defend Method

Overview

The defend method submits your formal argument against the customer's chargeback claim.

Business Use Case: After submitting delivery proof, submit your formal defense stating why the chargeback is illegitimate.

Request Fields

Field	Type	Required	Description
disputeId	string	Yes	The connector's dispute ID
reasonCode	string	Yes	Defense reason code (see below)
explanation	string	Yes	Detailed explanation
submitEvidence	boolean	No	Whether to submit attached evidence

Defense Reason Codes

Code	Description
product_or_service_provided	Product/service was delivered
customer_withdrew_dispute	Customer withdrew with their bank
duplicate_charge_doc	Charge is not a duplicate
cancellation_policy_disclosed	Customer accepted terms

Response Fields

Field	Type	Description
disputeId	string	Connector's dispute ID
defenseSubmitted	boolean	Success status
status	DisputeStatus	UNDER_REVIEW
statusCode	number	HTTP status code

Example

SDK Setup

const { DisputeClient } = require('hyperswitch-prism');

const disputeClient = new DisputeClient({
    connector: 'stripe',
    apiKey: 'YOUR_API_KEY',
    environment: 'SANDBOX'
});

Request

const request = {
    disputeId: "dp_xxx",
    reasonCode: "product_or_service_provided",
    explanation: "Customer ordered product on 2024-01-10. Package delivered on 2024-01-15 with signature.",
    submitEvidence: true
};

const response = await disputeClient.defend(request);

Response

{
    disputeId: "dp_xxx",
    defenseSubmitted: true,
    status: "UNDER_REVIEW",
    statusCode: 200
}

Next Steps

• get - Check dispute status after submission
• Wait for bank decision (typically 60-75 days)