---
title: "Changes to (Unstable) Get the proofs of a Cardano transaction list from Cardano Blocks and Transactions snapshots"
method: GET
path: "/proof/v2/cardano-transaction"
---

# Changes to (Unstable) Get the proofs of a Cardano transaction list from Cardano Blocks and Transactions snapshots

`GET /proof/v2/cardano-transaction`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 260 revisions.

- **2026-04-08** `82428f3522f5`: 1 info
- **2026-03-17** `305d207c21c9`: 2 breaking
- **2026-03-17** `31634eebc0c8`: 1 breaking, 1 info
- **2026-03-02** `582b755e2c9c`: 1 info

## Changes

- **2026-04-08** `82428f3522f5`: 1 info
  - added the required property `security_parameter` to the response with the `200` status
- **2026-03-17** `305d207c21c9`: 2 breaking
  - added `subschema #1, subschema #2` to the `certified_transactions` response property `oneOf` list for the response status `200`
  - the `certified_transactions` response's property type changed from `array` to no type for status `200`
- **2026-03-17** `31634eebc0c8`: 1 breaking, 1 info
  - removed the required property `certified_transactions/items/transactions_hashes` from the response with the `200` status
  - added the required property `certified_transactions/items/items` to the response with the `200` status
- **2026-03-02** `582b755e2c9c`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/docs/proof/v2/cardano-transaction/get.md) - [API](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server.md) - [Page](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/changes/proof/v2/cardano-transaction/get)