Layer 5.3 · Integration & API Layer
Event Bus & API Gateway
Kafka · API Gateway · 412 services · iPaaS connectors to SAP, Salesforce, Coupa, Solidworks PDM, Workday.
Bus Throughput 2.1M msg/min
APIs Published
412
Events / min
2.14M
P95 Latency
38 ms
Error Rate
0.04%
API Catalog
Versioned · contract-tested · rate-limited
| API / Topic | Type | Calls | P95 | Error | Consumers | SLO |
|---|---|---|---|---|---|---|
| orders.v2 | REST | 12.4k/min | 82ms | 0.02% | 14 | MET |
| telemetry.stream | gRPC-stream | 1.4M/min | 9ms | 0.00% | 38 | MET |
| quality.events | Kafka topic | 84k/min | 12ms | 0.01% | 22 | MET |
| supplier.po | REST | 920/min | 210ms | 0.18% | 7 | AT RISK |
| wms.reservation | GraphQL | 6.1k/min | 44ms | 0.04% | 11 | MET |
| billing.invoice | REST | 212/min | 640ms | 1.42% | 4 | BREACH |
Event Bus Throughput · 24h
Kafka cluster · 28 brokers
External Connectors
iPaaS managed
SAP S/4HANA
BAPI · IDoc
Salesforce
REST · CDC
Coupa
REST
Solidworks PDM
Webhook
Workday HCM
SOAP · throttled
ServiceNow
REST · OAuth
Saga Orchestration
Long-running cross-system workflows
SAGA-8821Order → MES → WMS → Ship7/7DONE
SAGA-8820PO → Supplier → ASN → GR4/5RUNNING
SAGA-8819Quality NCR → CAPA → ECN3/4RUNNING
SAGA-8818Invoice → 3-way → Pay2/3 RETRYRETRY
API Keys & OAuth Clients
Rotated quarterly
mes-bridge-prod
telemetry:write orders:read
supplier-portal-prod
supplier:* po:rw
analytics-bi-ro
*:read
legacy-erp-bridge
orders:* invoice:rw