Polkadot

Substrate Layer 0

Polkadot is a heterogeneous multi-chain protocol enabling cross-chain transfers and shared security across specialized blockchains.

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Quick Facts

Networks 1

Runtime Substrate

Real-time No

Data tables 0

Category Layer 0

Networks

polkadot

Substrate mainnet 0 tables

Quick Start

1curl --compressed -X POST \
'https://portal.sqd.dev/datasets/polkadot/stream' \
-H 'Content-Type: application/json' \
-d '{
    "type": "substrate",
    "fromBlock": 0,
    "toBlock": 100,
    "fields": {
      "block": {"number":true,"timestamp":true},
      "event": {"name":true,"args":true}
    },
    "events": [{}]
  }'

polkadot/stream

Substrate · blocks 0–100

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Access Polkadot data through the SQD Portal — free tier available.

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