# Chargeback alert webhook > Reports a chargeback alert and its associated transaction details. ```yaml openapi: 3.1.0 info: title: Chargeback alert webhook version: 1.0.0 description: Reports a chargeback alert and its associated transaction details. webhooks: chargeback.alert.created: post: summary: Chargeback alert webhook description: Reports a chargeback alert and its associated transaction details. requestBody: required: true content: application/json: schema: type: object properties: notifyType: type: string description: Notification type, fixed to `PRE_DISPUTE`. enum: - PRE_DISPUTE x-enum-descriptions: PRE_DISPUTE: Chargeback alert. x-onerway-signature-participation: included transactionId: type: string description: Onerway alert ID, identical to `predisputeId`. This is not the original payment transaction ID. x-onerway-signature-participation: included merchantNo: type: string description: Merchant number assigned by Onerway. x-onerway-signature-participation: included predisputeId: type: string description: Unique ID of the chargeback alert. Return this value unchanged in the acknowledgement body. x-onerway-signature-participation: included timeZone: type: string description: Time zone offset reported with the notification. This field may be absent. x-onerway-signature-participation: included service: type: string description: Alert service. Returned when service visibility is enabled for the merchant and the value is available; otherwise it may be absent. x-onerway-signature-participation: included type: type: string description: Alert type. Returned when type visibility is enabled for the merchant and the value is available; otherwise it may be absent. x-onerway-signature-participation: included createdTime: type: string description: Time when the alert was raised, in `yyyy-MM-dd HH:mm:ss` format. x-onerway-signature-participation: included receivedTime: type: string description: Time when the alert was successfully matched to a transaction, in `yyyy-MM-dd HH:mm:ss` format. This field may be absent if no matching time is available. x-onerway-signature-participation: included amount: type: string description: Alert refund amount in `currency`, expressed as a decimal string with two decimal places. Uses the remaining refundable amount when available; otherwise uses the alert amount. It may differ from `orderAmount`. x-onerway-signature-participation: included currency: type: string description: "Currency of `amount`: the currency of the alert refund amount when available, otherwise the alert currency." x-onerway-signature-participation: included source: type: string description: Party that raised the alert. This field may be absent when unavailable. x-onerway-signature-participation: included reasonCode: type: string description: Reason code for the alert. This field may be absent when unavailable. x-onerway-signature-participation: included txnId: type: string description: Original Onerway payment transaction ID. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included merchantTxnId: type: string description: Merchant order number of the original payment. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included txnTime: type: string description: Creation time of the original transaction, in `yyyy-MM-dd HH:mm:ss` format. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included orderAmount: type: string description: Original order amount in `orderCurrency`, expressed as a decimal string with two decimal places. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included orderCurrency: type: string description: Currency of the original order amount. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included paymentMethod: type: string description: Payment method or card brand of the original transaction. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included eci: type: string description: Electronic Commerce Indicator (ECI) of the original transaction. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included website: type: string description: Website where the cardholder made the original transaction. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included email: type: string description: Email address associated with the original transaction. This field may be absent when the original transaction details are unavailable. x-onerway-signature-participation: included chargebackStatus: type: string description: Whether the matched transaction has a chargeback. This field may be absent when unavailable; it is not a chargeback lifecycle status. enum: - "0" - "1" x-enum-descriptions: "0": No chargeback. "1": Has a chargeback. x-onerway-signature-participation: included refundStatus: type: string description: Refund status of the matched transaction. This field may be absent when unavailable. enum: - "0" - "1" - "2" x-enum-descriptions: "0": Not refunded. "1": Fully refunded. "2": Partially refunded. x-onerway-signature-participation: included sign: type: string description: Signature included in the notification body. This field is excluded from signature calculation. Verify the notification using the `X-Rh-Signature` header as described in the signing guide. x-onerway-signature-participation: signature-field examples: pre_dispute_default: summary: Chargeback alert value: notifyType: PRE_DISPUTE transactionId: example_predispute merchantNo: example_merchant predisputeId: example_predispute type: customerdispute_alert createdTime: 2026-09-17 22:59:37 receivedTime: 2026-09-17 22:59:40 amount: "10.00" currency: USD txnId: example_payment merchantTxnId: example_order txnTime: 2026-07-27 18:10:59 orderAmount: "11.00" orderCurrency: USD paymentMethod: VISA chargebackStatus: "0" refundStatus: "2" eci: "5" website: example.com email: buyer@example.com sign: replace_with_signature responses: "200": description: After accepting the notification, return HTTP 200 with the received `predisputeId` unchanged in the response body. Do not add JSON quotes, whitespace, or a newline. An empty response or a different ID is not accepted. On failure or an invalid response, Onerway retries every 30 minutes, up to 2 times. content: text/plain: schema: type: string examples: return_predispute_id: summary: Return predisputeId description: Return the received `predisputeId` unchanged. Do not return the fixed example value. value: example_predispute ```