# Lists Organize contacts into lists. Every contact must belong to a list. Use lists to segment your audience for outreach campaigns. ## List all lists - [GET /leads/api/lists](https://api.grinfi.io/openapi/lists/listlists.md): Retrieve all contact lists in your account. Lists are used to organize contacts into groups for outreach campaigns. ## Create a list - [POST /leads/api/lists](https://api.grinfi.io/openapi/lists/createlist.md): Create a new contact list. ## Get a list - [GET /leads/api/lists/{uuid}](https://api.grinfi.io/openapi/lists/getlist.md): Retrieve details of a specific contact list. ## Update a list - [PUT /leads/api/lists/{uuid}](https://api.grinfi.io/openapi/lists/updatelist.md): Rename an existing contact list. ## Delete a list - [DELETE /leads/api/lists/{uuid}](https://api.grinfi.io/openapi/lists/deletelist.md): Permanently delete a contact list.