How do I import highlights from Liner?
Liner doesn't offer a public API so there is no way to build an automatic integration with their service. That said, there is manual method to import your Liner highlights into Readwise. Here are the steps:
1. In Liner, select the articles to export highlights from by clicking the check mark circle in the upper right corner of each article.
2. Select Export in the right-panel and choose Email as shown below:
3. Send the export to email@example.com.
The highlights will be automatically imported into your Readwise account.
Note that you can alternatively highlight and right-click on any webpage in Chrome to quickly clip specific passages to Readwise as shown below: