getBlocks RPC Method

Description

Returns a list of confirmed blocks between two slots.

Parameters

1. start_slot (integer) - The start slot, encoded as a u64 (64-bit unsigned integer). Required.
2. end_slot (integer) - The end slot, encoded as a u64 (64-bit unsigned integer). Optional.
3. object (array) - The configuration object with the following fields:
   • commitment (string, optional) - The level of commitment required for the query. Options:
     • finalized - The node will query the most recent block confirmed by the supermajority of the cluster as having reached maximum lockout, meaning the cluster has recognized this block as finalized.
     • confirmed - The node will query the most recent block that has been voted on by the supermajority of the cluster.

Returns

• result - An array of u64 integers listing confirmed blocks between the start_slot and either end_slot (if provided) or the latest confirmed block, inclusive. The maximum range allowed is 500,000 slots.

Code Examples

curl "https://rpc-mainnet.solanatracker.io/?api_key=YOUR_API_KEY_HERE" \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0","id":1,"method":"getBlocks","params":[5, 10]}'