# Blast Sepolia RPC and network details

Source: https://www.alchemy.com/rpc/blast-sepolia

Blast Sepolia is the primary testnet for the Blast L2, allowing you to test your application against Blast's native yield.

## Network details

- Network: Sepolia
- Chain ID: 168587773
- Environment: Testnet
- Category: L2
- Native token: BLAST
- Gas token: BLAST
- Block time: 1-2s

## Endpoints

- Alchemy RPC: https://blast-sepolia.g.alchemy.com/v2/API_KEY
- Alchemy WebSocket: wss://blast-sepolia.g.alchemy.com/v2/API_KEY

Replace API_KEY with a key from https://dashboard.alchemy.com/signup.

## Alchemy product support

Supported on Blast Sepolia: RPC API, Debug API, Token API, NFT API, Websockets, Webhooks, Transfers API.

Not currently supported: Transaction receipts API, Block Timestamp API, User OP Simulation API, Prices API, Trace API, Bundler API, gRPC, Gas Manager.

## Build on Alchemy

Alchemy provides Blast Sepolia RPC endpoints and a suite of data APIs so you can seamlessly connect to Blast's test environment. With Alchemy's reliable data, you can harden your code and confidently ship to mainnet.

## Available networks

- Blast Mainnet: https://www.alchemy.com/rpc/blast

## Links

- Alchemy docs: https://docs.alchemy.com/reference/blast-chain-api-quickstart
- Official docs: https://docs.blast.io/about-blast
- Website: https://blast.io/
- GitHub: https://github.com/BLASTchain/blast
- Block explorer: https://sepolia.blastscan.io/
- Bridge: https://blast.io/en/bridge