billing_set_default_payment_method

Set a payment method as the default.

SERVERHostinger SOURCEidugeni/hostinger-mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/hostinger-mcp/billing-set-default-payment-method.md

WHAT IT DOES

What billing_set_default_payment_method does on Hostinger

AI agents use billing_set_default_payment_method to commit financial operations through Hostinger, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why billing_set_default_payment_method is rated Critical

Changing the default payment method affects all future financial transactions and billing cycles. While it doesn't immediately move money, it redirects financial obligations to a potentially unintended payment instrument, which could result in unauthorized charges or disruption of service payments. This falls under Financial as it commits/redirects financial obligations.

From the tool's definition 'Set a payment method as the default' — directly modifies financial configuration controlling which payment method is charged for future billing obligations

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs billing_set_default_payment_method safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hostinger, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For billing_set_default_payment_method, this is the rule to start with:

billing_set_default_payment_method Approval-gated

Any call to billing_set_default_payment_method is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "billing_set_default_payment_method": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hostinger, apply this rule, and every billing_set_default_payment_method call is checked against it from then on.

FAQ

Questions about billing_set_default_payment_method

What does the billing_set_default_payment_method tool do? +

Set a payment method as the default. It is categorised as a Financial tool in the Hostinger MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on billing_set_default_payment_method? +

Register the Hostinger MCP server in PolicyLayer and add a rule for billing_set_default_payment_method: 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 Hostinger. Nothing to install.

What risk level is billing_set_default_payment_method? +

billing_set_default_payment_method is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit billing_set_default_payment_method? +

Yes. Add a rate_limit block to the billing_set_default_payment_method 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.

How do I block billing_set_default_payment_method completely? +

Set action: deny in the PolicyLayer policy for billing_set_default_payment_method. 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.

What MCP server provides billing_set_default_payment_method? +

billing_set_default_payment_method is provided by the Hostinger MCP server (idugeni/hostinger-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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