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ChainETL

Blockchain data pipelines

Extract blockchain data and load it into your data warehouse. Real-time and batch processing for Ethereum, Base, and more.

Stop writing custom indexers. Get clean, typed data in Parquet, JSON, or direct to your database.

What it does

  • • Extract blocks, transactions, logs, traces
  • • Multi-chain support (Ethereum, Base L2)
  • • Output to Parquet, JSON, PostgreSQL
  • • Incremental sync with checkpointing
  • • Type-safe Python SDK
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