Add an existing account member (or API key) to a project with a specific role.
target_user_id to add a user. The user must already be a member of the account.api_key_id to grant an API key access to this project. Mutually exclusive with target_user_id.To invite a brand-new email to a project, use Create Project Invitation instead.
Updated May 8, 2026Documentation Index
Fetch the complete documentation index at: https://docs.rafftechnologies.com/llms.txt
Use this file to discover all available pages before exploring further.
API key for authentication. Each key is bound to a specific account.
Project ID (UUID)