phone.telnyx.estimate

SERVERApibase SOURCEapibase-mcp-client

Medium RISK CLASS

Category Write

Parameters 11 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-whiteknightonhorse-apibase/phone.telnyx.estimate.md

WHAT IT DOES

What phone.telnyx.estimate does on Apibase

AI agents use phone.telnyx.estimate to create or update resources in Apibase, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Apibase environment.

Parameter	Type	Required	Description
`to`	string	Yes	Destination phone number in E.164 format (e.g. "+14155551234", "+447911123456", "+79991234567"). The classifier returns the recommended send tool and tier-based

Parameters from the server's own tool schema.

RISK

Why phone.telnyx.estimate is rated Medium

An AI agent can call phone.telnyx.estimate faster than any human can review: one bad instruction and it creates or modifies resources in Apibase by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs phone.telnyx.estimate safely

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

phone.telnyx.estimate Rate-limited

phone.telnyx.estimate stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "phone.telnyx.estimate": {
      "limits": [
        {
          "counter": "phone.telnyx.estimate_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about phone.telnyx.estimate

What does the phone.telnyx.estimate tool do? +

Classify a destination phone number into the right pricing tier (na / world / premium) and return the recommended send tool and price. Use this BEFORE telnyx.send_sms_* to avoid 400 errors. $0.001/lookup (Telnyx). It is categorised as a Write tool in the Apibase MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does phone.telnyx.estimate accept? +

phone.telnyx.estimate accepts 1 parameter: to. Required: to. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on phone.telnyx.estimate? +

Register the Apibase MCP server in PolicyLayer and add a rule for phone.telnyx.estimate: 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 Apibase. Nothing to install.

What risk level is phone.telnyx.estimate? +

phone.telnyx.estimate is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit phone.telnyx.estimate? +

Yes. Add a rate_limit block to the phone.telnyx.estimate 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 phone.telnyx.estimate completely? +

Set action: deny in the PolicyLayer policy for phone.telnyx.estimate. 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 phone.telnyx.estimate? +

phone.telnyx.estimate is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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