generated: '2026-09-02' method: searched source: >- registry.npmjs.org search, pypi.org, rubygems.org and crates.io metadata endpoints, plus the apistack.io site chrome and sitemap (268 URLs, no SDK or developer page) note: >- API Stack publishes no first-party client library in any public registry. Every registry named below was queried unauthenticated on 2026-09-02 and returned no API Stack package. The @apideck/* family on npm (@apideck/node, @apideck/unify, @apideck/vault-js, @apideck/mcp and others) belongs to Apideck's Unify/Vault products, NOT to the API Stack directory, and is catalogued under all/apideck - it is deliberately not claimed here. package_count: 0 packages: [] registries_probed: - registry: npm query: apistack result: no first-party package checked: '2026-09-02' - registry: pypi query: apistack, api-stack result: 404 on both checked: '2026-09-02' - registry: rubygems query: apistack result: 404 checked: '2026-09-02' - registry: crates.io query: apistack result: 404 checked: '2026-09-02' maintainers: - FN: Kin Lane email: info@apievangelist.com