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> For a complete documentation index, see https://developer.fortresstech.io/llms.txt.
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# Delete Customer

DELETE https://api.fortresstech.io/v1/customers/{customerId}

Available by RequestRemove a customer from the system. This is typically used when a customer record needs to be deleted due to data correction or removal requests.This endpoint is part of our evolving API ecosystem.
To explore availability for your integration, please contact our team.

Reference: https://developer.fortresstech.io/api-reference/customers/delete-customer

## Authentication

- `x-api-key` header (required) — API Key authentication via header

## Request

### Path parameters

- `customerId` (string, required) — The id of the customer

## Response

### 200

Expected response to a valid request

- `firstName` (string, optional)
- `middleName` (string, optional)
- `lastName` (string, optional)
- `preferredName` (string, optional)
- `suffix` (string, optional)
- `birthDate` (date, optional)
- `status` (enum, optional)
  - Allowed values: `APPLICANT`, `RESIDENT`, `PRIOR`
- `email` (string, optional)
- `phone` (string, optional)
- `gender` (string, optional)
- `headOfHousehold` (boolean, optional) — Indicates whether the customer is the head of household
- `relationship` (enum, optional) — Relationship of the customer to the head of household (null for head of household)
  - Allowed values: `PARTNER`, `PARENT`, `ADULT_CHILD`, `ROOMMATE`, `CHILD`, `GUARANTOR`, `OTHER`
- `passportNumberLastFour` (string, optional, nullable) — Last 4 characters of the passport number, spaces and dashes removed. null when no passport number is on file or it has 4 characters or fewer. The full number is never returned.
- `passportCountry` (string, optional, nullable) — Name of the country that issued the passport (for example "United States"). null when no passport country is on file.
- `alienRegistrationNumberLastFour` (string, optional, nullable) — Last 4 characters of the alien registration number (A-Number), spaces and dashes removed. null when no number is on file or it has 4 characters or fewer. The full number is never returned.
- `citizenshipStatus` (string, optional, nullable) — HUD member citizenship code from the affordable certification: EC (citizen or national), EN (non-citizen with eligible immigration status), IC (ineligible non-citizen child of head or spouse), IN (ineligible non-citizen), IP (ineligible parent of head or spouse), ND (no documentation submitted), PV (eligibility pending verification), XX (not a family member, for example a foster). Only records on certifications that are not deleted count; when the applicant has more than one, the most recently updated one is used. null when none is recorded.
- `maritalStatus` (string, optional, nullable) — Marital status from the rental application as stored, for example single, married, divorced, separated or widowed. null when not answered.
- `spouseName` (string, optional, nullable) — Spouse full name from the rental application (first, middle and last name). null when no spouse is recorded.
- `studentType` (string, optional, nullable) — Student type code from the rental application: f_tK_12 (full-time, kindergarten to grade 12), f_tPost12 (full-time, after grade 12) or p_t (part-time); a few older applications hold free text such as Full-time or Part-Time. Returned as stored, even when the application does not mark the customer as a student. null when the answer is not a student (n_s, Not a student or No es estudiante) or the question was not answered.
- `currentAddressStreet` (string, optional, nullable) — First street line of the current address the customer gave on the rental application. null when no current address is on file or the line is blank.
- `currentAddressStreet2` (string, optional, nullable) — Second street line (apartment, suite, unit) of the current address from the rental application. null when blank or no current address is on file.
- `currentAddressCity` (string, optional, nullable) — City of the current address from the rental application. null when blank or no current address is on file.
- `currentAddressState` (string, optional, nullable) — Two-letter state or territory code of the current address from the rental application (for example "NY"). null when no state is on file or the stored value is not a known state or territory code.
- `currentAddressZipCode` (string, optional, nullable) — ZIP code of the current address from the rental application, as entered. null when blank or no current address is on file.
- `lenderName` (string, optional, nullable) — Name of the landlord or mortgage lender for the current address, as entered on the rental application. null when blank or no current address is on file.
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `householdId` (string, optional)
- `propertyId` (string, optional)
- `organizationId` (string, optional)
- `property` (properties_components-schemas-Base, optional)
- `household` (households_components-schemas-Base, optional)
- `attachments` (list of attachments_components-schemas-Base, optional)
- `workOrders` (list of workorders_components-schemas-Base, optional)
- `assets` (list of assets_components-schemas-Base, optional)
- `glEntries` (list of glEntries_components-schemas-Base, optional)
- `reversals` (list of reversals_components-schemas-Base, optional)
- `transactions` (list of transactions_components-schemas-Base, optional)

