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​
Parameters

​
chainId
string
default:"57054"
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:"dag_getHeads"
required
JSON-RPC method name.
​
params
object
required
Positional parameters for dag_getHeads:
  • params[]: Epoch tag to query (e.g., “pending” or a specific epoch number as a string).

​
Returns

​
result
array
List of event IDs with no descendants in the specified epoch.
curl --request POST \
  --url https://api.uniblock.dev/uni/v1/json-rpc?chainId=57054 \
  --header 'content-type: application/json' \
  --data '{
    "id": 1,
    "jsonrpc": "2.0",
    "method": "dag_getHeads",
    "params": [
      "pending"
    ]
  }'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": []
}