Polkadot · Rate Limits
Subscan
Rate limits enforced by the Subscan API service for accessing indexed Substrate blockchain data on Polkadot, Kusama, and related networks.
Subscan is the machine-readable rate-limit profile for Polkadot on the APIs.io network, conforming to the API Commons Rate Limits specification.
It captures 3 rate-limit definitions.
Tagged areas include Blockchain, Polkadot, Parachain, Substrate, and Crypto.
3 Limits
BlockchainPolkadotParachainSubstrateCryptoWeb3
Limits
Single API key allowed per account on the Free plan.
Work with this as data
Every rate limit here is available over the APIs.io API and to AI agents over MCP.