## Types

### properties_components-schemas-Base

- `name` (string, optional)
- `shortName` (string, optional)
- `email` (string, optional)
- `phone` (string, optional)
- `physicalStreetAddress1` (string, optional)
- `physicalStreetAddress2` (string, optional)
- `physicalCity` (string, optional)
- `physicalState` (string, optional)
- `physicalZip` (string, optional)
- `physicalCountry` (string, optional)
- `mailingStreetAddress1` (string, optional)
- `mailingStreetAddress2` (string, optional)
- `mailingCity` (string, optional)
- `mailingState` (string, optional)
- `mailingZip` (string, optional)
- `mailingCountry` (string, optional)
- `phoneNumber` (string, optional)
- `faxNumber` (string, optional)
- `timezone` (string, optional)
- `longitude` (double, optional)
- `latitude` (double, optional)
- `turnMoveOutDays` (integer, optional) — Number of days after move-out to calculate make ready date
- `status` (enum, optional, nullable) — Property lifecycle status. Fortress aggregates occupancy only for ACTIVE properties.
  - Allowed values: `ACTIVE`, `INACTIVE`, `PENDING`
- `propertyClass` (enum, optional, nullable) — The property's class. Null for properties with no class assigned.
  - Allowed values: `Conventional`, `Affordable`, `Mixed`
- `organizationId` (string, optional)
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `offboardedAt` (datetime, optional)
- `countyName` (string, optional)
- `acquisitionDate` (datetime, optional)

### households_components-schemas-Base

- `status` (enum, optional)
  - Allowed values: `APPLICANT`, `RESIDENT`, `PRIOR`
- `isUnderEviction` (boolean, optional)
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `currentUnitId` (string, optional) — Current unit the household is associated with. Set only when the lease is active
- `currentLeaseId` (string, optional) — Current active lease for the household.
- `applicationId` (string, optional)
- `organizationId` (string, optional)
- `propertyId` (string, optional)
- `currentCertificationId` (string, optional)
- `prospectId` (string, optional)
- `primaryCustomerId` (string, optional)
- `totalActiveRentAmount` (double, optional) — Sum of all active RENT monthly lease transactions for the household
- `totalActiveSubsidyAmount` (double, optional) — Sum of all active SUBRENT monthly lease transactions for the household
- `totalActiveFeesAmount` (double, optional) — Sum of all active non-optional fee (charge) monthly lease transactions for the household
- `unitId` (string, optional, deprecated) — Deprecated, use currentUnitId instead

### attachments_components-schemas-Base

- `name` (string, required)
- `url` (string, required) — Storage reference for the file. It is not fetchable. Request a short-lived link from `GET /workOrders/{workOrderId}/attachments/{attachmentId}/downloadUrl`.
- `type` (enum, required)
  - Allowed values: `ISSUE`, `AFTER_SERVICE`
- `createdAt` (datetime, required)
- `updatedAt` (datetime, required)
- `workOrderId` (string, required)
- `propertyId` (string, required)
- `organizationId` (string, required)
- `notes` (string, optional)
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `deletedAt` (datetime, optional)
- `householdId` (string, optional)
- `customerId` (string, optional)

