01
Checkout & subscription flows
Define one-time, recurring or saved-payment journeys and the application's response to each supported transaction state.
API Integration
Payment Gateway Integration
Payment gateway integration is more than placing a checkout button. The application must coordinate customer actions, provider responses, webhooks, order state and unsuccessful or delayed outcomes without creating confusion or duplicate processing.
This service supports approved payment gateways for commerce, subscriptions, bookings, marketplaces or other defined transactions where the receiving application needs a dependable payment flow. Clear ownership of orders, payments, refunds and reconciliation is established before implementation.
Capability focus
Payment Gateway Integration
What the engagement includes
Concrete deliverables, aligned to one outcome.
The exact scope is agreed after discovery, with dependencies and responsibilities made visible before implementation.
02
Gateway API connection
Integrate the selected provider using supported authentication, hosted checkout or tokenised payment patterns.
03
Webhook & status handling
Verify authorised callbacks and coordinate successful, pending, failed, cancelled and duplicate events safely.
04
Refunds, testing & reconciliation
Exercise representative sandbox scenarios and make transaction identifiers and reconciliation information visible to authorised teams.
Working approach
A practical route from context to delivery.
Each phase produces something reviewable before the next commitment is made.
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01
Define
Confirm provider, currencies, transaction types and application responsibilities.
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02
Design
Map checkout, return, cancellation and confirmation experiences.
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03
Integrate
Build the connection using provider-supported patterns.
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04
Validate
Test agreed scenarios and prepare a controlled production handover.
Common questions
Useful answers before you start.
No. The business selects and contracts with a suitable payment provider; we integrate its supported technical service.
We favour provider-hosted or tokenised patterns that reduce sensitive-data exposure, subject to the provider and agreed architecture.
They can be assessed when the selected provider supports them and the business workflow is clearly defined.
Related insights
Useful thinking for the next decision.
Build what matters next
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