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Get ledger info

GET
/
curl https://api.mainnet.aptoslabs.com/v1/

Get the latest ledger information, including data such as chain ID, role type, ledger versions, epoch, etc.

Responses

200

The struct holding all data returned to the client by the index endpoint (i.e., GET ”/”). Only for responding in JSON

object
chain_id
required

Chain ID of the current chain

integer format: uint8
epoch
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
ledger_version
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
oldest_ledger_version
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
ledger_timestamp
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
node_role
required
string
Allowed values: validator full_node
oldest_block_height
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
block_height
required

A string containing a 64-bit unsigned integer.

We represent u64 values as a string to ensure compatibility with languages such as JavaScript that do not parse u64s in JSON natively.

string format: uint64
32425224034
git_hash

Git hash of the build of the API endpoint. Can be used to determine the exact software version used by the API endpoint.

string

Headers

X-APTOS-CHAIN-ID
required
integer format: uint8

Chain ID of the current chain

X-APTOS-LEDGER-VERSION
required
integer format: uint64

Current ledger version of the chain

X-APTOS-LEDGER-OLDEST-VERSION
required
integer format: uint64

Oldest non-pruned ledger version of the chain

X-APTOS-LEDGER-TIMESTAMPUSEC
required
integer format: uint64

Current timestamp of the chain

X-APTOS-EPOCH
required
integer format: uint64

Current epoch of the chain

X-APTOS-BLOCK-HEIGHT
required
integer format: uint64

Current block height of the chain

X-APTOS-OLDEST-BLOCK-HEIGHT
required
integer format: uint64

Oldest non-pruned block height of the chain

X-APTOS-GAS-USED
integer format: uint64

The cost of the call in terms of gas

X-APTOS-CURSOR
string

Cursor to be used for endpoints that support cursor-based pagination. Pass this to the start field of the endpoint on the next call to get the next page of results.

400

application/json

This is the generic struct we use for all API errors, it contains a string message and an Aptos API specific error code.

object
message
required

A message describing the error

string
error_code
required

These codes provide more granular error information beyond just the HTTP status code of the response.

string
Allowed values: account_not_found resource_not_found module_not_found struct_field_not_found version_not_found transaction_not_found table_item_not_found block_not_found state_value_not_found version_pruned block_pruned invalid_input invalid_transaction_update sequence_number_too_old vm_error health_check_failed mempool_is_full internal_error web_framework_error bcs_not_supported api_disabled
vm_error_code

A code providing VM error details when submitting transactions to the VM

integer format: uint64

Headers

X-APTOS-CHAIN-ID
integer format: uint8

Chain ID of the current chain

X-APTOS-LEDGER-VERSION
integer format: uint64

Current ledger version of the chain

X-APTOS-LEDGER-OLDEST-VERSION
integer format: uint64

Oldest non-pruned ledger version of the chain

X-APTOS-LEDGER-TIMESTAMPUSEC
integer format: uint64

Current timestamp of the chain

X-APTOS-EPOCH
integer format: uint64

Current epoch of the chain

X-APTOS-BLOCK-HEIGHT
integer format: uint64

Current block height of the chain

X-APTOS-OLDEST-BLOCK-HEIGHT
integer format: uint64

Oldest non-pruned block height of the chain

X-APTOS-GAS-USED
integer format: uint64

The cost of the call in terms of gas

403

application/json

This is the generic struct we use for all API errors, it contains a string message and an Aptos API specific error code.

object
message
required

A message describing the error

string
error_code
required

These codes provide more granular error information beyond just the HTTP status code of the response.

string
Allowed values: account_not_found resource_not_found module_not_found struct_field_not_found version_not_found transaction_not_found table_item_not_found block_not_found state_value_not_found version_pruned block_pruned invalid_input invalid_transaction_update sequence_number_too_old vm_error health_check_failed mempool_is_full internal_error web_framework_error bcs_not_supported api_disabled
vm_error_code

