MastercardConsumer DisputeUpdated June 2026

Mastercard Reason Code 4855: Goods or Services Not Provided

The cardholder paid but says the merchandise or service was never delivered or rendered.

Respond within ~45 days
Winnable with strong evidence

Your strongest argument

Tracking confirms delivery (or access logs confirm use) on or before the agreed date.

Evidence that wins a Mastercard 4855 dispute

  • Carrier tracking showing delivery to the cardholder
  • Signed proof of delivery or digital access logs
  • Order confirmation and agreed delivery window

Ordered strongest first — lead your rebuttal with the items at the top.

Not sure you have enough to win?

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How processors label this dispute

ProcessorWhat you'll see
Stripereason: product_not_received

Where to pull this evidence

Prove delivery. Carrier tracking and access logs do the heavy lifting. Here's exactly where the relevant records live in each processor dashboard — gather them free before you build your pack.

Stripe

Dashboard → Payments → Disputes (or the email alert from Stripe).

  • AVS & CVC check results: Open the original payment → Payment details → "Checks" (CVC, ZIP, address).
  • Customer email, IP, and device: Payment → Customer section and the "Risk insights" / Radar panel.
  • Receipt / order confirmation: Payment → "Send receipt" or your order-management system; export the PDF.
  • Refund history & reference IDs: Payment → Timeline shows any refunds with their re_… reference IDs.

Shopify Payments

Shopify admin → Orders → the flagged order → "Chargeback" banner, or Settings → Payments → Manage disputes.

  • Order & fulfillment details: Orders → the order → Fulfillment + Timeline (shows when items shipped).
  • Tracking number & carrier: Orders → Fulfillment → tracking; confirm "Delivered" status with the carrier.
  • Customer info & IP: Order → Customer section; Order → Additional details / fraud analysis for IP and AVS/CVV.
  • Fraud analysis (AVS/CVV/risk): Order → "Fraud analysis" panel shows AVS, CVV, and Shopify’s risk indicators.

Square

Square Dashboard → Disputes (or Balance → Disputes), or the email from Square.

  • Transaction & receipt: Transactions → the payment → receipt; "Resend receipt" for a copy.
  • Card-present / chip details: Transaction detail shows entry method (chip, tap, keyed) — chip reads support card-present disputes.
  • Customer details: Customer Directory → the customer; or the transaction’s customer section.
  • Itemization & amount: Transaction → itemized breakdown to rebut "incorrect amount" claims.

PayPal

PayPal → Resolution Center → the open case (Dispute, Claim, or Chargeback).

  • Transaction details & ID: Activity → the transaction → details; note the Transaction ID.
  • Proof of delivery / tracking: Resolution Center → "Respond" → add tracking number + carrier (PayPal validates delivery).
  • Proof of shipment / service: Resolution Center evidence upload: invoice, shipment receipt, or service-completion proof.
  • Buyer communication: Resolution Center message thread + your own email records with the buyer.

Build a submission-ready Mastercard 4855 response

ChargebackKit assembles your evidence into a formatted, labeled rebuttal pack with the exhibits and response letter card networks expect — pre-mapped to Product Not Received disputes.

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Or run the free readiness check first.

Frequently asked questions

What is Mastercard reason code 4855?
Mastercard 4855 ("Goods or Services Not Provided") is filed when a cardholder claims they paid but never received the product or service.
How do I win a 4855?
Submit carrier tracking showing delivery to the cardholder, or timestamped access logs for digital goods, plus the agreed delivery window.
How does 4855 differ from 4853?
4855 is specifically non-delivery; 4853 is a broader cardholder dispute. Many processors route non-delivery through 4853 as well — check your dashboard label.

Where to go next

Build the pack for Product Not Received disputes, or dig into the matching guide, template, and processor evidence requirements.

Updated June 2026. Reason-code meanings and evidence requirements are sourced from card network documentation and may change; always check your processor dashboard for the exact deadline and label on your dispute.