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Fiserv

Fiserv Payment Events

Fiserv provides webhook-based event notifications across the payments lifecycle. Merchants can subscribe to webhooks to receive real-time notifications for key events including transaction status changes, settlement updates, dispute notifications, and checkout completions.

Documentation Provider Profile APIs.io AsyncAPI GitHub

Fiserv Payment Events is one of 27 APIs that Fiserv publishes on the APIs.io network, described by an AsyncAPI event-driven specification.

Tagged areas include Disputes, Event, Payments, and Webhook. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

This event API exposes 4 operations across 4 channels, and defines 15 schemas. It is described by AsyncAPI 2.6.0, at version 1.0.0.

The API connects through a single server, {merchantWebhookUrl} (https).

4 operations 4 channels 15 schemas

Metadata

The identity and technical contract details declared by the specification.

Specification
AsyncAPI 2.6.0
API Version
1.0.0
Server
{merchantWebhookUrl} (https)
Contact
Fiserv Developer Support
Resource Areas
1

Channels & Operations 4

Across 4 channels, the API surfaces 4 operations. Each is listed below with its action, channel, parameters, and response codes.

Channels 4
PUB
/webhooks/transactions
Receive transaction event notification
receiveTransactionEvent body
PUB
/webhooks/settlements
Receive settlement event notification
receiveSettlementEvent body
PUB
/webhooks/disputes
Receive dispute event notification
receiveDisputeEvent body
PUB
/webhooks/checkout
Receive checkout event notification
receiveCheckoutEvent body

Messages & Schemas 15

The contract defines 15 schemas that model the data carried by its messages. The most detailed are TransactionEvent (12 properties), DisputeEvent (11 properties), CheckoutEvent (9 properties), SettlementEvent (9 properties). Each schema is shown below with its type and property counts.

TransactionAuthorized
message
Notification sent when a transaction is successfully authorized.
TransactionCaptured
message
Notification sent when an authorized transaction is captured for settlement.
TransactionRefunded
message
Notification sent when a transaction refund is processed.
TransactionVoided
message
Notification sent when a transaction is voided.
TransactionDeclined
message
Notification sent when a transaction is declined.
SettlementCompleted
message
Notification sent when a settlement batch is completed and funds are scheduled for deposit.
DisputeOpened
message
Notification sent when a new dispute is opened against a transaction.
DisputeUpdated
message
Notification sent when a dispute status changes.
DisputeResolved
message
Notification sent when a dispute is resolved, either in favor of the merchant or the cardholder.
CheckoutCompleted
message
Notification sent when a hosted checkout session is completed successfully.
CheckoutAbandoned
message
Notification sent when a hosted checkout session is abandoned or expires.
TransactionEvent
object
Transaction lifecycle event payload.
12 properties 4 required
SettlementEvent
object
Settlement batch event payload.
9 properties 3 required
DisputeEvent
object
Dispute event payload.
11 properties 4 required
CheckoutEvent
object
Checkout session event payload.
9 properties 4 required

Specification

The full machine-readable AsyncAPI contract behind this narrative.

Source

fiserv-payment-events-asyncapi.yml Raw ↑

Other APIs Fiserv publishes across the network.

Fiserv 3-D Secure API
AE Profile APIs.io
Fiserv Accounts API
AE Profile APIs.io
Fiserv Authorization API
AE Profile APIs.io
Fiserv Authorizations API
AE Profile APIs.io
Fiserv BIN API
AE Profile APIs.io
Fiserv Cancels API
AE Profile APIs.io
Fiserv Capture API
AE Profile APIs.io
Fiserv Captures API
AE Profile APIs.io
Fiserv Cards API
AE Profile APIs.io
Fiserv Charges API
AE Profile APIs.io
Fiserv Funding API
AE Profile APIs.io
Fiserv Inquire API
AE Profile APIs.io
#Disputes#Event#Payments#Webhook
← Back to F APIs
API Details
ID
fiserv:payment-events
Server
{merchantWebhookUrl} (https)
Docs
https://docs.fiserv.dev/public/docs/webhooks-and-status-updates-checkout
Provider
Fiserv
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