# Flowlu - Rest API > Public REST API documentation for Flowlu. All-in-one B2B SaaS: CRM, projects, tasks, finance, invoices, knowledge base. Below is the full documentation in Markdown, convenient for agents and LLMs: a single file plus a breakdown by functional API groups. ## Interactive pages (HTML) - [Flowlu API reference](/api/): interactive documentation, run requests right from the page ## Full documentation - [Flowlu API - full docs](/api/md/llms-full.md.txt): all 608 operations in one file ## API groups - [Custom fields](/api/md/customfields.md.txt): 17 operations - [My Team](/api/md/company.md.txt): 10 operations - [Payables & Receivables](/api/md/apar.md.txt): 15 operations - [Borrowed Loans](/api/md/loans.md.txt): 15 operations - [Fixed Assets](/api/md/asset.md.txt): 30 operations - [Messenger](/api/md/im.md.txt): 22 operations - [Tasks](/api/md/task.md.txt): 40 operations - [Calendar](/api/md/calendar.md.txt): 5 operations - [Agile Projects](/api/md/agile.md.txt): 75 operations - [CRM](/api/md/crm.md.txt): 95 operations - [Projects](/api/md/st.md.txt): 40 operations - [Finance](/api/md/fin.md.txt): 105 operations - [Time Tracker](/api/md/timetracker.md.txt): 15 operations - [Products & Services](/api/md/products.md.txt): 50 operations - [Knowledge Base](/api/md/knowledgebase.md.txt): 40 operations - [Business Processes](/api/md/businessprocess.md.txt): 15 operations - [Telephony](/api/md/telephony.md.txt): 19 operations