Teamwork.com Projects API v3
REST API for the Teamwork.com Projects product providing programmatic access to projects, tasks, milestones, time entries, people, companies, tags, and reporting. Authentication supports OAuth 2.0 Bearer Tokens and HTTP Basic Auth using an API key. Base URL is region- and site-specific (https://{site}.teamwork.com/projects/api/v3 for US hosting, https://{site}.eu.teamwork.com/projects/api/v3 for EU).
Documentation
Documentation
https://apidocs.teamwork.com/docs/teamwork/v3
Authentication
https://apidocs.teamwork.com/guides/teamwork/authentication