MCP CONNECTION GUIDEConnect BILL account data
Read bills, outgoing payments, invoices and card-spend data within your BILL permissions. Creating, editing, approving and paying are not available.
Setup evidence reviewed 2026-10-23. Documentation review does not establish a successful connection.
Credentials and permissions
OAuth with an active BILL account in an eligible US organization; one organization per connection.
Set up your connection
Claude and ChatGPT are validated by BILL. Other clients, including MCP Connect hosts, require BILL approval of their published client identity and exact redirect URI before connecting. Claude CLI setup is not supported. Sandbox: https://gateway.stage.bill.com/ai-mcp-server/v1. Account-data access has not been live-tested here.
Server endpoint
https://gateway.prod.bill.com/ai-mcp-server/v1Transport: Remote HTTP
Publisher documentation
Check these sources for current account requirements and client support before connecting.