Sigstore

Fulcio Certificate Authority API

Fulcio is Sigstore's free Root Certificate Authority for code signing certificates. It issues short-lived signing certificates to software producers based on OIDC authentication. The API provides endpoints for obtaining signing certificates, retrieving trust bundles, and querying CA configuration. The public instance runs at fulcio.sigstore.dev.

GitHub OpenAPI

Documentation

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Documentation
https://docs.sigstore.dev/certificate_authority/overview/

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/sigstore/refs/heads/main/openapi/fulcio-openapi.json

Other Resources

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GitHub Repository
https://github.com/sigstore/fulcio

OpenAPI Specification

fulcio-openapi.json Raw ↑