Integrate Line21 into your product using our REST api.

There are endless possibilities to use your favourite software to create captions and distribute to all our supported destinations.

Authentication is based on Bearer token.

Generate a token from your project page and pass it to any call through the authorisation header.

e.g.

    {
      "Authorization": "Bearer {YOUR TOKEN HERE}"
    }
    

For test purpose you can set your token in the input above and test the api from this webpage.