Update a subscription (PATCH)

curl --request PATCH \
  --url https://api.fluid.app/api/subscriptions/{token} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "subscription": {
    "quantity": 2,
    "address_id": 73518,
    "payment_method_id": 90412
  }
}
'

import requests

url = "https://api.fluid.app/api/subscriptions/{token}"

payload = { "subscription": {
        "quantity": 2,
        "address_id": 73518,
        "payment_method_id": 90412
    } }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({subscription: {quantity: 2, address_id: 73518, payment_method_id: 90412}})
};

fetch('https://api.fluid.app/api/subscriptions/{token}', 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/subscriptions/{token}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'subscription' => [
        'quantity' => 2,
        'address_id' => 73518,
        'payment_method_id' => 90412
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.fluid.app/api/subscriptions/{token}"

	payload := strings.NewReader("{\n  \"subscription\": {\n    \"quantity\": 2,\n    \"address_id\": 73518,\n    \"payment_method_id\": 90412\n  }\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.patch("https://api.fluid.app/api/subscriptions/{token}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"subscription\": {\n    \"quantity\": 2,\n    \"address_id\": 73518,\n    \"payment_method_id\": 90412\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/subscriptions/{token}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"subscription\": {\n    \"quantity\": 2,\n    \"address_id\": 73518,\n    \"payment_method_id\": 90412\n  }\n}"

