For the complete documentation index, see llms.txt

Midnight Indexer

The Midnight Indexer is a set of components designed to optimize the flow of blockchain data from a Midnight node to end-user applications. It retrieves history of blocks, processes them, stores indexed data efficiently, and provides a GraphQL API for queries and subscriptions.

To download the component, click the appropriate link under Artifacts.

---

VersionAll4.0.03.0.02.1.42.1.32.1.22.1.12.1.02.0.01.0.11.0.0

StatusAllLATESTUNSUPPORTEDDEPRECATED

Release 4.0.0LATEST

17 March 2026

Artifacts

• Indexer API Docker image
• Chain Indexer Docker image
• Wallet Indexer Docker image
• Indexer Standalone Docker image

Summary

• Upgraded Indexer API from v3 to v4.
• Added temporary /api/v3 alias to /api/v4 for migration support.
• Added support for Node 0.22 and Ledger 8.
• Replaced deterministic session IDs with random per-session tokens (indexer-api).
• Added lazy loading for ledger state deserialization to avoid recursion depth limits.