The guide aims at implementation with Flex, including front,
nonce, payment response and final validation of result.Overview
Preparation
Business requirements, credentials, sandbox environment and domains ready to start.
Technical integration
Nonce operation, loaded bookstores and parameters sent with the right format.
Functional Validation
Approved purchase, rejected and post-payment conduct reviewed from end to end.
Output to production
Revised production configuration and minimum evidence ready for final validation.
Suggested route
1
Prepare the environment
Confirms defined business requirements, active credentials for sandbox and return URLs or callbacks.
2
Connecting front and backend
Check that authentication to generate
nonce and that Flex Loan with no mistakes on your checkout.3
Test the purchase flow
It runs an approved and rejected purchase, validating messages, visual response and user continuity.
4
Confirms final result
Check front and confirm final status from backend to avoid closing the order with a preliminary result.
5
Requests final review
When the flow is stable in sandbox, prepare evidence and coordinate validation with the integration equipment.
Checklist base
1. Preparation
1. Preparation
- Revised business and technical requirements.
- Credentials and testing environment available.
- Domination, return pages and defined callbacks.
- Checkout Flow confirmed for merchant.
2. Technical configuration
2. Technical configuration
- Operating Authentication to Generate
tokenornonce. - Libraries or fronstore components loaded correctly.
- Mandatory parameters sent with proper format.
- Styles and visual experience reviewed within the checkout.
3. Flow Validation
3. Flow Validation
- Approved transaction completed correctly.
- Rejected transaction validated with bug management.
- autoisation response processed at front.
- Asynchronous methods tested if activated.
4. Confirmation and consistency
4. Confirmation and consistency
- Final status confirmed from backend or through consultation.
- Duples and reattempts handled securely.
- Order or pay properly updated to your system.
- Minimum logs available for support and diagnosis.
5. Production
5. Production
- Sandbox complete with minimum evidence of evidence.
- The production configuration revised by environment.
- Critical flows tested with integration equipment.
- Integration ready for live leave.
Minimum approval criterion
Approved purchase
At least an approved end to end validated flow.
Rejected purchase
Full Validation of Rejection and message management for the user.
Consisstore result
Confirmation between front and backend and final status of payment before production.
Related guides
Introduction Flex
Check the main flow of Web Checkout with Flex.
API Nonce
Generates
nonce from backend to start the form.Test data
Use sandbox cards and scenarios to validate your integration.
API Consultation
confirms from backend the final status of the operation.

