Silyring is a mobile application designed to let users trigger phone calls, push notifications, or markdown document deliveries to their iOS device via a simple HTTPS webhook. The service is intended for scenarios where immediate notification is critical, such as alerting on production failures, system outages, or other urgent events. By posting a message to a unique webhook URL provided by the app, users can make their phone ring and have the message spoken aloud using text-to-speech, receive a standard push notification, or send a formatted markdown document for later reading.
The platform offers three modes of delivery: 'Call', which rings the phone and speaks the message aloud using iOS CallKit; 'Push', which sends a silent or audible banner notification; and 'Markdown', which allows users to send a full markdown file up to 3 MB that can be previewed and read in the app. These modes are accessed by making HTTP POST requests to different endpoints, and the service is compatible with any tool or script capable of making such requests, including CI pipelines, cron jobs, automation platforms, and custom scripts. No SDK installation or authentication flow is required, and the webhook can be integrated wherever a curl command fits.
Silyring specifically supports iOS devices, with an Android version planned for the future. The app is available for download on the App Store. Privacy considerations are addressed by deleting delivered messages promptly and retaining markdown documents on the server for only 24 hours. The service enforces a rate limit of 30 calls and 120 pushes per hour by default, with daily limits doubled. During its beta phase, Silyring is free to use, with paid plans to be introduced later and details about reasonable usage limits available on a dedicated fair-use page.
The tool is suitable for developers, IT professionals, and anyone needing urgent or structured mobile notifications triggered by automated systems or scripts. It positions itself as a webhook-based infrastructure utility for immediate and flexible mobile alerting.
In the Infrastructure & Backend space, silyring takes a focused approach. It enables automated phone calls, push notifications, and spoken alerts via webhooks for critical events. It is built as a B2B product for developers and IT teams needing urgent notifications. A free plan is available. silyring is available on the web and iOS.
Behind silyring is Kumar Ravi, based in the United States, and the product first shipped in 2026. Development happens publicly on GitHub with 1 commits in the last 90 days. Key capabilities include webhook notifications, phone call alerts, and push notifications. It exposes integrations via a public API.
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