Solana transaction simulation for builders and traders

Access network-wide information like epoch data, inflation rates, and performance metrics.

getMinimumBalanceForRentExemption

Returns the minimum balance required for rent exemption.

Parameters

Name	Type	Description
`dataLen`*	`integer`	The account data length in bytes.
`commitment`	`object`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'

Result

Field	Type	Description
`result`	`integer`	getMinimumBalanceForRentExemption - Returns minimum balance for rent exemption

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getMinimumBalanceForRentExemption",
  "params": {
    "dataLen": 0,
    "commitment": {
      "commitment": "Processed"
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getMinimumBalanceForRentExemption",  "params": {    "dataLen": 0,    "commitment": {      "commitment": "Processed"    }  }}

getInflationGovernor

Retrieves the inflation governor settings.

Parameters

Name	Type	Description
`commitment`	`object`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'

Result

Field	Type	Description
`foundation`	`number`
`foundationTerm`	`number`
`initial`	`number`
`taper`	`number`
`terminal`	`number`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getInflationGovernor",
  "params": {
    "commitment": {
      "commitment": "Processed"
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getInflationGovernor",  "params": {    "commitment": {      "commitment": "Processed"    }  }}

getInflationRate

Retrieves the current inflation rate.

Result

Field	Type	Description
`epoch`	`integer`
`foundation`	`number`
`total`	`number`
`validator`	`number`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getInflationRate",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getInflationRate",  "params": []}

getEpochSchedule

Retrieves the epoch schedule.

Result

Field	Type	Description
`firstNormalEpoch`	`integer`	First normal-length epoch, if any
`firstNormalSlot`	`integer`	First normal-length slot
`leaderScheduleSlotOffset`	`integer`	Duration of leader schedule slot in each epoch
`slotsPerEpoch`	`integer`	Number of slots in each epoch
`warmup`	`boolean`	Whether epochs start short and grow

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getEpochSchedule",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getEpochSchedule",  "params": []}

getSlotLeader

Retrieves the leader of the current slot.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`result`	`string`	getSlotLeader - Returns the leader of the current slot

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getSlotLeader",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getSlotLeader",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getSlotLeaders

Retrieves the leaders for a specified range of slots.

Parameters

Name	Type	Description
`startSlot`*	`integer`	The starting slot to query for leaders.
`limit`*	`integer`	The maximum number of leaders to return.

Result

Field	Type	Description
`result`	`array<string>`	getSlotLeaders - Returns leaders for a specified range of slots

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getSlotLeaders",
  "params": {
    "startSlot": 123456789,
    "limit": 0
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getSlotLeaders",  "params": {    "startSlot": 123456789,    "limit": 0  }}

getBlockProduction

Retrieves block production information.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`object`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`identity`	`string`	Filter by validator identity, as a base-58 encoded string.
└`range`	`object`	Slot range to query.
└`firstSlot`	`integer`	The first slot to include in the range.
└`lastSlot`	`integer`	The last slot to include in the range.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`object`
└`byIdentity`	`object`
└`range`	`object`
└`firstSlot`	`integer`
└`lastSlot`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlockProduction",
  "params": {
    "config": {
      "commitment": {
        "commitment": "Processed"
      },
      "identity": "<some-identity>",
      "range": {
        "firstSlot": 123456789,
        "lastSlot": 123456789
      }
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlockProduction",  "params": {    "config": {      "commitment": {        "commitment": "Processed"      },      "identity": "<some-identity>",      "range": {        "firstSlot": 123456789,        "lastSlot": 123456789      }    }  }}

getInflationReward

Returns the inflation reward for a given address.

Parameters

Name	Type	Description
`addresses`*	`array[string]`	An array of public keys to query, as base-58 encoded strings.
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`epoch`	`integer`	The epoch number to query.
└`minContextSlot`	`integer`	The minimum context slot for the epoch.

Result

Field	Type	Description
`result`	`array<RpcInflationReward>`	getInflationReward - Returns inflation rewards for given addresses
└`[]`	`object`	Array item
└`amount`	`integer`
└`commission`	`integer`
└`effectiveSlot`	`integer`
└`epoch`	`integer`
└`postBalance`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getInflationReward",
  "params": {
    "addresses": [
      "83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri"
    ],
    "config": {
      "commitment": "Processed",
      "epoch": 100,
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getInflationReward",  "params": {    "addresses": [      "83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri"    ],    "config": {      "commitment": "Processed",      "epoch": 100,      "minContextSlot": 123456789    }  }}

getRecentPerformanceSamples

Returns the recent performance samples.

