Buy now pay later dispute

How do we handle a dispute on a buy now pay later purchase by sending the order and delivery evidence to the lender and pausing or resuming the plan by the outcome?

Treat the lender's dispute like a chargeback with its own rules. When a customer disputes an installment purchase with the lender (or with the retailer, who must route it), Callvu classifies the dispute (the lender, its dispute reason and process, its evidence window, the claim type: not received, not as described, cancelled, unauthorized), matches it to the order, the delivery and any return or refund in progress, assembles the evidence the lender's rules call for (the order confirmation, the delivery proof, the return status, the communications, the terms accepted), chases the carrier or the customer for what the record lacks, checks the package, routes a weak or high-value case to the disputes desk in the Decision Desk, submits to the lender through its portal or interface before the window closes, reads the outcome, and writes the dispute and the plan's status (paused, resumed, cancelled with the refund) to the order management system.

In scopeComplex: multi-party handoffsCallvu moves: chase and verify, decide, write back

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Last updated November 7, 2026.

The problem today

The installment plan kept charging the customer for a return the retailer had already refunded, because the refund went to the wrong party.

Today, without Callvu

Buy now pay later adds a lender between the customer and the retailer. A dispute goes to the lender, who asks the retailer for evidence through a portal with its own deadlines and reason codes; the customer's installments continue or pause depending on the lender's rules; a return refunded to the customer directly instead of to the lender leaves the plan running. The retailer's team learns each lender's process by losing cases.

Each lender's dispute rules set the reasons, the evidence, the windows and the plan's status during the dispute; the consumer protections that apply (the lender's own, and where the lender issues a card, the Reg Z billing error rights) shape the outcomes; the retailer's evidence is the same as for a chargeback. The refund path is the lender's, and the plan's status follows the outcome. It is a chargeback with a different counterparty and a plan attached.

A dispute handled on the lender's rules from the order record is one the retailer wins or settles quickly, with the plan ending where it should.

How it runs

From the requestto the system of record.

A lender notifies the retailer of a dispute on an installment purchase, or a customer disputes with the retailer and is routed. Callvu opens the dispute on the order.

Customer: Raises the dispute, provides details where asked, and sees the plan's status.
Lender: Sets the dispute rules, receives the evidence through its portal and decides.
Disputes desk: Decides weak or high-value cases in the Decision Desk.
Callvu: Classifies, matches, assembles, chases, checks, routes, submits and writes.

Classify and match
The lender, its dispute reason and process, the evidence window and the plan's status rules are classified with the claim type (not received, not as described, cancelled or returned, unauthorized); the dispute is matched to the order, the delivery, any return or refund in progress and any prior dispute by the customer; a refund already issued to the lender is flagged so the plan ends rather than the case being fought.
Chase and verify the evidence
The evidence the lender's rules call for is assembled from the records (the order confirmation and the terms accepted, the delivery scan and signature, the return and refund status, the product description as displayed, the communications) and the carrier or the customer is chased for what the record lacks; the package is checked against the lender's requirements and the claim type.
Decide
A case with the required evidence and under the desk's threshold is submitted by rule; a weak case, a high value, a return that should simply be refunded through the lender, or a pattern goes to the disputes desk in the Decision Desk with the package and only the allowed outcomes (submit the evidence, accept the dispute and refund through the lender, refund partially, or escalate).
Submit and write back
The package is submitted through the lender's portal or interface before the window closes with the confirmation retained, the outcome is read back, the refund to the lender is issued where the dispute is accepted so the plan is cancelled or adjusted, and the dispute, the package, the outcome and the plan's status (paused during the dispute, resumed, cancelled) are written to the order management system, the system of record, with the customer told.

Where it ends: The dispute was handled on the lender's rules from the order record, submitted inside the window, and the plan ended, paused or resumed as the outcome required, with the refund to the right party. The Decision Trace shows the classification, the evidence checks and any desk decision; the Audit Trace shows the notice, the submission and the outcome with time.

