What is Expanso and how does it work?

Expanso is a managed platform for deploying intelligent data pipelines at the edge. It processes data where it's generated - reducing bandwidth, latency, and costs. You deploy lightweight agents on your infrastructure, build pipelines using our visual builder or YAML, and control everything from a central SaaS platform.

Can I run AI/ML models directly in my data pipelines?

Yes! Expanso supports running ONNX, TensorFlow Lite, and other models as native pipeline steps. Execute low-latency inference on streaming data, enrich events with model outputs (like risk scores), and make decisions at the edge without cloud round-trips.

How many pre-built components are available?

Expanso provides 200+ pre-built components including inputs (Kafka, HTTP, files), processors (transformations, filtering, PII masking, aggregations), and outputs (S3, Snowflake, Datadog, Splunk). Browse the complete catalog in our Component Reference.

Do I need to write code to build pipelines?

No - use our drag-and-drop visual pipeline builder to create sophisticated pipelines without code. For advanced use cases, you can also write pipelines in YAML or use the Bloblang transformation language for complex data mappings.

How does Expanso help with data governance and compliance?

Expanso includes built-in governance features: automatic PII detection and masking, policy enforcement at the edge, RBAC, SSO integration, and comprehensive audit trails. Mask sensitive data before it ever leaves your network.

Processors

A processor is a unit of logic that transforms, filters, or otherwise processes messages as they flow through your pipeline:

pipeline:
  processors:
    - mapping: |
        root.message = this.content.uppercase()
        root.meta.processed_at = now()

    - filter:
        check: 'this.type == "important"'

Processors can be configured at the input, pipeline, or output level. They are applied in the order they are defined.

Processor Pipelines

Processors can be nested to create complex transformation logic:

pipeline:
  processors:
    - branch:
        processors:
          - cache:
              resource: user_cache
              operator: get
              key: ${! json("user_id") }
        result_map: 'root.user = this'

    - mapping: |
        root.enriched = this.merge(this.user)

Error Handling

Processors can fail during execution. Use the catch processor to handle errors gracefully:

pipeline:
  processors:
    - try:
        - mapping: 'root = this.parse_json()'
    - catch:
        - log:
            message: "Failed to parse: ${! content() }"

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Processor Pipelines

Error Handling

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