create_invoice
Create a new invoice in the PayPal system
This record as markdown: /tools/paypal/create-invoice.md
What create_invoice does on PayPal
AI agents use create_invoice to commit financial operations through PayPal, usually the final step of a payment, billing, or trading workflow. A call moves real money.
Why create_invoice is rated Critical
Creating an invoice in PayPal is a financial operation that initiates a payment obligation or request. The sibling tools (create_order, create_refund, create_subscription, cancel_subscription) confirm this is a financial platform. Invoices represent formal financial claims, and misuse could result in unauthorized billing or financial fraud.
From the tool's definition 'Create a new invoice in the PayPal system' — creates a financial document in PayPal that constitutes a formal payment request
Attacks that exploit this kind of access
The rule that runs create_invoice safely
PolicyLayer is an MCP gateway: it sits between your AI agents and PayPal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_invoice, this is the rule to start with:
Any call to create_invoice is blocked until a human approves it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect PayPal, apply this rule, and every create_invoice call is checked against it from then on.
Questions about create_invoice
Create a new invoice in the PayPal system. It is categorised as a Financial tool in the PayPal MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the PayPal MCP server in PolicyLayer and add a rule for create_invoice: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches PayPal. Nothing to install.
create_invoice is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the create_invoice rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for create_invoice. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
create_invoice is provided by the PayPal MCP server (@modelcontextprotocol/server-paypal). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on PayPal, and thousands of servers like it.
Across the catalogue