API keys for using the SSG Management API can be created in the Configuration > Company > User access section of the SSG Administration Portal. The management API key (key) must be included in the URL query parameters.

The SSG Management API enables you to:

Query the status of messages submitted to the SSG
Manage customers accounts
Manage suppliers SMSC/SMS gateways

Customer sign-ups

Sign-ups from customers can be posted into your SSG using the Public Signup API. These will appear in the Customers > Sign-ups section of your SSG where you can then provide service or reject the sign-up.

Limits

Each SSG should not exceed the following Management API limits:

5 API calls/second
200 API calls/minute
8000 API calls/hour

Publish service pricing

The Publish pricing API can be used to retrieve current and future pricing for a pricing plan from your SSG. This can be used to populate a coverage and pricing page on your website, or used in an external application.

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txtConsole SMS API
For the txtConsole REST API for sending/receiving SMS, go to the following documentation:
https://txtconsole.readme.io/reference/