GBuilt byStreamingFast

Blockchain data infrastructure

Raw blockchain data, streamed straight from the source.

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.

Get Started for Free7M blocks & 5 GiB egress included — no credit card required
$ substreams gui \
--substreams-api-token=$SF_API_TOKEN \
ethereum-explorer@v0.1.0 map_block
◇ connecting …
◇ backfilling ████████████████ 100%
◇ streaming from head
block 23481902 · 214 txs · 18ms
block 23481903 · 188 txs · 16ms
block 23481904 · 240 txs · 21ms

Start streaming data in minutes

Built by StreamingFast
Substreams

Substreams

Most popular

A gRPC based parallel streaming engine designed for fast, reliable, and scalable data indexing

FREE — 7M blocks · 5 GiB egress

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71 networksOverviewCommunity SubstreamsSupported Chains
Firehose

Firehose

Stream full archival block flat files

FREE — 7M blocks · 5 GiB egress

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71 networksOverviewReferenceSupported Chains

Poll blockchain data

Operated by partners
Token API

Token API

Pinax

Power your apps with real-time token data from easy to use endpoints

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OverviewReference
Subgraphs

Subgraphs

The Graph

Open API that extracts, processes, and stores blockchain data for easy GraphQL queries

Subgraph Studio
OverviewCommunity Subgraphs

Browse community Substreams on substreams.dev

Thousands of ready-to-fork packages. Same team, same stack.

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Products

  • Substreams
  • Firehose
  • Token API
  • Pricing

Developers

  • Documentation
  • Supported networks
  • Community Substreams
  • FAQ

Ecosystem

  • The Graph
  • Subgraph Studio
  • StreamingFast on GitHub
SFA StreamingFast contribution to The Graph Network
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