Runtime enforcement

What is enforcedwhile the work runs.

The regulations preloaded in Callvu Studio and the bank's own policies, applied as steps that run, not lines in a binder. A step that breaks a rule does not run, so a completed run was compliant.

Regulations

Lender dispute rules: Each buy now pay later lender's merchant agreement and dispute policy set the dispute reasons, the evidence the merchant must provide (order, delivery and return records), the response window (commonly a number of days from the notice), whether the customer's installments pause during the dispute, the refund path (the merchant refunds the lender, which adjusts or cancels the plan), and the chargeback-like fees and ratios the lender monitors.
Reg Z and the CFPB's interpretive rule on buy now pay later (12 CFR 1026.13 billing error rights for lenders that issue a digital user account treated as a credit card): Where the lender's product is treated as a credit card under the CFPB's interpretive rule, the consumer has the Reg Z billing error rights (a written dispute within sixty days, the lender's investigation within two billing cycles, no collection of the disputed amount during the investigation) and the lender passes the evidence request to the merchant; the classification applies the lender's process accordingly.
Consumer protection on refunds and returns (the FTC Act, the state consumer protection statutes, the retailer's return policy): A return accepted under the policy must be refunded through the lender so the plan is cancelled or reduced; refunding the customer directly while the plan runs double-pays and leaves the customer charged, which the matching step prevents.

Company policies

Every lender dispute is classified with the lender's rules and window on arrival.
A return or a refund in progress ends the dispute through the lender; it is not fought.
The evidence is the order record's; the desk decides weak and large cases.
The order management system holds the dispute and the plan's status, and the refund goes to the lender.

Controls

Lender rule classification with window.
Matching to order, delivery, returns and prior disputes.
Evidence assembly with carrier and customer chases.
Lender requirement checks.
Decision Desk for weak, large and pattern cases.
Portal submission, outcome reading, lender refund and order management write.

Clocks and deadlines

Lender response window: The lender's days from the notice, on the case with escalation before it.
Plan status: Paused, resumed or cancelled by the lender's rules and the outcome, shown to the customer.
Refund to the lender: On acceptance, within the lender's and the policy's period.

Documents and checks

The lender's notice and the classification
The matched order, delivery and return status
The evidence package as checked
Any desk decision
The submission, the outcome and the plan's status

In the Decision Trace

The classification and the lender's rules.
The evidence checks and any desk decision.

In the Audit Trace

The notice with time.
Each chase and the submission with time.
The outcome and the plan status change.

The handoff

Between the front doorand the back office.

The front door

The lender's notice through its portal or interface; a customer's dispute with the retailer routed to the same case.

The back office

The disputes desk decides only weak, large and pattern cases; the lender receives packages assembled from the record.

The Decision Desk

A weak case, a high value, a return that should be refunded through the lender or a pattern goes to the disputes desk in the Decision Desk with the package and only submit, accept and refund through the lender, refund partially, or escalate.

Proof

In scope.Proof at scale, not one process at a time.

The kind of process Callvu runs in production for customers in this industry. Ask for a reference on this exact process. The results below are the industry's published proof; each claim code links to its record on agents.callvu.com.

More than 1,000 processes are live across Callvu customers.

Across Callvu customers

Questions

What buyers ask next,answered plainly.

How is a buy now pay later dispute different from a chargeback?

The counterparty is the lender with its own reasons, evidence rules and window, the plan's installments pause or continue by the lender's rules, and the refund goes to the lender to cancel or adjust the plan; the evidence from the order record is the same.

What if the customer already returned the item?

The match flags the return, and the case ends by refunding through the lender so the plan is cancelled, rather than being fought.

What does the customer see?

The plan's status (paused, resumed or cancelled) and the outcome, with the refund arriving through the lender.

Related processes

Chargeback and fraud dispute Dispute evidence for chargebacks Returns and refunds Refund to a different payment method Try it in the sandbox All travel and ecommerce processes

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