---
title: "Changes to Get certificate by hash"
method: GET
path: "/certificate/{certificate_hash}"
---

# Changes to Get certificate by hash

`GET /certificate/{certificate_hash}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 55 revisions.

- **2026-06-08** `7c599342e846` — 2 info
- **2026-05-13** `64ba32962a74` — 2 info
- **2025-06-13** `1b81bf42f34b` — 4 warning

## Changes

- **2026-06-08** `7c599342e846` — 2 info
  - added the optional property `ancillary_prover_data` to the response with the `200` status
  - added the optional property `ancillary_verifier_data` to the response with the `200` status
- **2026-05-13** `64ba32962a74` — 2 info
  - added the optional property `aggregate_verification_key_snark` to the response with the `200` status
  - added the optional property `genesis_schnorr_signature` to the response with the `200` status
- **2025-06-13** `1b81bf42f34b` — 4 warning
  - removed the optional property `aggregate_verification_key_snark` from the response with the `200` status
  - removed the optional property `ancillary_prover_data` from the response with the `200` status
  - removed the optional property `ancillary_verifier_data` from the response with the `200` status
  - removed the optional property `genesis_schnorr_signature` from the response with the `200` status

---

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