Core-Services-Overview.md

@@ -37,6 +37,11 @@ These are the data platform services for OSDU that form the core set of services
 |   - SegY to oZGY Conversion DAG | | [Docs](https://community.opengroup.org/osdu/platform/data-flow/ingestion/segy-to-zgy-conversion/-/blob/master/doc/gcp/QUICKSTART.md) | [SegY to oZGY Conversion](https://community.opengroup.org/osdu/platform/data-flow/ingestion/segy-to-zgy-conversion) |
 |   - SegY to oVDS Conversion DAG | | [Docs](https://community.opengroup.org/osdu/platform/data-flow/ingestion/segy-to-vds-conversion/-/blob/master/docs/gcp/QUICKSTART.md) | [SegY to oVDS Conversion](https://community.opengroup.org/osdu/platform/data-flow/ingestion/segy-to-vds-conversion) |
 
+## External Data Services and APIs
+| **Service** | **Open API Spec** | **Documentation** | **Code Repository** |
+|-------------|-------------------|-------------------|---------------------|
+| Ingestion Workflow Service | [API](https://community.opengroup.org/osdu/platform/data-flow/ingestion/ingestion-workflow/-/blob/master/docs/api/openapi.workflow.yaml) | [Docs](https://community.opengroup.org/osdu/platform/data-flow/ingestion/ingestion-workflow/-/blob/master/README.md) | [Ingestion Workflow]
+
 ## Reference Systems Services and APIs
 
 <table>