Creates a PayRam checkout (payment) link and returns the hosted URL plus a reference_id. Authenticates with the Merchant API-Key (set PAYRAM_API_KEY). This WRITES — it creates a real payment request. The customer chooses the chain/currency on the hosted checkout. Poll status later with lookup_pay...
Part of the PayRam Helper MCP Server server.
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AI agents use create_payment_link to initiate financial transactions through PayRam Helper MCP Server. Financial operations involve real money and are irreversible once processed. PolicyLayer blocks financial tools by default, requiring explicit human approval with transaction-level limits to prevent unauthorised spending.
create_payment_link moves real money. Without a policy, an autonomous agent could initiate transactions that drain accounts or exceed budgets. PolicyLayer blocks financial tools by default, requiring human-in-the-loop approval with configurable spending limits per transaction and per time window.
Financial tools involve real money. Block by default and require explicit human approval before enabling.
{
"version": "1",
"default": "deny",
"tools": {
"create_payment_link": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}See the full PayRam Helper MCP Server policy for all 49 tools.
These attack patterns abuse exactly the kind of access create_payment_link gives an agent. Each links to the full case and the policy that stops it:
Other financial tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Creates a PayRam checkout (payment) link and returns the hosted URL plus a reference_id. Authenticates with the Merchant API-Key (set PAYRAM_API_KEY). This WRITES — it creates a real payment request. The customer chooses the chain/currency on the hosted checkout. Poll status later with lookup_payment (or GET /api/v1/payment/reference/{reference_id}).. It is categorised as a Financial tool in the PayRam Helper MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the PayRam Helper MCP Server MCP server in PolicyLayer and add a rule for create_payment_link: 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 PayRam Helper MCP Server. Nothing to install.
create_payment_link 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_payment_link 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_payment_link. 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_payment_link is provided by the PayRam Helper MCP Server MCP server (https://mcp.payram.com/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 49 PayRam Helper MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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