Overview

Complete reference for all sms4sats API endpoints.

All endpoints are served from the base URL:

https://api2.sms4sats.com

You can also GET the base URL to check for service availability.

Authentication

Most endpoints require no authentication. For prepaid account operations (immediate deduction from balance), pass your API Key in the X-API-Key request header.

Payment Model

sms4sats uses hold invoices:

• Payment is held (not settled) when the invoice is paid.

• For receive orders — settled only when an activation code is delivered.

• For send orders — settled only when SMS status is sent or delivered.

• If no code arrives within 21 minutes, the invoice is automatically canceled and funds returned.

Endpoint Overview

Method	Endpoint	Description
GET	/getCountries	List available countries
GET	/getnumbersstatus	List available services for a country
GET	/getRentalCountries	List countries with rental numbers
GET	/price	Get price for a country/service
POST	/createorder	Create a receive SMS order
GET	/orderstatus	Get order status and activation code
GET	/cancelorder	Cancel a receive order
POST	/createsendorder	Create a send SMS order
POST	/fund	Fund a prepaid account
GET	/balance	Get prepaid account balance
GET	/history	Get prepaid account funding history