Build it
What do you want Intervals and Checkvist to do together?
Describe it and your agent reads both APIs, builds the automation, tests every branch and ships it. The list below is what exists today, not the limit.
Ask the assistant
You'll sign in before anything runs. What you typed comes with you.
Or work from Claude Code
Install the APIANT plugin for Claude Code and build, edit, test and read run history from your terminal. Every plan gets this, including free, and it spends no assistant credits.
Connect Claude CodeEverything your agent can do with Intervals and Checkvist
Triggers and actions 8 triggers ยท 53 actions
Trigger
New clientPolling trigger: fires when a new client is created in Intervals (GET /client).
Trigger
New invoicePolling trigger: fires when a new invoice is created in Intervals (GET /invoice).
Trigger
New milestonePolling trigger: fires when a new milestone is created in Intervals (GET /milestone).
Trigger
New personPolling trigger: fires when a new person is added in Intervals (GET /person).
Trigger
New projectPolling trigger: fires when a new project is created in Intervals (GET /project).
Trigger
New taskPolling trigger: fires when a new task is created in Intervals (GET /task).
Action
Add clientCreate a new client.
Action
Add expenseCreate a new expense.
Action
Add invoiceCreate a new invoice.
Action
Add milestoneCreate a new milestone.
Action
Add personCreate a new person (team member).
Action
Add projectCreate a new project.
Action
Add taskCreate a new task.
Action
Add time entryLog a new time entry against a task.
Action
Add timerStart a new timer for a task.
Action
Delete clientDelete a client.
Action
Delete expenseDelete an expense.
Action
Delete invoiceDelete an invoice.
Action
Delete milestoneDelete a milestone.
Action
Delete personDelete a person.
Action
Delete projectDelete a project.
Action
Delete taskDelete a task.
Action
Delete time entryDelete a logged time entry.
Action
Delete timerDelete a timer.
Action
Get clientRetrieve a single client by id.
Action
Get expenseRetrieve a single expense by id.
Action
Get invoiceRetrieve a single invoice by id.
Action
Get milestoneRetrieve a single milestone by id.
Action
Get personRetrieve a single person by id.
Action
Get projectRetrieve a single project by id.
Action
Get taskRetrieve a single task by id.
Action
Get time entryRetrieve a single logged time entry by id.
Action
Get timerRetrieve a single timer by id.
Action
List milestonesRetrieve all milestones in the Intervals account.
Action
List tasksRetrieve all tasks in the Intervals account.
Action
Update clientUpdate an existing client's details.
Action
Update expenseUpdate an existing expense.
Action
Update invoiceUpdate an existing invoice.
Action
Update milestoneUpdate an existing milestone.
Action
Update personUpdate an existing person's details.
Action
Update projectUpdate an existing project's details.
Action
Update taskUpdate an existing task's details.
Action
Update time entryUpdate an existing logged time entry.
Action
Update timerUpdate a timer (e.g. stop or adjust it).
Trigger
New ListTriggered when a new checklist is created in Checkvist.
Trigger
New List ItemTriggered when a new item is added to the chosen Checkvist checklist.
Action
Close TaskMarks a task in a Checkvist checklist as closed (done) and returns the updated task.
Action
Create List ItemAdds a new item (task) to a Checkvist checklist and returns the created item.
Action
Create New ListCreates a new Checkvist checklist and returns it.
Action
Create Several List ItemsAdds several items to a Checkvist checklist at once from a block of text (one item per line) and returns the created items.
Action
Create Task NoteAdds a note (comment) to a task in a Checkvist checklist and returns the new note.
Action
Delete ChecklistDeletes a Checkvist checklist and returns the deleted list.
Action
Delete List ItemDeletes an item (task) from a Checkvist checklist and returns the deleted item.
Action
Get ChecklistReturns a single Checkvist checklist by its ID, with its name, sharing settings and item counts.
Action
Get List ItemReturns a single item (task) from a Checkvist checklist, optionally with its notes.
Action
List ChecklistsReturns the Checkvist checklists the connected account can see.
Action
List List ItemsReturns the items (tasks) in a Checkvist checklist.
Action
List Task NotesReturns the notes (comments) on a task in a Checkvist checklist.
Action
Reopen TaskReopens a closed task in a Checkvist checklist and returns the updated task.
Action
Update ChecklistUpdates a Checkvist checklist's name or sharing setting and returns the updated list.
Action
Update List ItemUpdates an item (task) in a Checkvist checklist and returns the updated item.
No trigger or action matches that. Ask your agent to add it: it reads the API documentation and builds what you describe.
Each app on its own
Reviews