Sandbox and go-live

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Sandbox checklist

• operation creation, completion, and voiding
• split tender payloads
• returns against prior sale
• parsing and printing the fiscal information
• offline queue replay

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Important Implementation Checks

1. Correctly setting Idempotency-Key on retries.
2. Correctly setting X-OpenFiskal-Merchant on all merchant-scoped requests.
3. Every operation writer persists and reuses the latest ETag

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Next steps

• Getting started