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POST
/
v1
/
subscriptions
/
{subscriptionId}
/
cancel
Cancel a subscription
curl --request POST \
  --url https://api-eu.flexportal.io/v1/subscriptions/{subscriptionId}/cancel \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Tenant-ID: <tenant-id>' \
  --data '
{
  "rentalId": "<string>",
  "notes": "<string>"
}
'
{
  "success": true,
  "rentalId": "<string>",
  "assetSerialNumber": "<string>",
  "previousStatus": "active",
  "cancelledAt": "<string>",
  "message": "<string>"
}

​
Overview

Cancel an active subscription. Use this when a customer wants to terminate their subscription without going through the normal end-of-contract flow. Unlike early return, cancellation doesn’t immediately trigger a device return.

​
When to Use Cancellation

ScenarioUse This
Customer requests terminationCancel
Repeated payment failuresCancel
Fraud detectedCancel
Customer wants device back immediatelyEarly Return
Customer wants to purchase deviceBuyout

​
Request Fields

FieldRequiredDescription
rentalIdYesThe subscription ID to cancel
reasonYesCancellation reason (see options below)
notesNoAdditional notes (max 1000 chars)

​
Reason Options

ReasonWhen to Use
customer_requestCustomer asked to end subscription
payment_failureRepeated failed payment attempts
fraudFraudulent activity detected
admin_decisionInternal business decision
otherOther reasons (specify in notes)

​
Example Request

{
  "rentalId": "sub_abc123",
  "reason": "customer_request",
  "notes": "Customer relocating internationally"
}

​
What Happens

When you cancel a subscription:
  1. Subscription status changes to cancelled
  2. Future payments are voided
  3. Asset marked for return collection
  4. Cancellation logged with reason and timestamp

​
Response Fields

FieldDescription
successAlways true on success
rentalIdThe cancelled subscription ID
assetSerialNumberSerial number of device to collect

​
Example: Cancel with Payment Failure

async function cancelForNonPayment(subscriptionId, failedAttempts) {
  const subscription = await getSubscription(subscriptionId);

  return await cancelSubscription(subscriptionId, {
    rentalId: subscriptionId,
    reason: 'payment_failure',
    notes: `Cancelled after ${failedAttempts} failed payment attempts`
  });
}

​
Example: Customer-Initiated Cancellation

async function processCancellationRequest(subscriptionId, customerReason) {
  // Log the cancellation
  await cancelSubscription(subscriptionId, {
    rentalId: subscriptionId,
    reason: 'customer_request',
    notes: customerReason
  });

  // Schedule device collection
  const subscription = await getSubscription(subscriptionId);
  await scheduleCollection(subscription.assetSerialNumber, subscription.customerId);
}

​
Cancellation vs Early Return

AspectCancelEarly Return
Primary useAdministrative terminationCustomer-initiated return
Device returnScheduled separatelyImmediate return expected
FeesNo automatic feeMay include early return fee
Typical scenariosPayment issues, fraudCustomer doesn’t want device

​
Error Handling

Error CodeCauseSolution
NOT_FOUNDSubscription doesn’t existVerify subscription ID
ALREADY_CANCELLEDSubscription already cancelledNo action needed
ALREADY_ENDEDSubscription already endedCannot cancel completed subscriptions

Authorizations

​
Authorization
string
header
required

API key obtained from FlexPortal dashboard

Headers

​
Tenant-ID
string
required

Your tenant identifier

Path Parameters

​
subscriptionId
string
required

The subscription ID

Body

application/json
​
rentalId
string
required
Minimum string length: 1
​
reason
enum<string>
required
Available options:
customer_request,
payment_failure,
fraud,
admin_decision,
other
​
notes
string
Maximum string length: 1000

Response

Subscription cancelled

​
success
enum<boolean>
required
Available options:
true
​
rentalId
string
required
​
assetSerialNumber
string
required
​
previousStatus
enum<string>
required
Available options:
active
​
cancelledAt
string
required
​
message
string
required