Blog
Fintech

How to send proof of payment – and why it matters in B2B and P2P transactions

Fenige Team
Fintech
5
min read
|
11 Jul 2025

“I’ve made the transfer – shall I send proof?” If you’ve ever heard or said this, you already know that a payment confirmation isn’t just a courtesy –  it can be a vital document. In both business-to-business (B2B) and peer-to-peer (P2P) contexts, proof of payment plays a critical role in validating transactions, managing cash flow, and ensuring trust. This article explains what payment confirmation really is, how to send it, and when it’s worth doing –  from both a practical and legal perspective in the UK.

What is proof of payment, and why isn’t “I sent it” good enough?

Proof of payment is a formal confirmation that a bank transfer has been initiated and processed by the sender’s bank or payment provider. It typically includes:

  • the payer and recipient’s details (account names, sort codes, account numbers),
  • the amount sent,
  • payment reference,
  • date and time of the transaction,
  • a unique transaction ID or reference code.

Most UK banks allow you to download or share a PDF version of this confirmation, while mobile banking apps often offer quick screenshots or digital links. For businesses, this proof may also be exported from accounting software or attached to invoices.

What is a token management system? Complete guide for secure payments

It’s important to note: proof of payment does not guarantee that the recipient has received the funds –  it simply confirms that the transfer has been processed from the sender’s side. However, in many cases, this is enough to trigger next steps in business or contractual processes.

Why proof of payment matters in B2B transactions

In B2B scenarios, especially in the UK where payment terms, cash flow, and delivery schedules are tightly managed, proof of payment often serves as an operational green light.

Common use cases include:

  • releasing goods for dispatch after deposit receipt,
  • confirming service orders before work begins,
  • satisfying contract milestones for part payments,
  • pre-clearing entries for trade shows, events, or exhibitions.

In accounting, payment confirmations can be logged as part of unallocated receipts or pending settlements, helping finance teams monitor receivables and reduce delays. In industries such as construction, logistics, or wholesale trade –  where cash timing can make or break operations –  timely proof of payment is part of best practice.

What about peer-to-peer (P2P) payments? Personal transfers still need documentation

Even in private transactions, proof of payment has practical and legal value, especially when money changes hands for:

  • second-hand item purchases (e.g., via Facebook Marketplace, Gumtree),
  • shared expenses (e.g., rent, travel, group holidays),
  • private loans or repayments,
  • family support or maintenance payments.

In small claims disputes or legal proceedings, proof of payment is often used as supporting evidence to demonstrate that a financial obligation was fulfilled. And in an age of payment scams and social fraud, a PDF download from a banking app carries more legal weight than an informal message saying “I’ve paid.”

SWIFT – What Is It and How Does It Work in the Context of International Payments?

How to send payment confirmation – step by step in the UK

While exact steps may vary by bank, most UK banking platforms follow a similar process:

  1. Log in to your online banking or mobile app.
  2. Navigate to the ‘Recent Payments’ or ‘Transaction History’ section.
  3. Select the transaction in question and choose ‘Download receipt’, ‘Send payment confirmation’, or ‘Export PDF’.
  4. The confirmation is typically generated instantly as a PDF.
  5. Send the file via email, messaging app, or upload it securely to a shared cloud folder.

Some banks now offer temporary payment confirmation links with expiry dates –  a more secure way to share sensitive financial information.

Real-time confirmations and payment systems: automation for efficiency

In a world of faster payments and digital processes, payment confirmations are becoming integrated into payment infrastructure itself. Providers like Fenige offer advanced capabilities to:

  • automatically generate confirmations upon transaction completion,
  • integrate them into ERP or finance systems,
  • link proof of payment with specific SKUs, invoices, or contract references,
  • track the status of confirmations via admin panels.

This is particularly valuable in e-commerce and marketplaces, where transaction transparency and customer trust are essential. For platform operators and payment gateways, automated confirmations reduce fraud risk and streamline operations.

Proof of payment is not bureaucracy – it’s business protection

While it might seem like a formality, proof of payment is a key tool for accountability, transparency, and operational efficiency. In B2B relationships, it’s often the signal to proceed. In personal payments, it can serve as legal backup. And in digital commerce, it’s part of the trust engine that keeps transactions flowing.

The Data Protection Act – what every UK business needs to know

Making payment confirmations fast, secure, and easy to share isn’t just good practice –  it’s a competitive advantage. Especially when integrated with modern platforms like Fenige, which support real-time notifications, refunds, and detailed transaction documentation.

Share this post
Fenige Team

Keep Reading on the Blog

Insights from the field
5
min read

Card acquiring for online stores: how to accept payments online smoothly and securely

Read more
5
min read

What is a merchant account provider and how do they support modern online businesses?

Read more
5
min read

High-risk acquiring solution for crypto: secure payment processing for high-risk merchants

Read more