### workorders_components-schemas-Base

- `status` (enum, optional)
  - Allowed values: `OPEN`, `COMPLETED`, `CANCELED`, `ON_HOLD`, `IN_PROGRESS`
- `priority` (enum, optional)
  - Allowed values: `LOW`, `MEDIUM`, `HIGH`, `URGENT`, `WARRANTY`
- `hasPetAlert` (boolean, optional)
- `completedAt` (datetime, optional)
- `requestorPhone` (string, optional, nullable)
- `requestorEmail` (string, optional, nullable)
- `requestedStartDateFrom` (date, optional)
- `requestedStartDateTo` (date, optional)
- `requestedStartTimeFrom` (string, optional)
- `requestedStartTimeTo` (string, optional)
- `dueDate` (date, optional)
- `description` (string, optional)
- `serviceNotes` (string, optional)
- `vendorNotes` (string, optional)
- `entryNotes` (string, optional)
- `entryPreference` (enum, optional)
  - Allowed values: `24_HOUR_NOTICE`, `BY_APPOINTMENT`, `CALL_FIRST`, `NO_PREFERENCE`, `ANYTIME`
- `isDoorCodeActive` (boolean, optional)
- `isAlarmActive` (boolean, optional)
- `doorCode` (string, optional)
- `alarmCode` (string, optional)
- `holdReason` (string, optional)
- `otherLocationDetail` (string, optional)
- `attachmentIds` (string, optional)
- `technicianNotes` (string, optional) — Notes to the technician.
- `previouslyReported` (boolean, optional) — If the Issue was previously reported, this will be true.
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (string, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `assignedUserId` (string, optional)
- `householdId` (string, optional)
- `customerId` (string, optional)
- `unitId` (string, optional)
- `maintenanceIssueId` (string, optional)
- `maintenanceLocationId` (string, optional)
- `propertyId` (string, optional)
- `organizationId` (string, optional)
- `totalCostOfMaterialsUsed` (double, optional) — The total cost of materials used.
- `totalAmountOwedByResident` (double, optional) — The total amount owed by the resident.
- `totalAmountOwedByProperty` (double, optional) — The total amount owed by the property.
- `hourlyServiceRate` (double, optional) — The hourly service rate.
- `totalLaborCost` (double, optional) — The total labor cost.

### assets_components-schemas-Base

- `customerId` (string, required)
- `type` (enum, optional)
  - Allowed values: `CASH`, `ACCOUNT_CHECKING`, `ACCOUNT_SAVINGS`, `CARD`, `COD`, `TRUST`, `TREASURY_MMF`, `SECURITY_STOCK`, `SECURITY_BOND`, `RETIREMENT_PLAN`, `LIFE_INSURANCE`, `SOLD_ASSET`, `PERSONAL_PROPERTY`, `REAL_ESTATE`, `OTHER`
- `marketValue` (float, optional) — Balance or market value as entered on the asset checklist. For real estate the applicant rents out it is the yearly rent received; for SOLD_ASSET it is the market value minus the sale price.
- `interestRate` (float, optional) — Interest rate as entered, in percent (`1.5` is 1.5%).
- `cashConversionFee` (float, optional)
- `category` (enum, optional) — The asset checklist entry the asset was reported under. It tells apart assets that share a `type`: `stocksOrBonds` (`SECURITY_STOCK`; the checklist does not separate stocks from bonds), `ira`, `pension`, `keogh`, `k401` and `otherRetirementAccount` (`RETIREMENT_PLAN`), `realEstate` and `rentalProperty` (`REAL_ESTATE`), `other` and `federalTaxRefundOrCredit` (`OTHER`).
  - Allowed values: `cashHeld`, `checkingAccount`, `savingsAccount`, `payCard`, `certificateOfDeposit`, `trustAccount`, `treasuryMoneyMarketFund`, `stocksOrBonds`, `ira`, `pension`, `keogh`, `k401`, `otherRetirementAccount`, `lifeInsurance`, `realEstate`, `rentalProperty`, `investmentProperties`, `other`, `federalTaxRefundOrCredit`, `disposed`
- `cashValue` (float, optional) — Value after the cost to convert the asset to cash (`marketValue` minus `cashConversionFee`, as entered).
- `disposedDate` (date, optional) — Date the asset was disposed of. Only on `SOLD_ASSET`.
- `disposedAmount` (float, optional) — Amount disposed of for less than fair market value. Only on `SOLD_ASSET`.
- `propertyAddress` (string, optional) — Address of a real estate asset. Not populated yet; always null.
- `mortgageBalance` (float, optional) — Unpaid mortgage balance of a real estate asset. Not populated yet; always null. The checklist folds the mortgage into `cashConversionFee`.
- `rentReceived` (float, optional) — Monthly rent received from a real estate asset. Always null; for rented real estate the yearly rent is in marketValue.
- `description` (string, optional) — Free-text name of the asset where the checklist has one: the account type for retirement plans (`IRA`, `Pension`, `Keogh`, `401(k)` or the name entered for another plan), and the name or type entered for personal property and other assets.
- `listTruncated` (boolean, optional, nullable) — `true` when the checklist list this asset comes from holds more items than the API returns. Each list is returned up to a fixed number of items: 2 for `other` and 1 for every other list. Set on every asset read from a list: `true` when the list holds more, `false` when it ends within the cap. Null on assets not read from a list (cash held, sold assets, legacy-form entries).
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `applicantId` (string, optional) — The applicant (household member on the application) who reported the asset.
- `applicationId` (string, optional)
- `certificationId` (string, optional) — The certification whose asset checklist holds the asset. A customer has one checklist per certification, so the same asset can appear once per certification; filter on this field to read one certification's assets. Empty for assets reported on an application before it had a certification; read those by applicationId.
- `householdId` (string, optional)
- `propertyId` (string, optional)
- `organizationId` (string, optional)

