# APIClarity Spec Differ Module API

**Canonical:** https://apis.io/apis/apiclarity/apiclarity-spec-differ-module-api/  
**Provider:** APIClarity — https://apis.io/providers/apiclarity/  
**Base URL:** https://apiclarity-server/api/modules/spec_differ  
**Documentation:** https://github.com/openclarity/apiclarity/tree/master/backend/pkg/modules/internal/spec_differ

APIClarity Spec Differ Module API is one of 11 APIs that [APIClarity](https://apis.io/providers/apiclarity/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Spec Diff, Shadow APIs, and API Governance. The published artifact set on APIs.io includes an OpenAPI specification and a GitHub repository.

Compares observed API traces against the provided or reconstructed specification to surface shadow APIs (observed but undocumented), zombie APIs (observed but marked deprecated) and drift. Served under /api/modules/spec_differ.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/{apiID}/start` | Start Differ for an API |
| POST | `/{apiID}/stop` | Stop Differ for an API |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/apiclarity/refs/heads/main/openapi/apiclarity-spec-differ-module-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/apiclarity/refs/heads/main/overlays/apiclarity-spec-differ-module-overlay.yaml
- **AgentSkill** — https://raw.githubusercontent.com/api-evangelist/apiclarity/refs/heads/main/skills/apiclarity-hunt-shadow-and-zombie-apis.md
- **GitHubRepository** — https://github.com/openclarity/apiclarity

## Other APIClarity APIs (10)

- [APIClarity API Events API](https://apis.io/apis/apiclarity/apiclarity-api-events-api/)
- [APIClarity API Inventory API](https://apis.io/apis/apiclarity/apiclarity-api-inventory-api/)
- [APIClarity Control API](https://apis.io/apis/apiclarity/apiclarity-control-api/)
- [APIClarity Features API](https://apis.io/apis/apiclarity/apiclarity-features-api/)
- [APIClarity BFLA Module API](https://apis.io/apis/apiclarity/apiclarity-bfla-module-api/)
- [APIClarity Fuzzer Module API](https://apis.io/apis/apiclarity/apiclarity-fuzzer-module-api/)
- [APIClarity Trace Analyzer Module API](https://apis.io/apis/apiclarity/apiclarity-trace-analyzer-module-api/)
- [APIClarity Spec Reconstructor Module API](https://apis.io/apis/apiclarity/apiclarity-spec-reconstructor-module-api/)
- [APIClarity Plugins Telemetry API](https://apis.io/apis/apiclarity/apiclarity-plugins-telemetry-api/)
- [APIClarity Notifications API](https://apis.io/apis/apiclarity/apiclarity-notifications-api/)

## Tags

Spec Diff, Shadow APIs, API Governance

---

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