/extended/v1/tx/mempool REST API Endpoint

Query Parameters

sender_address string: Filter to only return transactions with this sender address..

recipient_address string: Filter to only return transactions with this recipient address (only applicable for STX transfer tx types)..

address string: Filter to only return transactions with this address as the sender or recipient (recipient only applicable for STX transfer tx types)..

limit integer: max number of mempool transactions to fetch.

offset integer: index of first mempool transaction to fetch.

unanchored boolean: Include transaction data from unanchored (i.e. unconfirmed) microblocks.

Returns

object object

GET request that returns transactions

limit integer: The maximum number of transactions to retrieve.

offset integer: The number of transactions to skip (starting at 0).

total integer: The total number of transactions available.

results array

An array of transactions. Each transaction can be of type MempoolTokenTransferTransaction, MempoolSmartContractTransaction, MempoolContractCallTransaction, MempoolPoisonMicroblockTransaction, or MempoolCoinbaseTransaction.

tx_id string: The ID of the transaction.

nonce integer: The nonce value of the transaction.

fee_rate string: The transaction fee as an integer string.

sender_address string: The address of the transaction initiator.

sponsor_nonce integer: The sponsor nonce value.

sponsored boolean: Denotes whether the originating account is the same as the paying account.

sponsored_address string: The address of the sponsor.

post_condition_mode boolean: The post-condition mode. Possible values: 'allow', 'deny'.

post_conditions array: An array of post conditions. Each condition can be of type PostConditionStx, PostConditionFungible, or PostConditionNonFungible.

anchor_mode string: The anchor mode. Possible values: 'on_chain_only', 'off_chain_only', 'any'.

tx_status string: The status of the transaction. Possible values: 'pending', 'dropped_replace_by_fee', 'dropped_replace_across_fork', 'dropped_too_expensive', 'dropped_stale_garbage_collect'.

receipt_time integer: A unix timestamp (in seconds) indicating when the transaction broadcast was received by the node.

receipt_time_iso integer: A unix timestamp (in seconds) indicating when the transaction broadcast was received by the node.

tx_type string: The type of the transaction. Value: 'token_transfer'.

token_transfer object

Additional information about the token transfer.

recipient_address string: The recipient address.

amount string: The transfer amount as an integer string.

memo string: The hex encoded arbitrary message.

Request

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