Parameters

Name	Type	Description
`limit`	`integer`	The maximum number of samples to return.

Result

Field	Type	Description
`result`	`array<RpcPerfSample>`	getRecentPerformanceSamples - Returns recent performance samples
└`[]`	`object`	Array item
└`numNonVoteTransactions`	`integer`
└`numSlots`	`integer`
└`numTransactions`	`integer`
└`samplePeriodSecs`	`integer`
└`slot`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getRecentPerformanceSamples",
  "params": {
    "limit": 0
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getRecentPerformanceSamples",  "params": {    "limit": 0  }}

getMaxRetransmitSlot

Returns the maximum retransmit slot.

Result

Field	Type	Description
`result`	`integer`	getMaxRetransmitSlot - Returns maximum retransmit slot

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getMaxRetransmitSlot",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getMaxRetransmitSlot",  "params": []}

getMaxShredInsertSlot

Returns the maximum shred insert slot.

Result

Field	Type	Description
`result`	`integer`	getMaxShredInsertSlot - Returns maximum shred insert slot

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getMaxShredInsertSlot",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getMaxShredInsertSlot",  "params": []}

minimumLedgerSlot

Returns the minimum ledger slot.

Result

Field	Type	Description
`result`	`integer`	minimumLedgerSlot - Returns minimum ledger slot

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "minimumLedgerSlot",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "minimumLedgerSlot",  "params": []}

getBlock

Returns the block for a given slot.

Parameters

Name	Type	Description
`slot`*	`integer`	The slot to query for the block.
`config`	`object`	Configuration object for the query.
└`commitment`	`object`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`encoding`	`string`	Encoding for transaction data.
└`maxSupportedTransactionVersion`	`integer`	The maximum transaction version to support.
└`rewards`	`boolean`	Whether to return rewards.
└`transactionDetails`	`string`	Level of transaction detail to return.

Result

Field	Type	Description
`blockHeight`	`integer`	Block height
`blockTime`	`integer`	Block time
`blockhash`	`string`	Block hash
`parentSlot`	`integer`	Parent slot
`previousBlockhash`	`string`	Previous block hash

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlock",
  "params": {
    "slot": 123456789,
    "config": {
      "commitment": {
        "commitment": "Processed"
      },
      "encoding": "binary",
      "maxSupportedTransactionVersion": 0,
      "rewards": true,
      "transactionDetails": "full"
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlock",  "params": {    "slot": 123456789,    "config": {      "commitment": {        "commitment": "Processed"      },      "encoding": "binary",      "maxSupportedTransactionVersion": 0,      "rewards": true,      "transactionDetails": "full"    }  }}

getBlockTime

Returns the block time for a given slot.

Parameters

Name	Type	Description
`slot`*	`integer`	The slot to query for the block time.

Result

Field	Type	Description
`result`	`integer`	getBlockTime - Returns block time for a given slot

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlockTime",
  "params": {
    "slot": 123456789
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlockTime",  "params": {    "slot": 123456789  }}

getBlocks

Returns the blocks for a given range of slots.

Parameters

Name	Type	Description
`startSlot`*	`integer`	The starting slot to query for blocks.
`wrapper`	`string`	Wrapper for end slot or context configuration.
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`result`	`array<integer>`	getBlocks - Returns blocks for a range of slots

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlocks",
  "params": {
    "startSlot": 123456789,
    "wrapper": 0,
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlocks",  "params": {    "startSlot": 123456789,    "wrapper": 0,    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getBlocksWithLimit

Returns the blocks for a given range of slots with a limit.

Parameters

Name	Type	Description
`startSlot`*	`integer`	The starting slot to query for blocks.
`limit`*	`integer`	The maximum number of blocks to return.
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`result`	`array<integer>`	getBlocksWithLimit - Returns blocks with limit

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlocksWithLimit",
  "params": {
    "startSlot": 123456789,
    "limit": 0,
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlocksWithLimit",  "params": {    "startSlot": 123456789,    "limit": 0,    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getFirstAvailableBlock

Returns the first available block.

Result

Field	Type	Description
`result`	`integer`	getFirstAvailableBlock - Returns first available block

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getFirstAvailableBlock",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getFirstAvailableBlock",  "params": []}

getLatestBlockhash

Returns the latest blockhash.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`object`
└`blockhash`	`string`
└`lastValidBlockHeight`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getLatestBlockhash",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getLatestBlockhash",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

isBlockhashValid

Returns the blockhash validity.

