/api/v1/accounts/{account_id}/planning/events/{event_id}/quotes
List / show
Create a quote
Body fields are unwrapped (not nested underquote):
Response includes
breakdown, totals (total_incl_tax, …), public_url, and status.
Update a draft quote
Send, withdraw, revise, accept
send_quote fields: delivery_mode (email forces email), subject, body, html_body, inbox_id.
Customers can also accept through the public quote page using public_url / public_token (Client/public routes, not this Application API).