generated: '2026-07-18' method: searched source: https://registry.npmjs.org (npm search "cxnpl") description: >- First-party npm packages published under Constantinople's @cxnpl npm scope. These are internal web-platform / Next.js tooling libraries, NOT client SDKs for the Constantinople banking API. The banking-platform SDKs referenced in the (gated) documentation — a React Native SDK and embedded webview — are not published to public registries, so no first-party API client SDK is available to catalog. No PyPI, Maven Central, NuGet, pkg.go.dev, RubyGems, Packagist, or crates.io first-party packages were found. packages: - registry: npm name: '@cxnpl/next-app-middleware' url: https://www.npmjs.com/package/@cxnpl/next-app-middleware official: true api_client: false kind: web-tooling description: >- Next.js app-router middleware library (a fork of whopio/next-app-middleware). - registry: npm name: '@cxnpl/next-app-middleware-codegen' url: https://www.npmjs.com/package/@cxnpl/next-app-middleware-codegen official: true api_client: false kind: web-tooling description: Code generator for @cxnpl/next-app-middleware. - registry: npm name: '@cxnpl/next-app-middleware-runtime' url: https://www.npmjs.com/package/@cxnpl/next-app-middleware-runtime official: true api_client: false kind: web-tooling description: Runtime types and ejected router for @cxnpl/next-app-middleware. candidates: - name: React Native SDK source: https://www.cxnpl.com/resources/documentation status: documented-not-published note: >- Listed under "SDKs & Apps" in the platform documentation index (React Native SDK, embedded webview) but not published to any public package registry; distributed to licensed banking customers only.