Build a Solana Indexer with Yellowstone gRPC
An indexer turns raw on-chain data into queryable tables. Yellowstone gRPC is the ideal source: one stream feeds your whole pipeline with accounts, transactions and slots.
The pipeline
Stream → decode → persist. Subscribe to the accounts and programs you index, decode the account data (zero-copy where it matters), and write to your store. Use the slot stream to track progress and detect gaps.
Handling reconnects and gaps
Long-lived streams can drop. Keep the last processed slot, and on reconnect resume and backfill any gap via RPC. A provider with no 15-minute idle timeout makes this far less painful.
Why unmetered fits indexers
Indexers are the canonical high-volume, always-on consumer. Per-credit billing is brutal here; flat-rate unmetered streaming keeps your infra cost a constant line item.
FAQ
Do I need historical replay?
Yellowstone streams live data. For backfill, pair the live stream with RPC getProgramAccounts or a snapshot, then keep the index current from the stream.
What database should I use?
Anything that handles your write rate: Postgres for moderate volume, ClickHouse or a columnar store for analytics-heavy indexes.
Unmetered Yellowstone gRPC. No rate limits, no credit system. US East.
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