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

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What is Blast Testnet?

Blast Testnet is an EVM-compatible testnet. It is a testnet for BLAST.

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What is the Blast Testnet 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=23888. Include the JSON-RPC method and params in the request body.

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Supported networks

NetworkTypeChain ID
BLASTMainnet81457
Blast SepoliaTestnet168587773
Blast TestnetTestnet23888

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API reference

Browse the available method groups for this chain: