TextBelt (http://textbelt.com) is a REST API that sends outgoing SMS. It is available as a public service or as an internally self-hosted server.
Textbelt uses carrier-specific gateways to deliver your text messages for free, and without ads. The service is fairly reliable and has sent over 1 million texts.
Textbelt can be run as a standalone server with: `node server/app.js`. Be sure to install dependencies first with `npm install`.
By default, the server listens on port 9090 and is configured to accept traffic from a reverse proxy or load balancer such as nginx. To enable accurate IP rate limiting, the reverse proxy should be configured to set the `X-Real-IP` header.
* IP addresses are limited to 75 texts per day. Phone numbers are limited to 3 texts every 3 minutes. If you need increased limits, please contact admin@textbelt.com.
* Some carriers may deliver text messages from "txt@textbelt.com"
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