textbelt

Send SMS messages programmatically via a simple HTTP API.

12|4|Updated Feb 12, 2026
One-click install
npx skills add https://github.com/orthogonal-sh/skills --skill textbelt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: textbelt
Source: https://github.com/orthogonal-sh/skills/tree/main/skills/orthogonal-textbelt
Command: npx skills add https://github.com/orthogonal-sh/skills --skill textbelt

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Textbelt provides a straightforward HTTP API to send SMS messages programmatically, removing complexity from telecom integrations.

Core Features & Use Cases

  • Sending SMS to mobile numbers via HTTP POST
  • Optional sender name and reply webhook for inbound messages
  • Use cases include transactional alerts, verifications, and reminders

Quick Start

Send an SMS by issuing a POST request to the API with a phone number and message.

Frequently Asked Questions about textbelt

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I send SMS messages programmatically using an HTTP API?

You can send SMS messages programmatically by issuing an HTTP POST request to the API with a mobile phone number and your message text. This method removes complexity from telecom integrations and handles global delivery.

What is the best way to automate transactional alerts and verification codes via SMS?

Automating transactional alerts and verification codes is handled via simple HTTP API SMS requests. You can programmatically send these notifications to global mobile numbers without managing complex telecom integrations.

Can I receive inbound SMS replies through a webhook?

Yes, you can receive inbound SMS replies by configuring an optional reply webhook. This allows your application to capture and process incoming text messages in response to your outbound notifications.

Does this SMS API support global mobile numbers for sending text messages?

Yes, the SMS API supports sending text messages to global mobile numbers. It validates basic parameters and handles delivery for transactional alerts, verifications, and reminders internationally.

Do I need complex telecom integrations to send a text message via API?

No, you do not need complex telecom integrations to send a text message via API. The service provides a straightforward HTTP API that handles the underlying telecom infrastructure for you.