Chains and endpoints

StreamingFast Substreams chains and endpoints

Chains and endpoints overview

The different blockchains have separate endpoints that Substreams uses. You will use the endpoint that matches the blockchain you've selected for your development initiative.

Supported blockchains and protobuf models

There are different Substreams providers that you can use. StreamingFast and Pinax are the largest providers currently.

Protobuf definitions and public endpoints are provided for the supported protocols and chains.

Tip: All of the endpoints listed in the documentation require authentication before use.

Important: Endpoints serve protobuf models specific to the underlying blockchain protocol and must match the source: field for the module.

Streaming a sf.near.type.v1.Block from an Ethereum endpoint does not work!

Protobuf for the different supported chains

Protocol	Proto model	Latest package
Ethereum	sf.ethereum.type.v2.Block	ethereum-v0.10.4.spkg
NEAR	sf.near.type.v1.Block
Solana	sf.solana.type.v1.Block	solana-v0.1.0.spkg
Cosmos	sf.cosmos.type.v1.Block
Arweave	sf.arweave.type.v1.Block
Bitcoin	sf.bitcoin.type.v1.Block

Official Endpoints

• Ethereum Mainnet: mainnet.eth.streamingfast.io:443

• Ethereum Görli: goerli.eth.streamingfast.io:443

• Ethereum Sepolia: sepolia.eth.streamingfast.io:443

• Ethereum Holesky: holesky.eth.streamingfast.io:443

• Polygon Mainnet: polygon.streamingfast.io:443

• Mumbai Testnet: mumbai.streamingfast.io:443

• Arbitrum One: arb-one.streamingfast.io:443

• BNB: bnb.streamingfast.io:443

• Optimism: opt-mainnet.streamingfast.io:443

• Avalanche C-Chain Mainnet: avalanche-mainnet.streamingfast.io:443

• NEAR Mainnet: mainnet.near.streamingfast.io:443

• NEAR Testnet: testnet.near.streamingfast.io:443

• Solana mainnet-beta: mainnet.sol.streamingfast.io:443

• Arweave Mainnet: mainnet.arweave.streamingfast.io:443

• Bitcoin Mainnet: mainnet.btc.streamingfast.io:443

Community Endpoints

Pinax Endpoints

• Ethereum Mainnet: eth.substreams.pinax.network:9000

• Ethereum Görli: goerli.substreams.pinax.network:9000

• Ethereum Sepolia: sepolia.substreams.pinax.network:9000

• Polygon Mainnet: polygon.substreams.pinax.network:9000

• Mumbai Testnet: mumbai.substreams.pinax.network:9000

• BNB: bsc.substreams.pinax.network:9000

• Chapel Testnet: bsc.substreams.pinax.network:9000

• NEAR Mainnet: near.substreams.pinax.network:9000

• NEAR Testnet: neartest.substreams.pinax.network:9000

You can support other blockchains for Substreams through Firehose instrumentation. Learn more in the official Firehose documentation.