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POST
cURL
curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getLatestCompressionSignatures",
  "params": {
    "cursor": "<string>",
    "limit": 1
  }
}
'
{
  "context": {
    "slot": 100
  },
  "value": {
    "items": [
      {
        "blockTime": 1714081554,
        "signature": "5J8H5sTvEhnGcB4R8K1n7mfoiWUD9RzPVGES7e3WxC7c",
        "slot": 100
      }
    ],
    "cursor": "<string>"
  }
}

Authorizations

​
api-key
string
query
required

Your Helius API key. You can get one for free in the dashboard.

Body

application/json
​
jsonrpc
enum<string>
default:2.0
required

The version of the JSON-RPC protocol.

Available options:
2.0
​
id
string
default:1
required

An ID to identify the request.

​
method
enum<string>
default:getLatestCompressionSignatures
required

The name of the method to invoke for retrieving recent Solana compression transaction signatures.

Available options:
getLatestCompressionSignatures
​
params
object
required

Response

Successfully retrieved latest Solana compression transaction signatures

​
context
object
required
​
value
object
required