Billogram MCP server

Read invoices, customers, items and balances; create invoices, customers and items in Billogram. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect BillogramFree 50 tool calls / monthPro $9/mo · $90/yr · pricing16 tools

What can I ask?

Turn on the Billogram connector, then ask in plain words. The AI picks the tools.

Which invoices are still unpaid, and what is the total remaining?
Show customer 1042 with its current balance.
Create a draft invoice for customer 1042 with 3 hours of consulting at 1200 SEK each.
List the invoice events from the last 7 days.

What you can do with Billogram in Claude and ChatGPT

For small businesses and bookkeepers that issue invoices and track payments in Billogram.

Find unpaid invoices and what is still owed

List the invoices and see the remaining sum of each one. Open an invoice to read its customer, items and registered payments.

Review the history of invoice changes

List the invoice events, such as sent, paid or reminded. Use the optional filter and sort to narrow the list.

Look up a customer and the balance it owes

List customers or open one by its customer number. Read the customer's balance to see the amount it owes.

Create an invoice for an existing customer

Read the customer, the saved items and the account defaults first. Then create the invoice. The server creates it only and does not send it.

Changes data

Add a new customer or saved item

Create a customer record or a saved product or service for later invoices. Each call creates a new record, so check for an existing one first.

Changes data

How do I connect Billogram?

Before you connect

The login page asks for your API User ID, API Password and Environment.

In Billogram open Company Settings → API → API Users and create an API user for this integration (Billogram recommends one API user per integration). Your credentials are used only to call the Billogram API on your behalf; they are never shown to anyone.

Claude claude.ai · Desktop

Open Customize → Connectors, then click + Add → Add custom connector.
Enter the name Billogram and this URL, then click Add:
https://billogram.usefulapi.io/mcp
Claude opens the login page: enter your API User ID, API Password and Environment.
In a chat, click + → Connectors and turn on Billogram.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

Open Plugins, click +, then Add custom MCP server.
Enter the name Billogram and this URL, choose OAuth as the authentication, confirm the warning and create it:
https://billogram.usefulapi.io/mcp
ChatGPT opens the login page: enter your API User ID, API Password and Environment.
In Plugins, install Billogram, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http billogram https://billogram.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "billogram": {
      "url": "https://billogram.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "billogram": {
      "type": "http",
      "url": "https://billogram.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add billogram --url https://billogram.usefulapi.io/mcp

codex mcp login billogram

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://billogram.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your API User ID, API Password and Environment. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

Plan	Price	Limit
Free	$0	50 tool calls / month
Proper user	$9/mo · $90/yr	10,000 tool calls / month
Pro+per user	$39/mo · $390/yr	100,000 tool calls / month

Each paid plan covers this Billogram server only. Ask your AI to run billogram_upgrade and choose Pro or Pro+, billed monthly or yearly (it returns a Stripe Checkout link). If you already have Pro, ask to change it to Pro+. The change requires your confirmation, keeps your billing interval and charges the price difference for the rest of the period immediately. Cancel any time with billogram_cancel_subscription: your paid plan continues to the end of the paid period, with no refund for the current period, and asking to resume the same plan with billogram_upgrade before then undoes the cancel. Or write to [email protected].

Tools 16

Show all 16 tools (the AI picks them for you)

Read only · 9

List invoicesbillogram_list_invoices
List invoices (Billogram calls them billograms): invoice number, customer, dates, state, totals and remaining sum. Optional filter and sort. Use an id from the reply with billogram_get_invoice.
Get invoicebillogram_get_invoice
Fetch one invoice with its customer, items, totals, state, dates and registered payments.
List invoice eventsbillogram_list_invoice_events
List invoice events (the history of changes, such as sent, paid or reminded) as Billogram returns them. Optional filter and sort.
List customersbillogram_list_customers
List customers with number, name, organisation and VAT number, contact, addresses and payment settings. Optional filter and sort.
Get customerbillogram_get_customer
Fetch one customer by customer number: contact, addresses, e-invoice details and payment settings.
Get customer balancebillogram_get_customer_balance
Fetch the balance of one customer by customer number (the amount they owe).
List itemsbillogram_list_items
List saved items (products and services) with item number, title, price, VAT, unit and bookkeeping accounts. Optional filter and sort.
Get itembillogram_get_item
Fetch one saved item by item number.
Get settingsbillogram_get_settings
Fetch the account settings: company details, default due days, currency and invoice defaults.

Changes data · 3

Create customerbillogram_create_customer
Create a customer. Only the fields you pass are set. Creates a new customer record each time (it is not idempotent).
Create itembillogram_create_item
Create a saved item (product or service) for later invoices. Creates a new item each time (it is not idempotent).
Create invoicebillogram_create_invoice
Create an invoice (a Billogram billogram) for an existing customer. The invoice is created only: this server does not send it, and sending is a separate Billogram command that is not exposed. Creates a new invoice each time (it is not idempotent).

Your usefulapi plan · 4

Usage status (free-tier meter)billogram_usage_status
Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
Request a missing featurebillogram_request_feature
Tell usefulapi that the user needs something the Billogram tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
Upgrade to Pro or Pro+billogram_upgrade
Get a paid plan for Billogram (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
Cancel the Pro subscriptionbillogram_cancel_subscription
Cancel the caller's Billogram Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run billogram_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with Billogram in Claude or ChatGPT?

Find unpaid invoices and what is still owed. Review the history of invoice changes. Look up a customer and the balance it owes. Create an invoice for an existing customer. Add a new customer or saved item. See what you can do for the details.

Is this an official Billogram product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by Billogram. The server calls the Billogram API with your own Billogram access, so it sees only the data that your account can see.

Can I connect Billogram to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your API User ID, API Password and Environment. See Before you connect for where to find them.

Do I put my Billogram key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your API User ID, API Password and Environment. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my Billogram credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the Billogram API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in Billogram.

Can the AI change my Billogram data?

Yes, if you approve it. 3 of the 12 Billogram tools can create or change data. The other 9 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with 10,000 tool calls / month. Pro+ costs $39/mo or $390/yr, with 100,000 tool calls / month. Each subscription covers this Billogram server only. Cancel any time: your paid plan then runs to the end of the paid period. Run billogram_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run billogram_upgrade and choose Pro or Pro+, billed monthly or yearly: it returns a Stripe Checkout link. If you already have Pro, ask to change it to Pro+. After you confirm, your existing subscription changes in place, keeps its billing interval and charges the price difference for the rest of the period immediately. To cancel, run billogram_cancel_subscription. Your paid plan continues to the end of the paid period.

What if a Billogram tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with billogram_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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