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c15t is an open-source consent management and script-loading framework for modern web applications, positioned as a “Developer-First Consent Banner.” Beyond providing cookie/privacy consent banners, it brings third-party analytics, ad pixels, tag managers, customer support widgets, and similar tools into a unified consent runtime, deciding when to load them, when to block them, and how to unload them or sync vendor consent APIs after consent is revoked.
In terms of features, c15t covers ConsentBanner, ConsentDialog, ConsentWidget, headless runtime, Store API, Script Loader, Iframe Blocking, Network Blocker, Callbacks, i18n, Geo Location, Policy Packs, and IAB TCF 2.3. It is fairly developer-friendly: teams can use ready-made React/Next.js components directly, or build their own UI with the core package. Its script integration ecosystem is also fairly broad. The documentation lists tools such as Google Tag Manager, GA4/Google Ads, Meta Pixel, PostHog, Plausible, Matomo, Mixpanel, Hotjar, Segment, Intercom, and Crisp, with support for custom scripts or manifest-backed helpers.
c15t explicitly supports Next.js, React, and JavaScript. The backend package, @c15t/backend, exposes a standard Fetch API handler and can run on Node.js, Bun, Deno, and Cloudflare Workers, while integrating with frameworks such as Next.js, Express, Hono, and Fastify. For databases, it mentions Prisma, Drizzle, Kysely, TypeORM, and MongoDB. Its self-hosting capabilities are relatively complete, covering consent record storage, geolocation handling, audit logs, and policy management. However, production deployment still requires teams to handle database migrations, CORS, caching, and runtime environment setup themselves.
No specific pricing is disclosed in the source content. c15t itself is labeled as open source and can be self-hosted via npm packages and @c15t/backend. At the same time, the page repeatedly recommends using inth.com for a fully hosted experience, but does not explain plans, free quotas, payment methods, or SLA terms. Teams that require commercial support, compliance backing, or hosted-service reliability should verify these details further.
Its strengths are a strong developer experience, fast CLI-based initialization, sufficient documentation examples, and support for both component-based and headless approaches. Its script lifecycle design is also more engineering-oriented than a simple cookie banner. The downsides are that it mainly targets the JS/React/Next.js ecosystem, with limited information for other tech stacks; compliance configuration is not trivial, and legal adaptation still needs to be reviewed by the team. It is well suited to SaaS products, content sites, ecommerce sites, international products, and web teams that value self-hosted compliance records.
The source content does not provide information about access from mainland China, mirrors, payment, or ICP filing, so its accessibility status can only be considered unknown. For domestic deployment in China, teams should verify npm package downloads, the availability of the hosted service inth.com, and the connectivity of the third-party scripts themselves. Alternatives such as OneTrust, Usercentrics, Ketch, Cookiebot, and Osano may also be worth comparing.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on c15t.com official site.
c15t.com is an Unknown Dev Tools provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach c15t.com directly.