---
title: "(Unstable) Get most recent Cardano blocks and transactions set snapshots"
method: GET
path: "/artifact/cardano-blocks-transactions"
---

# (Unstable) Get most recent Cardano blocks and transactions set snapshots

`GET /artifact/cardano-blocks-transactions`

Returns the list of the most recent Cardano blocks and transactions set snapshots.
Using this endpoint require Aggregator's capabilities to include `CardanoBlocksTransactions` in the `signed_entity_types`

## Response `200`

Cardano blocks and transactions set snapshots found

- object[] — CardanoBlocksTransactionsSnapshotListMessage represents a list of Cardano blocks and transactions set snapshots
  - `hash` string, bytes, required — Hash of the Cardano Blocks and Transactions snapshot
  - `certificate_hash` string, bytes, required — Hash of the associated certificate
  - `merkle_root` string, bytes, required — Merkle root of the Cardano Blocks and Transactions snapshot
  - `epoch` integer, required — Cardano chain epoch number
  - `block_number_signed` integer, required — The maximum block number signed in the Cardano Blocks and Transactions
  - `block_number_tip` integer, required — The block number of the tip of the chain at snapshot time of the Cardano Blocks and Transactions
  - `created_at` string, date-time,, required — Time of creation

## Other responses

- `default` — Cardano blocks and transactions set snapshots retrieval error

## Changes

- **2026-02-03** `1ae04002e930` — 1 info
  - endpoint added
- **2025-06-13** `1b81bf42f34b` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/changes/artifact/cardano-blocks-transactions/get.md)

---

[API](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server.md) · [All operations](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/llms.txt) · [OpenAPI document](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/revisions/21d6b8556929?raw)