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Parameters

​
chainId
string
default:"11155111"
required
Unique identifier for a blockchain network.
​
id
number
default:1
required
Request identifier used to match responses.
​
jsonrpc
string
default:"2.0"
required
JSON-RPC version.
​
method
string
default:"eth_subscribe"
required
JSON-RPC method name.
​
params
object
required
Parameters for eth_subscribe: [subscriptionType, options]. The second parameter is required only for “logs”.Positional parameters for eth_subscribe:
  • params[0]: Subscription type. Must be either “newHeads” or “logs”.
  • params[1]: Filter options for “logs” subscription, or empty object for “newHeads”.

​
Returns

​
result
string
Assigned subscription ID Example: “0xb53c4832f1dca4a5”.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=11155111 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_subscribe",
    "params": [
      "logs",
      {
        "fromBlock": "latest",
        "toBlock": "latest"
      }
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0xb53c4832f1dca4a5"
}