# MerchantBillingPaymentMethodDto

A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.

Read-side projection of a `MerchantBillingPaymentMethod` for display in the operator
UI. Carries only the display metadata; the token reference is opaque to the operator and
the PAN / full account number is never represented at this layer or any layer above it.

## Fields
- `id` (string(uuid)): Stable id for the payment-method row.
- `resellerId` (string(uuid)): The reseller that owns the (billed-merchant → token) pairing. (nullable)
- `merchantId` (string(uuid)): The merchant being billed. (nullable)
- `collectionMerchantId` (string(uuid)): The collection merchant under whose vault the token lives. (nullable)
- `kind` ([MerchantBillingPaymentMethodKind](https://devportal.demo.winkpg.io/docs/api/models/MerchantBillingPaymentMethodKind.md)): Funding instrument family. (nullable)
  Values:
  - `Card`: Credit or debit card token. Brand, last 4, and expiry are populated.
  - `Ach`: ACH bank account token. AchAccountType and account last 4 are populated.
- `brand` (string): Card brand display string (e.g., "Visa"). Null when `kind` is ACH. (nullable)
- `last4` (string): Last 4 digits of PAN / ACH account number, for display only. (nullable)
- `expMonth` (integer(int32)): Card expiration month (1-12). Null when `kind` is ACH. (nullable)
- `expYear` (integer(int32)): Card expiration year (4-digit). Null when `kind` is ACH. (nullable)
- `achAccountType` ([MerchantBillingAchAccountType](https://devportal.demo.winkpg.io/docs/api/models/MerchantBillingAchAccountType.md)): ACH account type. Null when `kind` is Card. (nullable)
  Values:
  - `Checking`: Personal or business checking account.
  - `Savings`: Personal or business savings account.
- `isActive` (boolean): True while this is the active payment method for the (reseller, merchant) pair. (nullable)
- `deactivatedAt` (string(date-time)): When the row was deactivated. Null while `isActive` is true. (nullable)
- `creationTime` (string(date-time)): Creation timestamp from `FullAuditedAggregateRoot`.
- `concurrencyStamp` (string): Concurrency stamp for optimistic concurrency. (nullable)

## See also

- [All documentation](https://devportal.demo.winkpg.io/llms.txt): the machine-readable index of every public page on this site.