
      "tax_label": null
    },
    "price_inclusive_tax_name": null,
    "payment_account": null,
    "discount_codes": [],
    "product_discount_codes": [],
    "shipping_discount_codes": [],
    "buyer_rep": {
      "id": 3017,
      "email": "dwight.schrute@dundermifflin.com",
      "full_name": "Dwight Schrute",
      "image_url": "https://cdn.fluid.app/companies/1405/members/dwight-schrute.jpg",
      "external_id": "DM-REP-0042"
    },
    "buyer_rep_member_id": "8d2f6b1a-4c3e-4f7a-9b15-2e6c0a9d7f41",
    "volume_rep": null,
    "volume_rep_member_id": null,
    "shipping_method": {
      "id": "61842",
      "name": "Standard Ground"
    },
    "discount_breakdown": {
      "internal_discounts": 0,
      "external_discounts": 0,
      "total_discounts": 0
    },
    "available_shipping_methods": [
      {
        "id": "61842",
        "title": "Standard Ground",
        "price": 7.99,
        "delivery_time_estimate": "3-5 business days",
        "price_label": "$7.99"
      },
      {
        "id": "61843",
        "title": "Two-Day Express",
        "price": 19.99,
        "delivery_time_estimate": "1-2 business days",
        "price_label": "$19.99"
      }
    ],
    "metadata": {},
    "messages": {},
    "payment_method": null,
    "available_payment_methods": [
      {
        "id": 3308,
        "uuid": "pa_7Hq2Wd9LmR4xVb6NcTe3Kp",
        "type": "credit_card",
        "name": "Credit Card",
        "image_url": "https://cdn.fluid.app/payment_icons/generic.svg",
        "test": false,
        "sandbox": false,
        "supported_brands": [
          "visa",
          "mastercard",
          "amex",
          "discover"
        ],
        "token_provider": "vgs",
        "bogus_gateway": false,
        "apple_pay": false,
        "apple_pay_recurring_supported": false,
        "apple_pay_merchant_identifier": null,
        "customer_details_schema": {},
        "collect_billing_address": true
      }
    ],
    "external_discount": {
      "total": 0,
      "calculated_at": null,
      "sources": {}
    },
    "shipping_address": {
      "name": "Holly Flax",
      "address1": "1725 Slough Avenue",
      "address2": "Suite 200",
      "address3": null,
      "city": "Scranton",
      "state": "PA",
      "postal_code": "18505",
      "country_code": "US",
      "subdivision_code": "US-PA",
      "phone": "+15705550142"
    },
    "billing_address": {
      "name": "Holly Flax",
      "address1": "1725 Slough Avenue",
      "address2": "Suite 200",
      "address3": null,
      "city": "Scranton",
      "state": "PA",
      "postal_code": "18505",
      "country_code": "US",
      "subdivision_code": "US-PA",
      "phone": "+15705550142"
    },
    "items": [
      {
        "id": 731284,
        "allow_subscription": true,
        "bundled_items": [],
        "creditable_points": 55,
        "cv": "20.0",
        "cv_total": "40.0",
        "discount_amount": "0.0",
        "discount_amount_in_currency": "$0.00",
        "display_to_customer": true,
        "enrollment": false,
        "enrollment_pack_id": null,
        "errors": [],
        "free_item": false,
        "image_url": "https://cdn.fluid.app/companies/1405/products/20lb-copy-paper.jpg",
        "line_total_after_discounts_in_currency": "$109.98",
        "line_total_in_currency": "$109.98",
        "metadata": {},
        "price": "54.99",
        "price_in_currency": "$54.99",
        "product": {
          "id": 48213,
          "canonical_url": "https://shop.dundermifflin.com/products/20lb-copy-paper",
          "cv": "20",
          "external_id": null,
          "image_path": "companies/1405/products/20lb-copy-paper.jpg",
          "image_url": "https://cdn.fluid.app/companies/1405/products/20lb-copy-paper.jpg",
          "introduction": "Ten reams of bright white 20lb multipurpose paper per case.",
          "metadata": {},
          "metafields": [],
          "metafields_collection": [],
          "price": "54.99",
          "price_in_currency": "$54.99",
          "sku": "DM-20LB-CASE",
          "subscription_price": "49.49",
          "tax": "0.0",
          "tax_in_currency": "$0.00",
          "title": "Dunder Mifflin 20lb Copy Paper"
        },
        "product_title": "Dunder Mifflin 20lb Copy Paper",
        "quantity": 2,
        "qv": "20.0",
        "qv_total": "40.0",
        "regular_line_total_in_currency": "$109.98",
        "subscribe_and_save": null,
        "subscribe_and_save_for_display": null,
        "subscribe_and_save_in_currency": null,
        "subscription": false,
        "subscription_interval": null,
        "subscription_interval_unit": null,
        "subscription_interval_unit_identifier": null,
        "subscription_only": false,
        "subscription_plan_id": null,
        "subscription_plans": [],
