Documentation
Everything you need to build on Well — guides, API reference, the data model, and MCP.
API ReferenceEvery endpoint — companies, invoices, transactions, and records.Data ModelThe financial graph: every object, its fields, and relationships.EnumsAllowed values for statuses, types, and classifications.MCPConnect your AI assistant to Well data over the Model Context Protocol.SkillsReady-made playbooks your assistant follows to answer from your books.