# Etch Auditor API

**Canonical:** https://apis.io/apis/etch-systems/etch-systems-auditor-api/  
**Provider:** Etch — https://apis.io/providers/etch-systems/  
**Base URL:** https://etch.systems  
**Documentation:** https://etch.systems/docs

Etch Auditor API is one of 4 APIs that [Etch](https://apis.io/providers/etch-systems/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Auditor. The published artifact set on APIs.io includes an OpenAPI specification.

Public verification surface: pinnable public keys, OSS-format manifest, browser chain-integrity endpoint.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| GET | `/auditor/{slug}/oss-manifest.json` | Stream the OSS etch-verify manifest for a project's chain (offline verify path) |
| GET | `/auditor/{slug}/chain-check.json` | Return recent hash-chain entries for the browser-side integrity widget |
| GET | `/projects/{project_id}/audit-log/public-keys` | Pinnable public keys for offline verification (Ed25519 + SLH-DSA) |
| GET | `/projects/{project_id}/audit-log/dump/manifest` | Signed manifest header for the sealed audit-log SQLite dump |

## Machine-readable artifacts (2)

- **OpenAPI** — https://artifacts.apis.io/etch-systems/openapi/etch-systems-auditor-api-openapi.yml
- **APIsJSON** — https://artifacts.apis.io/etch-systems/apis.yml

## Other Etch APIs (3)

- [Etch Discovery API](https://apis.io/apis/etch-systems/etch-systems-discovery-api/)
- [Etch Onboarding API](https://apis.io/apis/etch-systems/etch-systems-onboarding-api/)
- [Etch Portable identity API](https://apis.io/apis/etch-systems/etch-systems-portable-identity-api/)

## Tags

Auditor

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