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updatedAt: 2026-05-28T16:40:20.000Z
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Fetch the complete documentation index at: https://docs.blockdaemon.com/llms.txt. Use this file to discover all available pages before exploring further. Append .md to any documentation page URL to get its markdown version.

# Polkadot

Access Polkadot with Blockdaemon RPC API

You can access Blockdaemon Polkadot infrastructure via:

* [Substrate RPC API](https://docs.blockdaemon.com/docs/access-polkadot-rpc-via-substrate-rpc-api)
* [Substrate Sidecar API](https://docs.blockdaemon.com/docs/access-polkadot-rpc-via-substrate-sidecar-api)
* [Polkadot REST API](https://docs.blockdaemon.com/docs/polkadot-via-polkadot-rest-api)