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Your next on-call Data Engineer

Powered by OpenLineage + OpenTelemetry

Smart Data Intelligence

Ask Ollie about why your pipeline is running slow and Lea about the lineage of your dataset on March 3rd for an audit.

Ollie AI

Ollie

Operational Support Assistant

Your data engineering companion. Ollie helps monitor pipelines, detect anomalies, and provide insights to keep your data infrastructure running smoothly.

Pipeline MonitoringData QualityAnomaly Detection
Lea AI

Lea

Governance & Provenance

Your data governance expert. Lea specializes in compliance, audit trails, and lineage tracking to ensure your data meets regulatory requirements.

ComplianceAudit TrailLineage Tracking

Unified, Cross-Platform Lineage and Monitoring

Unified API and view of your data pipelines metadata and dependencies across your entire data stack. You'll get a lineage events view, a dataset metadata change log, and an audit trail for compliance all at once. Integrating is nothing more than emitting OpenLineage events.

OpenLineage

Observe Any Stack in <5 Minutes

We work seamlessly with the tools you already use. Our lineage events view is compatible with popular data tools like Spark, Airflow, dbt, and Flink, providing the insights you need without disrupting your workflow.

SparkAirflowdbtFlink

We ❤️ Open Source

We're some of the original contributors to OpenLineage and wish to continue to contribute to the community even if you're not an oleander user.

Event Validator

Validate OpenLineage events against the specification schema

OpenLineage

Playground Graph

Visualize lineage events with a graph view

New
Parquet

Parquet Viewer

Browse and explore Parquet file contents

Get Started

Send OpenLineage events directly via HTTP using curl:

sh
curl -X POST https://oleander.dev/api/v1/lineage \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "eventType": "START",
    "eventTime": "2025-09-14T04:18:25.963Z",
    "run": {
      "runId": "bd312b87-b61e-413d-86d2-09643398a45c",
      "facets": {
        "tags": [
          {"key": "trigger", "value": "scheduled"}
        ]
      }
    },
    "job": {
      "namespace": "my-namespace",
      "name": "my-job",
      "facets": {
        "tags": [
          {"key": "environment", "value": "production"}
        ]
      }
    },
    "producer": "https://github.com/OpenLineage/OpenLineage/blob/v1-0-0/client",
    "schemaURL": "https://openlineage.io/spec/1-0-5/OpenLineage.json#/definitions/RunEvent"
  }'

Latest Articles

Sep 8, 2025

Parquet Viewer Evolution: DuckDB to the Rescue

Explore our journey building a browser-based Parquet viewer, from the initial implementation to our current DuckDB-powered solution with filtering and sorting capabilities.

parquetduckdbhyparquet+7
PHPeter Hicks
Read
Oct 29, 2024

Simplify Data Observability with OpenLineage

A practical guide to implementing OpenLineage with Spark and Iceberg. Learn how to set up data lineage tracking in your data pipeline.

tutorialopenlineagespark+3
WLWilly Lulciuc
Read

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