# HackNotice API

**Canonical:** https://apis.io/apis/hacknotice/hacknotice-api/  
**Provider:** HackNotice — https://apis.io/providers/hacknotice/  
**Base URL:** https://extensionapi.hacknotice.com  
**Documentation:** https://api-docs.hacknotice.com

HackNotice API is one of 2 APIs that [HackNotice](https://apis.io/providers/hacknotice/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Threat Intelligence, Security, Monitoring, Alerts, and Third Party Risk. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, and rate-limit docs.

REST API over the HackNotice threat-intelligence platform: authentication, leak and leak-file search, first-party domain watchlists and alerts, third-party vendor watchlists, hacks and alerts, end-user watchlists and alerts, threat-research search over terms, filenames and word pools, vendor security assessments with AI scoring, and aggregate calculation endpoints. Documented by HackNotice as a public Postman collection; access is granted to approved accounts after a consultation call.

## Machine-readable artifacts (11)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/openapi/hacknotice-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/overlays/hacknotice-openapi-overlay.yaml
- **Documentation** — https://api-docs.hacknotice.com
- **APIReference** — https://api-docs.hacknotice.com
- **Postman** — https://api-docs.hacknotice.com
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/authentication/hacknotice-authentication.yml
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/rate-limits/hacknotice-rate-limits.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/errors/hacknotice-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/data-model/hacknotice-data-model.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/conventions/hacknotice-conventions.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/hacknotice/refs/heads/main/apis.yml

## Other HackNotice APIs (1)

- [HackNotice MCP Server](https://apis.io/apis/hacknotice/hacknotice-mcp/)

## Tags

Threat Intelligence, Security, Monitoring, Alerts, Third Party Risk

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/hacknotice/hacknotice-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/hacknotice/.