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Gateway and bank-transfer instructions · How-to guide

Why the Tide gateway amount must equal the current outstanding invoice balance

Detailed client guidance covering why the Tide gateway amount must equal the current outstanding invoice balance, with exact eligibility, security, verification and troubleshooting boundaries for the shipped Tide payment and Open Banking controls.

Audience: Administrators and authorised payment operations staffPermission: ViewModule v1.0.0
Jump to steps
Where to goInvoices → eligible payable GBP invoice → Tide payment method
Before you startConfirm the intended tenant, remote account or invoice context, and your View access. Keep credentials and tokens out of screenshots, tickets and exported evidence. If a previous write may have reached an external service, verify remote state before retrying.

What you’ll accomplish

Detailed client guidance covering why the Tide gateway amount must equal the current outstanding invoice balance, with exact eligibility, security, verification and troubleshooting boundaries for the shipped Tide payment and Open Banking controls. This article is intentionally scoped to the behaviour enforced or exposed by the supplied module and does not treat provider marketing features as implemented integration capabilities.

How the workflow fits together

Tide payment instructions, AIS transaction import, exact reconciliation, native invoice payment status and audit evidence are connected but separately verifiable stages. A payment instruction is not proof of receipt; a bank transaction is not a certified invoice payment until it passes the reconciliation gates.

Follow these steps

  1. Open Invoices → eligible payable GBP invoice → Tide payment method.
  2. Confirm the intended tenant, invoice/connection/transaction where applicable, and your View access before continuing.
  3. Open an eligible payable GBP invoice and choose the Tide payment method.
  4. Confirm the displayed amount equals the invoice’s current outstanding balance.
  5. Copy/use the generated payment reference exactly and do not alter it.
  6. After the transfer, wait for the bank transaction to become API-visible and then verify reconciliation rather than marking the instruction itself as paid.

Fields and decisions to review

This guide’s focusDetailed client guidance covering why the Tide gateway amount must equal the current outstanding invoice balance, with exact eligibility, security, verification and troubleshooting boundaries for the shipped Tide payment and Open Banking controls.
CurrencyThe gateway accepts only GBP invoices.
AmountThe gateway instruction amount is the exact current outstanding invoice balance; the customer cannot choose a smaller gateway amount at initiation.
ReferenceEvery instruction carries a compact invoice transfer reference and the customer is told to use it exactly.
Native statusA successful bank match is recorded through the native payment gateway path so normal invoice status and receipt behaviour remain authoritative.
StalenessAn instruction can become invalid when invoice/hash/payability/balance state no longer matches; a stale instruction must not be used as payment evidence.

How to confirm it worked

Reopen the intended invoice, Tide transaction/reconciliation register and audit evidence. Confirm the full Tide transaction identifier where available, exact amount/currency/reference, reconciliation state, native invoice payment and latest timestamps. If the bank-feed state cannot be independently verified, keep the task unresolved and use the supported troubleshooting flow.

Questions clients commonly ask

When is an invoice actually treated as paid?Only when an eligible Tide credit is exactly reconciled and the native gateway payment is recorded; showing transfer instructions is not payment confirmation.
Can staff override a close-but-not-exact bank match?The automatic flow intentionally requires exact eligibility, reference and current outstanding amount. Investigate the bank/reference/invoice state instead of weakening the control.
What should I include in a support case?Include invoice ID, Tide transaction ID if available, reference, amount/currency, booking timestamp, connection status and visible error. Never include access/refresh tokens or private keys.
Does disconnecting remove history?No. Active connection tokens/state can be removed while historical payment, reconciliation and audit evidence is retained.

Technical basis for this guidance

This guide was checked against the supplied module code paths: tide_payments.php; controllers/Tide_payments.php; controllers/Tide_payments_client.php; models/Tide_payments_model.php; helpers/tide_payments_helper.php; libraries/Tide_gateway.php; libraries/Tide_open_banking_client.php; libraries/Tide_partner_client.php; views/admin; views/client/pay.php; install.php; config/routes.php. It documents shipped behaviour, validation, routes and evidence controls; it does not claim successful live provider network calls from offline inspection.

Controls, checks and common mistakes

  • Work in the intended tenant and remote accounting/business context.
  • Do not paste credentials, access tokens, refresh tokens or private keys into tickets or notes.
  • Do not bypass a missing mapping, validation error, permission gate, duplicate check or remote-verification requirement.
  • Do not repeat a non-idempotent write until you know whether the previous request reached the remote service.
  • Keep native record, remote evidence and audit/history state aligned before closing the task.
Provider and accounting boundaryAn instruction can become invalid when invoice/hash/payability/balance state no longer matches; a stale instruction must not be used as payment evidence.
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