# Notation Plugin Extensibility

**Canonical:** https://apis.io/apis/notary/notation-plugin-framework/  
**Provider:** Notary Project — https://apis.io/providers/notary/  
**Documentation:** https://github.com/notaryproject/specifications/blob/main/specs/plugin-extensibility.md

Notation Plugin Extensibility is one of 4 APIs that [Notary Project](https://apis.io/providers/notary/) publishes on the [APIs.io](https://apis.io/) network. This API exposes 2 JSON Schema definitions. Tagged areas include Extensibility, Key Management, Plugin, and Signing. The published artifact set on APIs.io includes API documentation, an API reference, a GitHub repository, and 2 JSON Schemas.

The Notation plugin extensibility specification defines the interface that third-party plugins must implement to integrate with Notation for key management, signing, and verification operations. Plugins allow Notation to work with hardware security modules, cloud key management services, and other external credential systems.

## Machine-readable artifacts (5)

- **Documentation** — https://github.com/notaryproject/specifications/blob/main/specs/plugin-extensibility.md
- **Reference** — https://pkg.go.dev/github.com/notaryproject/notation-plugin-framework-go/plugin
- **GitHubRepository** — https://github.com/notaryproject/notation-go
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/notary/refs/heads/main/json-schema/notary-plugin-schema.json
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/notary/refs/heads/main/json-schema/notary-plugin-protocol-schema.json

## Other Notary Project APIs (3)

- [Notary Project Signing Specification](https://apis.io/apis/notary/notary-spec/)
- [Notation CLI](https://apis.io/apis/notary/notation-cli/)
- [notation-go Library](https://apis.io/apis/notary/notation-go/)

## Tags

Extensibility, Key Management, Plugin, Signing

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