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Documentation Index

Fetch the complete documentation index at: https://docs.uniblock.dev/llms.txt

Use this file to discover all available pages before exploring further.

Blast Sepolia (BLAST) RPC Use Uniblock’s JSON-RPC endpoint to access Blast Sepolia (BLAST) with low-latency routing and a single API surface across providers.

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What is Blast Sepolia?

Blast Sepolia is an EVM-compatible testnet. It is a testnet for BLAST. Its ticker symbol is BLAST.

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What is the Blast Sepolia (BLAST) JSON-RPC API?

The JSON-RPC API is the standard interface for reading chain state, sending transactions, and interacting with smart contracts where supported.

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Making API requests

Send a POST request to https://api.uniblock.dev/uni/v1/json-rpc?chainId=168587773. Include the JSON-RPC method and params in the request body.

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Supported networks

NetworkSymbolTypeChain ID
BLASTBLASTMainnet81457
Blast SepoliaBLASTTestnet168587773
Blast TestnetBLASTTestnet23888

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API reference

Browse the available method groups for this chain: