Substreams
A gRPC based parallel streaming engine designed for fast, reliable, and scalable data indexing
FREE — 7M blocks · 5 GiB egress
Get API keyBlockchain data infrastructure
Substreams and Firehose across 90+ networks. Write a transform, point it at a chain, backfill in minutes. No node to run, no reindex when requirements change.
$ substreams gui \--substreams-api-token=$SF_API_TOKEN \ethereum-explorer@v0.1.0 map_block◇ connecting …◇ backfilling ████████████████ 100%◇ streaming from headblock 23481902 · 214 txs · 18msblock 23481903 · 188 txs · 16msblock 23481904 · 240 txs · 21ms
A gRPC based parallel streaming engine designed for fast, reliable, and scalable data indexing
FREE — 7M blocks · 5 GiB egress
Get API keyThousands of ready-to-fork packages. Same team, same stack.