Integrations & data · Planning worksheet

Payment callbacks: handle delayed notifications

Illustrative situation

A payment result arrives later than the website expects and the visitor is shown an uncertain outcome.

The decision

Ask the supplier to demonstrate delayed-result handling and a safe status-check route. A timeout should not automatically be described as a declined payment or a confirmed booking.

Rehearse this before accepting the change

Delay a test-provider notification after the visitor completes the payment step.

Use fictional examples and an authorised test environment. Record what happened, the evidence you inspected and any issue that still needs a responsible owner.

Choose a useful measure

Track unresolved payment states beyond the agreed review window.

Agree the definition and baseline with the team doing the work. Review the result over a comparable period and note other changes that could affect it.

Healthcare data integration connecting two applications through a field-mapping board.
Agree what each field means and which system owns it.
Healthcare data validation separating matched records from an exception tray.
Make rejected or uncertain records visible for review.
Healthcare integration recovery with queued records, a retry route and a receipt check.
Plan recovery and confirm the receiving result.

Your planning worksheet

Use these checks to prepare a discussion with your team or supplier. Tick a check when you have recorded the decision or evidence, rather than when a feature has simply been promised.

Decisions to record

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Further reading

These primary sources provide additional context for the project decisions above.

Related decisions

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