        "subscription_price": "49.49",
        "subscription_price_in_currency": "$49.49",
        "subscription_start": null,
        "tax": "0.0",
        "tax_in_currency": "$0.00",
        "title": "Dunder Mifflin 20lb Copy Paper",
        "total": "109.98",
        "total_after_discounts": "109.98",
        "total_after_discounts_in_currency": "$109.98",
        "total_in_currency": "$109.98",
        "unit_price_display_authoritative": true,
        "variant": {
          "id": 90731,
          "currency_code": "USD",
          "display_name": "Dunder Mifflin 20lb Copy Paper - Case of 10 reams",
          "height": 11,
          "hs_code": "4802.56",
          "image_path": "companies/1405/products/20lb-copy-paper.jpg",
          "image_url": "https://cdn.fluid.app/companies/1405/products/20lb-copy-paper.jpg",
          "length": 17.5,
          "options": [
            {
              "title": "Pack size",
              "value": "Case of 10 reams"
            }
          ],
          "physical": true,
          "price": "54.99",
          "price_in_currency": "$54.99",
          "primary_image": "https://cdn.fluid.app/companies/1405/products/20lb-copy-paper.jpg",
          "sku": "DM-20LB-CASE",
          "title": "Case of 10 reams",
          "unit_of_size": "in",
          "unit_of_weight": "lb",
          "weight": "50.0",
          "width": 11.5
        }
      }
    ],
    "ship_to": {
      "id": 1054268,
      "address1": "1725 Slough Avenue",
      "address2": "Suite 200",
      "address3": null,
      "city": "Scranton",
      "country_code": "US",
      "country_num_code": 840,
      "default": true,
      "name": "Holly Flax",
      "phone": "+15705550142",
      "postal_code": "18505",
      "state": "PA",
      "subdivision_code": "US-PA"
    },
    "bill_to": {
      "id": 1054268,
      "address1": "1725 Slough Avenue",
      "address2": "Suite 200",
      "address3": null,
      "city": "Scranton",
      "country_code": "US",
      "country_num_code": 840,
      "default": true,
      "name": "Holly Flax",
      "phone": "+15705550142",
      "postal_code": "18505",
      "state": "PA",
      "subdivision_code": "US-PA"
    },
    "attribution": {
      "id": 91877,
      "username": "dwight-schrute"
    },
    "agreements": [
      {
        "id": 5521,
        "default_checked": false,
        "enrollment_pack_id": null,
        "required": true,
        "show_at_checkout": true,
        "show_path": "/api/agreements/5521",
        "standalone_on_checkout": false,
        "subscription_only": false,
        "title": "Dunder Mifflin Terms of Sale"
      }
    ],
    "country": {
      "id": 233,
      "currency_code": "USD",
      "currency_symbol": "$",
      "iso": "US",
      "iso3": "USA",
      "iso_name": "UNITED STATES",
      "name": "United States",
      "price_inclusive_of_tax": false,
      "price_inclusive_tax_name": "",
      "province_required": true,
      "tax_enabled": true,
      "tax_standard_rate": null
    },
    "company": {
      "id": 1405,
      "bundle_subscriptions": false,
      "checkout_primary_button_color": "#1F4E79",
      "checkout_primary_text_color": "#FFFFFF",
      "checkout_secondary_button_color": "#E7EEF5",
      "checkout_secondary_text_color": "#1F4E79",
      "collect_email_marketing": true,
      "collect_phone": true,
      "collect_sms_marketing": false,
      "favicon_url": "https://cdn.fluid.app/companies/1405/favicon.png",
      "fluid_shop": "dunder-mifflin.fluid.app",
      "hide_volume_on_customer_surfaces": false,
      "isolated_payment_tokens": false,
      "kount_client_id": null,
      "kount_environment": "production",
      "logo_url": "https://cdn.fluid.app/companies/1405/logo.png",
      "name": "Dunder Mifflin Paper Company",
      "order_on_behalf": true,
      "primary_domain_hostname": "shop.dundermifflin.com",
      "require_billing_zip": true,
      "require_phone": false,
      "reward_points_apply_to_subtotal": true,
      "reward_points_enabled": true,
      "reward_points_label_plural": "Schrute Bucks",
      "reward_points_label_singular": "Schrute Buck",
      "subdomain": "dunder-mifflin"
    },
    "recurring": [],
    "enrollment_pack": null
  },
  "meta": {
    "request_id": "6f1c2a9e-3b7d-4e58-9a21-c4d8e0b7f312",
    "timestamp": "2026-09-14T15:22:08Z",
    "checkout_url": "https://checkout.fluid.app/checkouts/ct_4mK8vQ2nR7xT9pL3wY6zBd?fluid_shop=dunder-mifflin",
    "shop_url": "https://shop.dundermifflin.com/"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "payment_in_progress",
    "shop_url": "<string>",
    "cart": "<unknown>"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "shop_url": "<string>",
    "cart": "<unknown>"
  }
}

{
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}