### glEntries_components-schemas-Base

- `amount` (double, optional)
- `note` (string, optional)
- `date` (datetime, optional)
- `creditAmount` (double, optional)
- `debitAmount` (double, optional)
- `accountNumber` (string, optional)
- `fiscalPeriod` (string, optional)
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `householdId` (string, optional)
- `customerId` (string, optional)
- `propertyId` (string, optional)
- `organizationId` (string, optional)
- `transactionId` (string, optional)

### reversals_components-schemas-Base

- `amount` (double, required)
- `method` (string, required)
- `householdId` (string, required)
- `customerId` (string, required)
- `date` (datetime, optional)
- `note` (string, optional)
- `id` (string, optional)
- `readableId` (string, optional)
- `idempotencyId` (string, optional)
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)
- `transactionId` (string, optional)
- `organizationId` (string, optional)

### transactions_components-schemas-Base

- `id` (string, optional)
- `readableId` (string, optional) — The readable ID for the transaction
- `customerId` (string, optional) — The ID of the customer associated with the transaction
- `householdId` (string, optional) — The ID of the household associated with the transaction
- `propertyId` (string, optional) — The ID of the property associated with the transaction
- `organizationId` (string, optional) — The ID of the organization associated with the transaction
- `depositId` (string, optional) — The ID of the deposit associated with the transaction
- `date` (datetime, optional)
- `amount` (double, optional)
- `note` (string, optional) — Notes about the transaction
- `code` (string, optional) — The code for the transaction
- `subjournal` (enum, optional) — The subjournal for the transaction
  - Allowed values: `RESIDENT`, `SUBSIDY`
- `ledger` (enum, optional) — The ledger for the transaction
  - Allowed values: `RESIDENT`, `SECURITY`
- `fiscalPeriod` (string, optional) — The fiscal period for the transaction
- `isPaid` (boolean, optional) — Whether the transaction is paid
- `type` (enum, optional) — The type of the transaction
  - Allowed values: `CREDIT`, `CHARGE`, `PAYMENT`, `RECONCILIATION`, `OTHER`, `SECURITY_CHARGE`, `SECURITY_PAYMENT`, `MISC_CHARGE`, `SECURITY_CREDIT`
- `reversedTransactionId` (string, optional) — The ID of the reversed transaction
- `runningBalanceAmount` (double, optional) — The running balance amount after the transaction
- `paymentDate` (datetime, optional) — The date the charge was paid
- `createdAt` (datetime, optional)
- `updatedAt` (datetime, optional)
- `deletedAt` (datetime, optional)

