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POST
getGenesisHash
curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getGenesisHash"
}
'
{
  "jsonrpc": "2.0",
  "id": "1",
  "result": "GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC"
}

Documentation Index

Fetch the complete documentation index at: https://www.helius.dev/docs/llms.txt

Use this file to discover all available pages before exploring further.

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

The JSON-RPC protocol version.

Available options:
2.0
Example:

"2.0"

​
id
string
default:1

A unique identifier for the request.

Example:

"1"

​
method
enum<string>
default:getGenesisHash

The name of the RPC method to invoke.

Available options:
getGenesisHash
Example:

"getGenesisHash"

Response

Successfully retrieved the genesis hash.

​
jsonrpc
enum<string>

The JSON-RPC protocol version.

Available options:
2.0
Example:

"2.0"

​
id
string

Identifier matching the request.

Example:

"1"

​
result
string

Unique genesis hash (base-58 encoded) that cryptographically identifies this specific Solana blockchain network (different for mainnet, testnet, devnet).

Example:

"GH7ome3EiwEr7tu9JuTh2dpYWBJK3z69Xm1ZE3MEE6JC"