Pipedrive is a simple to use visual CRM. You can track multiple sales pipelines and collaborate with a sales team to drive sales.
The API Allows you to manage all of you Pipedrive data over a RESTful HTTP connection. Additional Documentation is available here https://developers.pipedrive.com/v1
The terms and conditions of this service can be found here https://www.pipedrive.com/es/terms-of-service