# Payment Messages

Messages that represent a change or an action performed on a Payment or Payment Method.

Messages are available in a variety of [Message Types](/api/projects/messages.md#message-types) specific to a resource. Common fields across all Message Types are represented by a base resource, [Message](/urn?urn=ctp%3Aapi%3Atype%3AMessage).

You can access Messages either by querying the [Messages API](/api/projects/messages.md), or by subscribing to them with a [Subscription](/api/projects/subscriptions.md). To query Messages using the API, you must [enable the feature](/api/projects/messages.md#enable-querying-messages-via-the-api) first.

### Payment Messages

Messages that represent a change or an action performed on a [Payment](/api/projects/payments.md).

#### Payment Created

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentCreatedMessage).

#### Payment Interaction Added

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentInteractionAddedMessage).

#### Payment Transaction Added

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentTransactionAddedMessage).

#### Payment Transaction State Changed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentTransactionStateChangedMessage).

#### Payment Transaction Interface ID Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentTransactionInterfaceIdSetMessage).

#### Payment Status State Transition

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentStatusStateTransitionMessage).

#### Payment Status Interface Code Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentStatusInterfaceCodeSetMessage).

#### Payment Interface ID Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentInterfaceIdSetMessage).

#### Payment Method Info Interface Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoInterfaceSetMessage).

#### Payment Method Info Method Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoMethodSetMessage).

#### Payment Method Info Name Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoNameSetMessage).

#### Payment Method Info Token Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoTokenSetMessage).

#### Payment Method Info Interface Account Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoInterfaceAccountSetMessage).

#### Payment Method Info Custom Type Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoCustomTypeSetMessage).

#### Payment Method Info Custom Type Removed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoCustomTypeRemovedMessage).

#### Payment Method Info Custom Field Added

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoCustomFieldAddedMessage).

#### Payment Method Info Custom Field Changed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoCustomFieldChangedMessage).

#### Payment Method Info Custom Field Removed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInfoCustomFieldRemovedMessage).

### Payment Method Messages

Messages that represent a change or an action performed on a [Payment Method](/api/projects/payment-methods.md).

#### Payment Method Created

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCreatedMessage).

#### Payment Method Deleted

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodDeletedMessage).

#### Payment Method Default Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodDefaultSetMessage).

#### Payment Method Interface Account Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodInterfaceAccountSetMessage).

#### Payment Method Payment Interface Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodPaymentInterfaceSetMessage).

#### Payment Method Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodMethodSetMessage).

#### Payment Method Key Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodKeySetMessage).

#### Payment Method Name Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodNameSetMessage).

#### Payment Method Status Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodPaymentMethodStatusSetMessage).

#### Payment Method Custom Type Set

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCustomTypeSetMessage).

#### Payment Method Custom Type Removed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCustomTypeRemovedMessage).

#### Payment Method Custom Field Added

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCustomFieldAddedMessage).

#### Payment Method Custom Field Changed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCustomFieldChangedMessage).

#### Payment Method Custom Field Removed

[type definition](/api/projects/messages/payment-messages.md?urn=ctp:api:type:PaymentMethodCustomFieldRemovedMessage).

## Related pages

- [Area overview page with navigation](/api.md)
- [Previous page: Cart and Order Messages](/api/projects/messages/cart-order-messages.md)
- [Next page: Pricing and Discount Messages](/api/projects/messages/pricing-discount-messages.md)