To query a specific block, use a payload like {"block_id": 100000}. To query the latest block, use "params": ["latest"]

Parameters

SUBSCRIPTION_BLOCK_ID

string

The block number in integer, block hash in hexadecimal string, or tag ('latest'). Please note that pre_confirmed tag is not supported

Returns

SUBSCRIPTION_ID

string

An identifier for this subscription stream used to associate events with this subscription

Request

1
# Note: You can specify Starknet version in the URL path
2
# Example: /rpc/v0_9 for version 0.9. Versions 0.6, 0.7, and 0.8 are no longer supported
3
wscat -c rpc/v0_9 \
4
# wait for connection 
5
{"id":1,"jsonrpc":"2.0","method":"starknet_subscribeNewHeads","params":["latest"]}

1
# Note: You can specify Starknet version in the URL path
2
# Example: /rpc/v0_9 for version 0.9. Versions 0.6, 0.7, and 0.8 are no longer supported
3
wscat -c rpc/v0_9 \
4
# wait for connection 
5
{"id":1,"jsonrpc":"2.0","method":"starknet_subscribeNewHeads","params":["latest"]}

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