A code providing VM error details when submitting transactions to the VM

integer format: uint64

Headers

X-APTOS-CHAIN-ID
integer format: uint8

Chain ID of the current chain

X-APTOS-LEDGER-VERSION
integer format: uint64

Current ledger version of the chain

X-APTOS-LEDGER-OLDEST-VERSION
integer format: uint64

Oldest non-pruned ledger version of the chain

X-APTOS-LEDGER-TIMESTAMPUSEC
integer format: uint64

Current timestamp of the chain

X-APTOS-EPOCH
integer format: uint64

Current epoch of the chain

X-APTOS-BLOCK-HEIGHT
integer format: uint64

Current block height of the chain

X-APTOS-OLDEST-BLOCK-HEIGHT
integer format: uint64

Oldest non-pruned block height of the chain

X-APTOS-GAS-USED
integer format: uint64

The cost of the call in terms of gas

500

application/json

This is the generic struct we use for all API errors, it contains a string message and an Aptos API specific error code.

object
message
required

A message describing the error

string
error_code
required

These codes provide more granular error information beyond just the HTTP status code of the response.

string
Allowed values: account_not_found resource_not_found module_not_found struct_field_not_found version_not_found transaction_not_found table_item_not_found block_not_found state_value_not_found version_pruned block_pruned invalid_input invalid_transaction_update sequence_number_too_old vm_error health_check_failed mempool_is_full internal_error web_framework_error bcs_not_supported api_disabled
vm_error_code

A code providing VM error details when submitting transactions to the VM

integer format: uint64

Headers

X-APTOS-CHAIN-ID
integer format: uint8

Chain ID of the current chain

X-APTOS-LEDGER-VERSION
integer format: uint64

Current ledger version of the chain

X-APTOS-LEDGER-OLDEST-VERSION
integer format: uint64

Oldest non-pruned ledger version of the chain

X-APTOS-LEDGER-TIMESTAMPUSEC
integer format: uint64

Current timestamp of the chain

X-APTOS-EPOCH
integer format: uint64

Current epoch of the chain

X-APTOS-BLOCK-HEIGHT
integer format: uint64

Current block height of the chain

X-APTOS-OLDEST-BLOCK-HEIGHT
integer format: uint64

Oldest non-pruned block height of the chain

X-APTOS-GAS-USED
integer format: uint64

The cost of the call in terms of gas

503

application/json

This is the generic struct we use for all API errors, it contains a string message and an Aptos API specific error code.

object
message
required

A message describing the error

string
error_code
required

These codes provide more granular error information beyond just the HTTP status code of the response.

string
Allowed values: account_not_found resource_not_found module_not_found struct_field_not_found version_not_found transaction_not_found table_item_not_found block_not_found state_value_not_found version_pruned block_pruned invalid_input invalid_transaction_update sequence_number_too_old vm_error health_check_failed mempool_is_full internal_error web_framework_error bcs_not_supported api_disabled
vm_error_code

A code providing VM error details when submitting transactions to the VM

integer format: uint64

Headers

X-APTOS-CHAIN-ID
integer format: uint8

Chain ID of the current chain

X-APTOS-LEDGER-VERSION
integer format: uint64

Current ledger version of the chain

X-APTOS-LEDGER-OLDEST-VERSION
integer format: uint64

Oldest non-pruned ledger version of the chain

X-APTOS-LEDGER-TIMESTAMPUSEC
integer format: uint64

Current timestamp of the chain

X-APTOS-EPOCH
integer format: uint64

Current epoch of the chain

X-APTOS-BLOCK-HEIGHT
integer format: uint64

Current block height of the chain

X-APTOS-OLDEST-BLOCK-HEIGHT
integer format: uint64

Oldest non-pruned block height of the chain

X-APTOS-GAS-USED
integer format: uint64

The cost of the call in terms of gas