---
title: "CertIndex API"
account: ctindex
slug: certindex-api
---

# CertIndex API

Certificate Transparency: search certificates, track domains, subdomains and suspicious issuance alerts

- Operations: 97
- Versions: 1 (latest `d5bc0ec85bc9`)
- Source: https://api.ctindex.io/openapi.json
- OpenAPI document: https://skmtc.dev/ctindex/apis/certindex-api/revisions/d5bc0ec85bc9?raw

## Operations

97 in total, by tag:

- health (8)
- keys (4)
- demo (1)
- auth (11)
- me (16)
- billing (6)
- mcp (7)
- stream (2)
- status (3)
- certificates (3)
- domains (3)
- subdomains (2)
- exports (1)
- alerts (6)
- usage (2)
- provisioned-domains (4)
- high-assurance (8)
- cases (5)
- firehose (1)
- audit (2)
- sweeps (2)

Every operation, with a link to its markdown: https://skmtc.dev/ctindex/apis/certindex-api/llms.txt