Generate a professionally formatted invoice PDF from structured data. Returns a base64-encoded PDF. Args: - from_name (string): Sender's name or business name - from_email (string, optional): Sender's email - from_address (string, optional): Sender's address (\n for line breaks) - from_phone (str...
Risk signalsHigh parameter count (18 properties)
Part of the Docapi server.
Free to start. No card required.
AI agents use docapi_generate_invoice to create or modify resources in Docapi. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call docapi_generate_invoice repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Docapi.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"docapi_generate_invoice": {
"limits": [
{
"counter": "docapi_generate_invoice_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Docapi policy for all 5 tools.
These attack patterns abuse exactly the kind of access docapi_generate_invoice gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Generate a professionally formatted invoice PDF from structured data. Returns a base64-encoded PDF. Args: - from_name (string): Sender's name or business name - from_email (string, optional): Sender's email - from_address (string, optional): Sender's address (\n for line breaks) - from_phone (string, optional): Sender's phone - to_name (string): Recipient's name or business name - to_email (string, optional): Recipient's email - to_address (string, optional): Recipient's address (\n for line breaks) - line_items (array): Each item has description (string), quantity (number), unit_price (number) - invoice_number (string, optional): e.g. "INV-001" - date (string, optional): Invoice date. Defaults to today. - due_date (string, optional): Payment due date - currency_symbol (string): Defaults to "$" - tax_percent (number, optional): Tax rate as a percentage (0–100) - notes (string, optional): Footer notes - logo_url (string, optional): Logo image URL for the header Returns: Base64-encoded PDF. Save it to disk with a file writing tool. Errors: - 401: Invalid API key - 402: Credits exhausted (agent accounts) — send USDC to top up - 429: Monthly limit exceeded — upgrade at https://www.docapi.co/pricing. It is categorised as a Write tool in the Docapi MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Docapi MCP server in PolicyLayer and add a rule for docapi_generate_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 Docapi. Nothing to install.
docapi_generate_invoice is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the docapi_generate_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 docapi_generate_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.
docapi_generate_invoice is provided by the Docapi MCP server (docapi/docapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 5 Docapi tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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