API Documentation


All operations with our API must be executed over HTTPS. Our sandbox endpoint is


Every API request must be authenticated via an API key. Your sandbox API key will differentiate your request from a request made to our production service. If you don’t have these keys for the sandbox, contact us at apisupport@fftranscription.com.

Now let’s make our first request using the Sandbox API. All examples in the Quick Start use cURL, a simple command line tool for transferring data. You can access cURL in the following ways:

  • On PC, Mac, or Linux: Using Postman to interpret cURL commands- our recommended tool
  • On a PC: by downloading cURL
  • On a Mac or Linux: via Terminal, where cURL should be installed by default

Simple to set up, triple secure and guaranteed accuracy, our API clients enjoy the highest service level.
The most efficient speech to text process around, we have dedicated API corporate solutions support that fits your budget and timeline.
Corporate solution API clients also enjoy the highest customization transcripts, volume based rates and monthly invoices.