SMS Gateway API Documentation

Complete reference for integrating with the SMS Gateway REST API. Send SMS messages, manage campaigns, handle webhooks, and monitor delivery — all through a simple HTTP interface.

Base URLhttps://api.smsgateway.com/api/v1

Getting Started

Set up your account, obtain API keys, and send your first SMS in minutes.

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SMS API

Send single messages, bulk broadcasts, OTPs, and track delivery status in real time.

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Webhooks

Receive real-time event notifications for delivery status, inbound messages, and more.

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API Management

Manage API keys, configure rate limits, and set IP whitelist rules.

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Sandbox

Test your integration in a sandbox environment without consuming real credits.

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Reference

Browse error codes, SDK examples, and complete API reference documentation.

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