## Examples

**Response**

```json
{
  "firstName": "string",
  "middleName": "string",
  "lastName": "string",
  "preferredName": "string",
  "suffix": "string",
  "birthDate": "2023-01-15",
  "status": "APPLICANT",
  "email": "string",
  "phone": "string",
  "gender": "string",
  "headOfHousehold": true,
  "relationship": "PARTNER",
  "passportNumberLastFour": "string",
  "passportCountry": "string",
  "alienRegistrationNumberLastFour": "string",
  "citizenshipStatus": "string",
  "maritalStatus": "string",
  "spouseName": "string",
  "studentType": "string",
  "currentAddressStreet": "string",
  "currentAddressStreet2": "string",
  "currentAddressCity": "string",
  "currentAddressState": "string",
  "currentAddressZipCode": "string",
  "lenderName": "string",
  "id": "string",
  "readableId": "string",
  "idempotencyId": "string",
  "createdAt": "2024-01-15T09:30:00Z",
  "updatedAt": "2024-01-15T09:30:00Z",
  "deletedAt": "2024-01-15T09:30:00Z",
  "householdId": "string",
  "propertyId": "string",
  "organizationId": "string",
  "property": {
    "name": "string",
    "shortName": "string",
    "email": "string",
    "phone": "string",
    "physicalStreetAddress1": "string",
    "physicalStreetAddress2": "string",
    "physicalCity": "string",
    "physicalState": "string",
    "physicalZip": "string",
    "physicalCountry": "string",
    "mailingStreetAddress1": "string",
    "mailingStreetAddress2": "string",
    "mailingCity": "string",
    "mailingState": "string",
    "mailingZip": "string",
    "mailingCountry": "string",
    "phoneNumber": "string",
    "faxNumber": "string",
    "timezone": "string",
    "longitude": 1.1,
    "latitude": 1.1,
    "turnMoveOutDays": 1,
    "status": "ACTIVE",
    "propertyClass": "Conventional",
    "organizationId": "string",
    "id": "string",
    "readableId": "string",
    "idempotencyId": "string",
    "createdAt": "2024-01-15T09:30:00Z",
    "updatedAt": "2024-01-15T09:30:00Z",
    "deletedAt": "2024-01-15T09:30:00Z",
    "offboardedAt": "2024-01-15T09:30:00Z",
    "countyName": "string",
    "acquisitionDate": "2024-01-15T09:30:00Z"
  },
  "household": {
    "status": "APPLICANT",
    "isUnderEviction": true,
    "id": "string",
    "readableId": "string",
    "idempotencyId": "string",
    "createdAt": "2024-01-15T09:30:00Z",
    "updatedAt": "2024-01-15T09:30:00Z",
    "deletedAt": "2024-01-15T09:30:00Z",
    "currentUnitId": "string",
    "currentLeaseId": "string",
    "applicationId": "string",
    "organizationId": "string",
    "propertyId": "string",
    "currentCertificationId": "string",
    "prospectId": "string",
    "primaryCustomerId": "string",
    "totalActiveRentAmount": 1.1,
    "totalActiveSubsidyAmount": 1.1,
    "totalActiveFeesAmount": 1.1,
    "unitId": "string"
  },
  "attachments": [
    {
      "name": "string",
      "url": "string",
      "type": "ISSUE",
      "createdAt": "2024-01-15T09:30:00Z",
      "updatedAt": "2024-01-15T09:30:00Z",
      "workOrderId": "string",
      "propertyId": "string",
      "organizationId": "string",
      "notes": "string",
      "id": "string",
      "readableId": "string",
      "idempotencyId": "string",
      "deletedAt": "2024-01-15T09:30:00Z",
      "householdId": "string",
      "customerId": "string"
    }
  ],
  "workOrders": [
    {
      "status": "OPEN",
      "priority": "LOW",
      "hasPetAlert": true,
      "completedAt": "2024-01-15T09:30:00Z",
      "requestorPhone": "string",
      "requestorEmail": "string",
      "requestedStartDateFrom": "2023-01-15",
      "requestedStartDateTo": "2023-01-15",
      "requestedStartTimeFrom": "string",
      "requestedStartTimeTo": "string",
      "dueDate": "2023-01-15",
      "description": "string",
      "serviceNotes": "string",
      "vendorNotes": "string",
      "entryNotes": "string",
      "entryPreference": "24_HOUR_NOTICE",
      "isDoorCodeActive": true,
      "isAlarmActive": true,
      "doorCode": "string",
      "alarmCode": "string",
      "holdReason": "string",
      "otherLocationDetail": "string",
      "attachmentIds": "string",
      "technicianNotes": "string",
      "previouslyReported": true,
      "id": "string",
      "readableId": "string",
      "idempotencyId": "string",
      "createdAt": "string",
      "updatedAt": "2024-01-15T09:30:00Z",
      "deletedAt": "2024-01-15T09:30:00Z",
      "assignedUserId": "string",
      "householdId": "string",
      "customerId": "string",
      "unitId": "string",
      "maintenanceIssueId": "string",
      "maintenanceLocationId": "string",
