---
title: "Get certificate history"
method: GET
path: "/history"
deprecated: true
---

# Get certificate history

`GET /history`

> **Deprecated.**

**Deprecated — scheduled for removal on 2026-10-01.** Returns SSL/TLS certificate history for a domain, useful for tracking company timeline and domain ownership.

## Query parameters

- `domain` string, required — Domain to get certificate history for.
- `max_records` integer — Maximum records to return (100-10000). Default 1000.

## Response `200`

Successful Response

- HistoryResponse — Response from the /history endpoint.
  - `domain` string, required — Normalized domain name (excluding any subdomain)
  - `certificates` CertificateRecord[] — Array of certificate objects for the queried domain
    - `sha1_fingerprint` string, required — SHA-1 fingerprint of the certificate (DER representation digest)
    - `fqdn` string, required — Fully Qualified Domain Name from the certificate subject
    - `organization` string, nullable — Organization from the certificate subject
    - `city` string, nullable — City from the certificate subject
    - `state` string, nullable — State from the certificate subject
    - `country` string, nullable — Country from the certificate subject
    - `date_from` string, required — Earliest validity time (YYYY-MM-DD HH:MM:SS)
    - `date_to` string, required — Latest validity time (YYYY-MM-DD HH:MM:SS)
    - `alternative_fqdn` string[] — Additional FQDNs from the certificate's Subject Alternative Name

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/discolike/apis/discolike-api.md) · [All operations](https://skmtc.net/discolike/apis/discolike-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/discolike/discolike-api/revisions/3248fc62024c/schema)