Polkadot (DOT) Overview - Uniblock Docs

Polkadot is a non-EVM mainnet. Its ticker symbol is DOT. Use Uniblock’s JSON-RPC endpoint to read chain state, send transactions, and interact with smart contracts through a single API surface across providers.

Connect to Polkadot

Send JSON-RPC requests with POST to: https://api.uniblock.dev/uni/v1/json-rpc?chainId=polkadot Include the JSON-RPC method and parameters in the request body.

Example request

Make a simple system_chain request with cURL:

curl --request POST 'https://api.uniblock.dev/uni/v1/json-rpc?chainId=polkadot' \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: YOUR_UNIBLOCK_API_KEY' \
  --data '{"jsonrpc":"2.0","method":"system_chain","params":[],"id":1}'

Network	Symbol	Type	Chain ID
Bridge Hub	`DOT`	Mainnet	`bridge-hub`
Collectives	`DOT`	Mainnet	`collectives`
Coretime	`DOT`	Mainnet	`coretime`
People Polkadot	`DOT`	Mainnet	`people-polkadot`
Polkadot	`DOT`	Mainnet	`polkadot`
Paseo	`PAS`	Testnet	`paseo`

API reference

Browse the available method groups for this chain:

Polkadot

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