generated: '2026-08-13' method: searched source: https://docs.spindl.xyz/technical/javascript-sdk-html-script-guide/install note: >- Versions and publish dates read from the registry metadata endpoints (registry.npmjs.org, search.maven.org, the GitHub releases API) and from the version pinned in the CDN URL, on 2026-08-13. Every first-party Spindl package is stale: the newest release of anything is 2025-01-09, three weeks before Spindl announced it was joining Coinbase, and the mobile SDKs have not shipped since 2023. packages: - language: javascript registry: npm name: "@spindl-xyz/attribution" version: 1.8.1 published: '2025-01-09' release_count: 20 url: https://www.npmjs.com/package/@spindl-xyz/attribution install: npm install @spindl-xyz/attribution repository: https://github.com/spindl-xyz/sdk description: Spindl Web3 Attribution SDK (default) for browser and Node sessions. license: MIT official: true - language: javascript registry: npm name: "@spindl-xyz/attribution-lite" version: 1.8.1 published: '2025-01-09' release_count: 21 url: https://www.npmjs.com/package/@spindl-xyz/attribution-lite install: npm install @spindl-xyz/attribution-lite description: Lightweight (Lite) build of the Spindl attribution SDK. license: MIT official: true - language: javascript registry: npm name: "@spindl-xyz/embed-react" version: 1.0.0 published: '2024-02-28' release_count: 13 url: https://www.npmjs.com/package/@spindl-xyz/embed-react install: npm i @spindl-xyz/embed-react repository: https://github.com/spindl-xyz/spindl-react-embed description: >- Spindl React Embed library — the BannerEmbed component that renders a Spindl ad unit as an iframe. Component surface captured in components/spindl-components.yml. license: MIT official: true note: >- The linked repository github.com/spindl-xyz/spindl-react-embed returns 404 from the GitHub API — the package is published but its source repo is not public. - language: javascript registry: cdn name: spindl attribution browser script version: 1.8.1 published: '2025-01-09' url: https://cdn.spindl.xyz/attribution-1-8-1.js install: >- official: true note: >- CDN distribution with no registry metadata endpoint. The version is pinned in the URL itself (attribution-1-8-1.js) and Spindl publishes a Subresource Integrity hash for it, so a consumer can tell exactly what they are getting. `published` is the file's Last-Modified header (Thu, 09 Jan 2025 23:29:03 GMT), which matches the npm 1.8.1 release. attribution-lite-1-8-1.js is served from the same host; a probe for a hypothetical 1.9.0 returns 403, i.e. no newer build is published. - language: swift registry: swift-package-manager name: SpindlSDK version: 1.0.1 published: '2023-12-21' url: https://github.com/spindl-xyz/spindl-ios install: "Add Swift Package: https://github.com/spindl-xyz/spindl-ios (min v1.0.1)" repository: https://github.com/spindl-xyz/spindl-ios description: Spindl iOS (Swift) SDK, distributed via Swift Package Manager. official: true note: >- Version read from the GitHub releases API (latest release 1.0.1, published 2023-12-21T19:13:02Z). Repository last pushed 2024-01-04. Swift Package Manager has no central registry to query. - language: kotlin registry: maven name: "xyz.spindl:sdk" group: xyz.spindl artifact: sdk version: 1.0.4 published: '2023-12-19' release_count: 5 packaging: aar url: https://central.sonatype.com/artifact/xyz.spindl/sdk install: "implementation 'xyz.spindl:sdk:1.0.4'" description: Spindl Android SDK, published to Maven Central under the xyz.spindl group. official: true note: >- Version and date read from search.maven.org (latestVersion 1.0.4, timestamp 1703017513000 = 2023-12-19). Spindl's Android docs tell integrators to pick "the highest version available" rather than naming a version. repositories: - url: https://github.com/spindl-xyz/spindl-ios language: Swift last_push: '2024-01-04' - url: https://github.com/spindl-xyz/sdk-examples language: Kotlin last_push: '2024-08-01' - url: https://github.com/spindl-xyz/gtm-tag-template language: Smarty last_push: '2024-08-19' description: Google Tag Manager tag template for Spindl. staleness: newest_release: '2025-01-09' checked: '2026-08-13' finding: >- No first-party Spindl package has shipped a release in the 19 months to 2026-08-13, and the public GitHub org (3 public repos) has had no push since 2024-08-19. Read alongside the HTTP 503 on the documented Server-to-Server base api.spindl.xyz, this is a consistent abandonment signal for the standalone Spindl developer surface; the Ads/embed surface on e.spindlembed.com remains live.