# Enterprise Integration Review Checklist

## Contract
- Source, target, trigger, frequency, volume, format, and connectivity confirmed
- Authoritative keys, effective dates, and change semantics confirmed
- Mandatory, optional, blank, null, omission, and default behavior defined

## Mapping and transformation
- Every target field mapped or explicitly excluded
- Lookups have sources, keys, ownership, fallback, and maintenance process
- Length, type, precision, encoding, delimiter, and ordering rules align
- Conflicting transformation rules resolved

## Security and resilience
- Least-privilege service identity and domains validated
- Authentication, secrets, certificates, and rotation ownership defined
- Retry, idempotency, duplicate, timeout, and partial-failure behavior designed

## Quality and operations
- Reconciliation and control totals designed
- Errors are actionable and routed to an owner
- Monitoring, alerting, runbook, support model, and recovery test exist
- End-to-end, negative, boundary, volume, security, and regression scenarios approved