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

{
  "subscription": {
    "id": 184305,
    "address": {
      "id": 73518,
      "address1": "18 Main Street",
      "address2": null,
      "address3": null,
      "city": "Nashua",
      "country_code": "US",
      "country_num_code": 840,
      "default": true,
      "name": "Holly Flax",
      "phone": "+16035550147",
      "postal_code": "03060",
      "state": "NH",
      "subdivision_code": null
    },
    "address_id": 73518,
    "attempts": 0,
    "auto_apply_points": false,
    "baked_discounts": [],
    "base_recurring_price": 54.99,
    "billing_cycle_limit_reached": false,
    "bundled_items": [],
    "bundled_subscriptions": [],
    "cancelled_at": null,
    "company": {
      "id": 1405,
      "name": "Dunder Mifflin Paper Company"
    },
    "country": {
      "id": 214,
      "iso": "US",
      "name": "United States"
    },
    "created_at": "2026-09-02T15:24:51Z",
    "currency": {
      "id": 1,
      "active": true,
      "code": "USD",
      "name": "United States Dollar",
      "rate": "1.0",
      "symbol": "$"
    },
    "customer": {
      "id": 48213,
      "account_id": "DM-48213",
      "active": true,
      "addresses": [
        {
          "id": 73518,
          "address1": "18 Main Street",
          "address2": null,
          "address3": null,
          "city": "Nashua",
          "country_code": "US",
          "country_num_code": 840,
          "default": true,
          "name": "Holly Flax",
          "phone": "+16035550147",
          "postal_code": "03060",
          "state": "NH",
          "subdivision_code": null
        }
      ],
      "created_at": "2026-09-02T15:18:44Z",
      "customer_notes": [],
      "default_address": {
        "id": 73518,
        "address1": "18 Main Street",
        "address2": null,
        "address3": null,
        "city": "Nashua",
        "country_code": "US",
        "country_num_code": 840,
        "default": true,
        "name": "Holly Flax",
        "phone": "+16035550147",
        "postal_code": "03060",
        "state": "NH",
        "subdivision_code": null
      },
      "display_total_spent": "$164.97 (USD)",
      "email": "holly.flax@gmail.com",
      "email_marketing": true,
      "external_id": null,
      "first_name": "Holly",
      "full_name": "Holly Flax",
      "is_discarded": false,
      "is_rep": false,
      "last_name": "Flax",
      "last_order_id": null,
      "metadata": {},
      "name": "Holly Flax",
      "notes": null,
      "orders_count": 3,
      "payment_methods": [
        {
          "id": 90412,
          "company_id": 1405,
          "created_at": "2026-09-02T15:21:08Z",
          "logo_url": "https://assets.fluid.app/images/payment_icons/visa.svg",
          "payment_title": "Credit Card",
          "source": "card",
          "updated_at": "2026-09-02T15:21:08Z",
          "user_id": null
        }
      ],
      "phone": "+16035550147",
      "role": "customer",
      "sales_tax_id": null,
      "sms_marketing": false,
      "tax_exempt": false,
      "total_spent": "164.97",
      "user_company_id": 48213,
      "verified_email": true
    },
    "customer_notes": [
      {
        "id": 5582,
        "created_at": "2026-09-12T14:03:27Z",
        "customer_id": 48213,
        "note": "Customer asked to move deliveries to the first half of the month.",
        "resource_id": 184305,
        "resource_type": "Commerce::Subscription",
        "user_company": {
          "id": 20417,
          "first_name": "Dwight",
          "last_name": "Schrute",
          "full_name": "Dwight Schrute",
          "email": "dwight.schrute@dundermifflin.com",
          "image_url": "https://cdn.fluid.app/dunder-mifflin/avatars/dwight-schrute.jpg"
        },
        "user_company_id": 20417
      }
    ],
    "cv": "40.0",
    "cv_total": "80.0",
    "decline_count": 0,
    "digital": false,
    "disabled": false,
    "last_bill_date": "2026-09-02T15:24:51Z",
    "last_failed_at": null,
    "last_ship_date": null,
    "max_skips": null,
    "next_bill_date": "2026-10-02T14:00:00Z",
    "next_retry_at": null,
    "next_ship_date": "2026-10-03T14:00:00Z",
    "notes": null,
    "orders": [],
    "original_price": 54.99,
    "payment_method": {
      "id": 90412,
      "au_status": null,
      "billing_address": null,
      "created_at": "2026-09-02T15:21:08Z",
      "default": true,
      "details": {
        "id": 90412,
        "type": "CreditCard",
        "card_network": "visa",
        "card_brand": "Visa",
        "last4_digits": "4242",
        "last_four": "4242",
        "exp_month": "11",
        "exp_year": "2029",
        "logo_url": "https://assets.fluid.app/images/payment_icons/visa.svg",
        "vgs_card_id": null,
        "requires_3ds": false
      },
      "payment_title": "Credit Card",
      "payment_type": "Credit Card",
      "source": "card",
      "updated_at": "2026-09-02T15:21:08Z"
    },
    "price": 49.99,
    "quantity": 2,
    "qv": "40.0",
    "qv_total": "80.0",
    "renewal_discount_total": 0,
    "skipped_count": 0,
    "status": "active",
    "subscription_discounts": [],
    "subscription_plan": {
      "id": 3127,
      "active": true,
      "allow_max_billing_cycles": false,
      "allow_skipping": true,
      "apply_to_volume": true,
      "billing_frequency_in_words": "1 month",
      "billing_interval": 1,
      "billing_interval_unit": "month",
      "company_default": true,
      "created_at": "2026-09-01T13:00:00Z",
      "max_billing_cycles": null,
      "max_skips": 2,
      "name": "Monthly Paper Delivery",
      "price_adjustment_amount": 5,
      "price_adjustment_type": "fixed_amount",
      "products_count": 4,
      "savings_display_mode": "amount",
      "shipping_interval": 1,
      "shipping_interval_unit": "month",
      "split_volume": false,
      "subscribers_count": 212,
      "trial_period": null,
      "trial_period_unit": null,
      "updated_at": "2026-09-01T13:00:00Z",
      "volume_interval": 1,
      "volume_interval_unit": "month"
    },
    "subscription_skips": [],
    "subscription_token": "sb_3f9a1c7e5b2d4086",
    "successful_billing_cycles": 1,
    "timezone": "America/New_York",
    "updated_at": "2026-09-30T13:20:44Z",
    "variant": {
      "id": 61842,
      "currency_code": "USD",
      "display_name": null,
      "image_path": null,
      "image_url": null,
      "options": [],
      "price": "54.99",
      "price_in_currency": "$54.99",
      "primary_image": null,
      "product": {
        "id": 20931,
        "canonical_url": "https://shop.dundermifflin.com/products/20lb-copy-paper",
        "cv": "40.0",
        "cv_in_currency": "$40.00",
        "external_id": null,
        "image_path": null,
        "image_url": "https://cdn.fluid.app/dunder-mifflin/products/20lb-copy-paper.jpg",
        "introduction": null,
        "metadata": {},
        "metafields": [],
        "price": "54.99",
        "price_in_currency": "$54.99",
        "sku": "DM-20LB",
        "tax": "0.0",
        "tax_in_currency": "$0.00",
        "title": "Dunder Mifflin 20lb Copy Paper"
      },
      "sku": "DM-20LB-CASE",
      "title": null
    },
    "volume_rep": {
      "id": 20417,
      "email": "dwight.schrute@dundermifflin.com",
      "full_name": "Dwight Schrute",
      "image_url": "https://cdn.fluid.app/dunder-mifflin/avatars/dwight-schrute.jpg",
      "external_id": "DM-REP-0007"
    },
    "volume_rep_member_id": "3b8e2f41-9c6d-4a7e-b215-6f0d8c3a9e74"
  },
  "resolved_subscription_tokens": [
    "sb_3f9a1c7e5b2d4086"
  ],
  "changed_subscription_tokens": [
    "sb_3f9a1c7e5b2d4086"
  ],
  "meta": {
    "request_id": "1f7c3a95-8e2d-4b60-9a14-5c3e7d2b8f61",
    "timestamp": "2026-09-30T13:20:44Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "<string>",
    "blocked_date": "2026-11-30",
    "blocked_day": 30,
    "allowed_date": "2026-11-28",
    "payment_uuid": "<string>",
    "error_details": [
      {
        "code": "<string>",
        "field": "<string>",
        "payment": "not_attempted",
        "message": "<string>"
      }
    ],
    "coded_recovery": true
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "<string>",
    "blocked_date": "2026-11-30",
    "blocked_day": 30,
    "allowed_date": "2026-11-28",
    "payment_uuid": "<string>",
    "error_details": [
      {
        "code": "<string>",
        "field": "<string>",
        "payment": "not_attempted",
        "message": "<string>"
      }
    ],
    "coded_recovery": true
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z",
    "code": "<string>",
    "blocked_date": "2026-11-30",
    "blocked_day": 30,
    "allowed_date": "2026-11-28",
    "payment_uuid": "<string>",
    "error_details": [
      {
        "code": "<string>",
        "field": "<string>",
        "payment": "not_attempted",
        "message": "<string>"
      }
    ],
    "coded_recovery": true
  }
}

{
  "error_message": "We can't calculate tax for this order right now. Please try again in a few minutes.",
  "errors": {
    "subscription": [
      "We can't calculate tax for this order right now. Please try again in a few minutes."
    ]
  },
  "meta": {
    "request_id": "2e8c5a19-6f3d-4b70-9d41-a7c3e1b5f862",
    "timestamp": "2026-10-30T12:00:00Z",
    "code": "tax_quote_unavailable"
  }
}