Built by Metorial, the integration platform for agentic AI.
Send a fax to a phone number. Requires a fax-enabled connection (Fax Application) and a media file (PDF URL or previously uploaded media name). The fax is processed asynchronously.
Perform an action on an active call. Supports actions like answer, hangup, transfer, bridge, speak (text-to-speech), play audio, send DTMF, start/stop recording, and more. Use the Dial Call tool first to initiate a call.
Verify a two-factor authentication code submitted by a user. Checks whether the code matches the one previously sent to the phone number. Returns the verification result.
Purchase one or more phone numbers. Phone numbers should first be found using the Search Available Phone Numbers tool. Provide the exact E.164 formatted numbers to order.
Send a two-factor authentication (2FA) verification code to a phone number. Supports SMS, phone call, flash call, and WhatsApp delivery methods. Requires a Verify Profile to be configured.
List, view, update, enable, disable, set to standby, or decommission SIM cards. Use this tool to manage your IoT/wireless SIM card fleet and control connectivity.
Create, get, update, delete, or list Verify profiles for two-factor authentication. Verify profiles configure verification settings like timeout, webhook URLs, and templates.
Initiate an outbound voice call via Call Control. Requires a Call Control Application (connection). Returns the call control ID which can be used for subsequent call actions (transfer, bridge, hangup, etc.).
Retrieve details of a specific message by its ID. Returns the full message data including delivery status, sender, recipient, and content.
Get, update, or delete a phone number on your account. Use this to view number details, update tags, change connection assignment, or release a number.
List phone numbers on your Telnyx account. Optionally filter by tag, status, or connection. Returns provisioned numbers with their configuration details.
Look up information about a phone number including carrier details, line type, portability, and caller ID (CNAM). Useful for verifying numbers before sending messages or making calls.
Search for phone numbers available for purchase. Filter by country, type (local, toll-free), city, state, features, and number patterns. Use this to find numbers before ordering them.
Create, get, update, delete, or list messaging profiles. Messaging profiles configure how messages are sent and where webhooks are delivered. Every messaging-enabled number must be assigned to a messaging profile.
Send an SMS or MMS message to a phone number. Supports text messages, media attachments (MMS), and alphanumeric sender IDs. Can optionally target a specific messaging profile.
Retrieve the current account balance and currency for your Telnyx account.