getmempoolancestors | Bitcoin

The getmempoolancestors method retrieves all in-mempool ancestors for a specific transaction in the mempool.

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Get an unconfirmed transaction hash

For the example to work, get an unconfirmed transaction hash from mempool.space.

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Empty result

If there is no pending transaction in the mempool that is an ancestor to the one you are querying, you will get an empty response.

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Parameters

• txid (required) — the transaction ID for which to retrieve in-mempool ancestors.

Response

• result — an array containing all in-mempool ancestor transactions for the specified transaction.
• error — an object containing an error message if an error occurred, otherwise null.
• id — an integer representing the ID of the request, used to match requests with responses.

Use case

The getmempoolancestors method is useful for exploring the ancestry of a transaction in the mempool. It provides insights into the chain of transactions that are waiting to be included in a block.

Try the getmempoolancestors RPC method yourself