---
title: "Changes to Get protocol configuration for a specific epoch"
method: GET
path: "/protocol-configuration/{epoch}"
---

# Changes to Get protocol configuration for a specific epoch

`GET /protocol-configuration/{epoch}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 7 of 55 revisions.

- **2026-05-20** `8ba930cf36c9` — 1 info
- **2026-02-09** `7cb313f12e5f` — 1 warning, 1 info
- **2025-11-20** `3ebfe437f6c8` — 1 breaking
- **2025-10-17** `d18a103d55e2` — 1 warning
- **2025-10-16** `002ea1c8a54f` — 1 info
- **2025-10-15** `60d000e0b3fb` — 1 info
- **2025-06-13** `1b81bf42f34b` — 1 breaking

## Changes

- **2026-05-20** `8ba930cf36c9` — 1 info
  - removed the `CardanoImmutableFilesFull` enum value from the `available_signed_entity_types/items/` response property for the response status `200`
- **2026-02-09** `7cb313f12e5f` — 1 warning, 1 info
  - added the new `CardanoBlocksTransactions` enum value to the `available_signed_entity_types/items/` response property for the response status `200`
  - added the optional property `cardano_blocks_transactions_signing_config` to the response with the `200` status
- **2025-11-20** `3ebfe437f6c8` — 1 breaking
  - the response property `cardano_transactions_signing_config` became optional for the status `200`
- **2025-10-17** `d18a103d55e2` — 1 warning
  - added the new `CardanoDatabase` enum value to the `available_signed_entity_types/items/` response property for the response status `200`
- **2025-10-16** `002ea1c8a54f` — 1 info
  - added the non-success response with the status `404`
- **2025-10-15** `60d000e0b3fb` — 1 info
  - endpoint added
- **2025-06-13** `1b81bf42f34b` — 1 breaking
  - api path removed without deprecation

---

[Operation](https://skmtc.dev/input-output-hk/apis/mithril-aggregator-server/docs/protocol-configuration/:epoch/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/protocol-configuration/:epoch/get)