Polkadot
type: WebAPI
description: Polkadot is a multi-chain blockchain network that enables interoperability between specialized blockchains called parachains. Developer APIs are provided through Subscan (a multi-chain block explorer with a hosted HTTP API) and the Substrate API Sidecar (a REST interface for Polkadot SDK-based chains), enabling queries against extrinsics, events, accounts, blocks, staking data, and parachain state on Polkadot, Kusama, and related networks.
documentation: https://docs.polkadot.com/
terms of service: https://polkadot.com/terms-of-use
keywords: Blockchain
keywords: Polkadot
keywords: Parachain
keywords: Substrate
keywords: Crypto
keywords: Web3
provider: Parity Technologies
has part: Subscan API
  type: WebAPI
  description: Subscan provides a hosted HTTP API for querying indexed on-chain data across more than 90 Substrate-based networks including Polkadot and Kusama. Endpoints cover blocks, extrinsics, events, accounts, staking, tokens, and parachain data.
  documentation: https://support.subscan.io/
  terms of service: https://polkadot.com/terms-of-use
  keywords: Blockchain
  keywords: Polkadot
  keywords: Kusama
  keywords: Extrinsics
  keywords: Events
  keywords: Accounts
  keywords: Blocks
  keywords: Staking
  keywords: Parachain
  openapi: https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/openapi/subscan-swagger.yaml
has part: Substrate API Sidecar
  type: WebAPI
  description: The Substrate API Sidecar is an open-source REST service maintained by Parity Technologies that provides a RESTful interface for interacting with Polkadot SDK-based blockchains. It covers blocks, accounts, transactions, staking, and parachain/coretime data.
  documentation: https://docs.polkadot.com/chain-interactions/query-data/query-rest/
  keywords: Blockchain
  keywords: Polkadot
  keywords: Kusama
  keywords: Accounts
  keywords: Blocks
  keywords: Transactions
  keywords: Staking
  keywords: Parachain
  keywords: Open Source
  openapi: https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/openapi/substrate-api-sidecar-openapi.yaml
has part: Polkadot REST API
  type: WebAPI
  description: The Polkadot REST API is a Rust rewrite of the Substrate API Sidecar, maintained by Parity Technologies, offering REST endpoints for blocks, transactions, accounts, staking, and parachain/coretime data.
  documentation: https://github.com/paritytech/polkadot-rest-api
  keywords: Blockchain
  keywords: Polkadot
  keywords: Transactions
  keywords: Blocks
  keywords: Staking
  keywords: Parachain
  keywords: Rust
  keywords: Open Source
  openapi: https://raw.githubusercontent.com/api-evangelist/polkadot/refs/heads/main/openapi/polkadot-rest-api-openapi.json