---
title: "Changes to Get operations by hash, counter and nonce"
method: GET
path: "/v1/operations/{hash}/{counter}/{nonce}"
---

# Changes to Get operations by hash, counter and nonce

`GET /v1/operations/{hash}/{counter}/{nonce}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 8 revisions.

- **2026-09-01** `a2e2aba5e534`: 2 breaking, 1 warning, 2 info
- **2025-08-18** `c19a1f124375`: 1 info
- **2024-08-15** `c44a4f7a15bd`: 1 breaking, 2 info
- **2024-02-27** `fff19b7013c0`: 1 info
- **2022-10-19** `ebc2fe14c67a`: 2 info

## Changes

- **2026-09-01** `a2e2aba5e534`: 2 breaking, 1 warning, 2 info
  - the `items/` response's property type changed from `object` to no type for status `200`
  - removed the required property `items/type` from the response with the `200` status
  - removed the optional property `items/id` from the response with the `200` status
  - added `subschema #1` to the `items/` response property `allOf` list for the response status `200`
  - removed discriminator from `items/` response property for the response status `200`
- **2025-08-18** `c19a1f124375`: 1 info
  - added `DalEntrapmentEvidenceOperation, DalAttestationRewardOperation` discriminator mapping keys to the `items/` response property for the response status `200`
- **2024-08-15** `c44a4f7a15bd`: 1 breaking, 2 info
  - the response property `items/type` became nullable for the status `200`
  - added the optional property `items/id` to the response with the `200` status
  - added `set_delegate_parameters, dal_publish_commitment` discriminator mapping keys to the `items/` response property for the response status `200`
- **2024-02-27** `fff19b7013c0`: 1 info
  - added `drain_delegate, update_consensus_key, sr_add_messages, sr_cement, sr_execute, sr_originate, sr_publish, sr_recover_bond, sr_refute, autostaking, staking` discriminator mapping keys to the `items/` response property for the response status `200`
- **2022-10-19** `ebc2fe14c67a`: 2 info
  - added `preendorsement, double_preendorsing, vdf_revelation, register_constant, set_deposits_limit, endorsing_reward, transfer_ticket, tx_rollup_commit, tx_rollup_dispatch_tickets, tx_rollup_finalize_commitment, tx_rollup_origination, tx_rollup_rejection, tx_rollup_remove_commitment, tx_rollup_return_bond, tx_rollup_submit_batch, increase_paid_storage` discriminator mapping keys to the `items/` response property for the response status `200`
  - removed `RegisterConstantOperation` discriminator mapping keys from the `items/` response property for the response status `200`

---

[Operation](https://skmtc.dev/tzkt/apis/tzkt-api/docs/v1/operations/:hash/:counter/:nonce/get.md) - [API](https://skmtc.dev/tzkt/apis/tzkt-api.md) - [Page](https://skmtc.dev/tzkt/apis/tzkt-api/changes/v1/operations/:hash/:counter/:nonce/get)