Parameters

Name	Type	Description
`blockhash`*	`string`	The blockhash to check, as a base-58 encoded string.
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`boolean`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "isBlockhashValid",
  "params": {
    "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "isBlockhashValid",  "params": {    "blockhash": "EkSnNWid2cvwEVnVx9aBqawnmiCNiDgp3gUdkDPTKN1N",    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getRecentPrioritizationFees

Returns the recent prioritization fees.

Parameters

Name	Type	Description
`pubkeys`	`array`	An array of account public keys to query for prioritization fees, as base-58 encoded strings.

Result

Field	Type	Description
`result`	`array<RpcPrioritizationFee>`	getRecentPrioritizationFees - Returns recent prioritization fees
└`[]`	`object`	Array item
└`prioritizationFee`	`integer`
└`slot`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getRecentPrioritizationFees",
  "params": {
    "pubkeys": []
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getRecentPrioritizationFees",  "params": {    "pubkeys": []  }}

getEpochInfo

Returns the epoch info.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`object`
└`absoluteSlot`	`integer`	Absolute root slot
└`blockHeight`	`integer`	Block height
└`epoch`	`integer`	Current epoch
└`slotIndex`	`integer`	Current slot index within the epoch
└`slotsInEpoch`	`integer`	Total number of slots in the epoch
└`transactionCount`	`integer`	Current transaction count

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getEpochInfo",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getEpochInfo",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getGenesisHash

Returns the genesis hash.

Result

Field	Type	Description
`result`	`string`	getGenesisHash - Returns the genesis hash

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getGenesisHash",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getGenesisHash",  "params": []}

getSlot

Returns the current slot.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getSlot",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getSlot",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getBlockHeight

Returns the block height.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getBlockHeight",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getBlockHeight",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getHighestSnapshotSlot

Returns the highest snapshot slot.

Result

Field	Type	Description
`full`	`integer`
`incremental`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getHighestSnapshotSlot",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getHighestSnapshotSlot",  "params": []}

getTransactionCount

Returns the transaction count.

Parameters

Name	Type	Description
`config`	`object`	Configuration object for the query.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`minContextSlot`	`integer`	The minimum context slot for the context.

Result

Field	Type	Description
`context`	`object`
└`apiVersion`	`string`	The API version
└`slot`	`integer`	The current slot
`value`	`integer`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getTransactionCount",
  "params": {
    "config": {
      "commitment": "Processed",
      "minContextSlot": 123456789
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getTransactionCount",  "params": {    "config": {      "commitment": "Processed",      "minContextSlot": 123456789    }  }}

getVersion

Returns the version of the cluster.

Result

Field	Type	Description
`feature-set`	`integer`
`solana-core`	`string`

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getVersion",
  "params": []
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getVersion",  "params": []}

getLeaderSchedule

Returns the leader schedule.

Parameters

Name	Type	Description
`options`	`string`	Wrapper for slot or configuration.
`config`	`object`	Configuration object for the query.
└`commitment`	`object`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'.
└`commitment`	`string \| string \| string`	The commitment describes how finalized a block is at that point in time. Options are 'processed', 'confirmed', or 'finalized'
└`identity`	`string`	Filter by validator identity.

Example

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getLeaderSchedule",
  "params": {
    "options": 0,
    "config": {
      "commitment": {
        "commitment": "Processed"
      },
      "identity": "<some-identity>"
    }
  }
}

{  "jsonrpc": "2.0",  "id": 1,  "method": "getLeaderSchedule",  "params": {    "options": 0,    "config": {      "commitment": {        "commitment": "Processed"      },      "identity": "<some-identity>"    }  }}

Network

getMinimumBalanceForRentExemption

getInflationGovernor

getInflationRate

getEpochSchedule

getSlotLeader

getSlotLeaders

getBlockProduction

getInflationReward

getRecentPerformanceSamples

getMaxRetransmitSlot

getMaxShredInsertSlot

minimumLedgerSlot

getBlock

getBlockTime

getBlocks

getBlocksWithLimit

getFirstAvailableBlock

getLatestBlockhash

isBlockhashValid

getRecentPrioritizationFees

getEpochInfo

getGenesisHash

getSlot

getBlockHeight

getHighestSnapshotSlot

getTransactionCount

getVersion

getLeaderSchedule

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