      "propertyId": "string",
      "organizationId": "string",
      "totalCostOfMaterialsUsed": 1.1,
      "totalAmountOwedByResident": 1.1,
      "totalAmountOwedByProperty": 1.1,
      "hourlyServiceRate": 1.1,
      "totalLaborCost": 1.1
    }
  ],
  "assets": [
    {
      "customerId": "string",
      "type": "CASH",
      "marketValue": 1.1,
      "interestRate": 1.1,
      "cashConversionFee": 1.1,
      "category": "cashHeld",
      "cashValue": 1.1,
      "disposedDate": "2023-01-15",
      "disposedAmount": 1.1,
      "propertyAddress": "string",
      "mortgageBalance": 1.1,
      "rentReceived": 1.1,
      "description": "string",
      "listTruncated": true,
      "id": "string",
      "readableId": "string",
      "idempotencyId": "string",
      "createdAt": "2024-01-15T09:30:00Z",
      "updatedAt": "2024-01-15T09:30:00Z",
      "deletedAt": "2024-01-15T09:30:00Z",
      "applicantId": "string",
      "applicationId": "string",
      "certificationId": "string",
      "householdId": "string",
      "propertyId": "string",
      "organizationId": "string"
    }
  ],
  "glEntries": [
    {
      "amount": 1.1,
      "note": "string",
      "date": "2024-01-15T09:30:00Z",
      "creditAmount": 1.1,
      "debitAmount": 1.1,
      "accountNumber": "string",
      "fiscalPeriod": "string",
      "id": "string",
      "readableId": "string",
      "idempotencyId": "string",
      "createdAt": "2024-01-15T09:30:00Z",
      "updatedAt": "2024-01-15T09:30:00Z",
      "deletedAt": "2024-01-15T09:30:00Z",
      "householdId": "string",
      "customerId": "string",
      "propertyId": "string",
      "organizationId": "string",
      "transactionId": "string"
    }
  ],
  "reversals": [
    {
      "amount": 1.1,
      "method": "string",
      "householdId": "string",
      "customerId": "string",
      "date": "2024-01-15T09:30:00Z",
      "note": "string",
      "id": "string",
      "readableId": "string",
      "idempotencyId": "string",
      "createdAt": "2024-01-15T09:30:00Z",
      "updatedAt": "2024-01-15T09:30:00Z",
      "deletedAt": "2024-01-15T09:30:00Z",
      "transactionId": "string",
      "organizationId": "string"
    }
  ],
  "transactions": [
    {
      "id": "string",
      "readableId": "string",
      "customerId": "string",
      "householdId": "string",
      "propertyId": "string",
      "organizationId": "string",
      "depositId": "string",
      "date": "2024-01-15T09:30:00Z",
      "amount": 1.1,
      "note": "string",
      "code": "string",
      "subjournal": "RESIDENT",
      "ledger": "RESIDENT",
      "fiscalPeriod": "string",
      "isPaid": true,
      "type": "CREDIT",
      "reversedTransactionId": "string",
      "runningBalanceAmount": 1.1,
      "paymentDate": "2024-01-15T09:30:00Z",
      "createdAt": "2024-01-15T09:30:00Z",
      "updatedAt": "2024-01-15T09:30:00Z",
      "deletedAt": "2024-01-15T09:30:00Z"
    }
  ]
}
```

**SDK Code**

```python
import requests

url = "https://api.fortresstech.io/v1/customers/customerId"

headers = {"x-api-key": "<apiKey>"}

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

print(response.json())
```

```javascript
const url = 'https://api.fortresstech.io/v1/customers/customerId';
const options = {method: 'DELETE', headers: {'x-api-key': '<apiKey>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.fortresstech.io/v1/customers/customerId"

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

	req.Header.Add("x-api-key", "<apiKey>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.fortresstech.io/v1/customers/customerId")

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

request = Net::HTTP::Delete.new(url)
request["x-api-key"] = '<apiKey>'

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

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.delete("https://api.fortresstech.io/v1/customers/customerId")
  .header("x-api-key", "<apiKey>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('DELETE', 'https://api.fortresstech.io/v1/customers/customerId', [
  'headers' => [
    'x-api-key' => '<apiKey>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.fortresstech.io/v1/customers/customerId");
var request = new RestRequest(Method.DELETE);
request.AddHeader("x-api-key", "<apiKey>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["x-api-key": "<apiKey>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.fortresstech.io/v1/customers/customerId")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "DELETE"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```