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How to Connect Billomat to ChatGPT for AI-Powered Accounting

Connect Billomat invoicing to ChatGPT using MCP. Query clients, invoices, and offers with natural language. No coding required.

HCBy HelpCode teamUpdated 1 min read Open-source on GitHub
Install Billomat Invoicing on Cloud — free trialRead the step-by-step guide

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Billomat Invoicing

Billomat Invoicing

Manage invoices, clients, articles, and accounting with Billomat. German online invoicing and bookkeeping platform for freelancers and SMBs.

tools

6

Region

DE

Category

Finance

Authentication

API Key

Required env vars

BILLOMAT_SUBDOMAINBILLOMAT_API_KEY
Install in one click on Cloud

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  • 7-day free trial
    No credit card required
  • GDPR & SOC 2 ready
    EU data residency, audit logs
  • Open-source on GitHub
    Open source · AGPL-3.0
  • Works with ChatGPT, Claude, Gemini
    Any MCP-compatible client

Skip the install. Get this working in under 2 minutes.

Start a free trial on cloud.anythingmcp.com, add the Billomat Invoicing in one click, then point your AI client (Claude, ChatGPT, Copilot or Cursor) at the generated MCP endpoint. No Docker, no git clone, zero engineering experience required.

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Summary

Connect Billomat invoicing to ChatGPT using MCP. Query clients, invoices, and offers with natural language. No coding required.

Try asking

Example prompts for Billomat Invoicing

Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.

Billomat Invoicing · live via MCP
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Opus 4.7

Claude is AI and can make mistakes. Please double-check responses.

Connect Billomat to ChatGPT

Billomat is a German invoicing platform for freelancers and SMBs. Using AnythingMCP, you can expose Billomat data to ChatGPT through MCP — ask questions about invoices, clients, and quotes in natural language.

Quick Setup

curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d
  1. Open http://localhost:3000/connectors/store and import the Billomat adapter
  2. Enter your Billomat subdomain and API key
  3. Assign to an MCP server

Connect to ChatGPT

ChatGPT connects from OpenAI's servers, so your AnythingMCP instance needs a public HTTPS URL; localhost does not work. You can also use cloud.anythingmcp.com.

  1. Go to chatgpt.com/plugins, click Add, then Add custom MCP server.
  2. Enter a name, e.g. Name: AnythingMCP.
  3. Under Connection, enter the Server URL https://your-anythingmcp-instance.com/mcp and keep Authentication on OAuth.
  4. Select I understand and want to continue, then Create as a plugin. When ChatGPT asks, sign in to AnythingMCP and allow access.
  5. Install the new plugin from your personal plugins, then type @ in a chat and pick it.

Use Cases

  • "Show all overdue invoices" — Instant overview of payment status
  • "List clients with total revenue over 10,000€" — Customer analysis
  • "What open offers do we have?" — Pipeline visibility
  • "Get invoice #2024-0042 details" — Quick lookup with line items

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