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telnyx-api

Interact with Telnyx communication APIs for SMS, MMS, and voice.

41|3|Updated Jan 2, 2026
Search Tags:#api#communication#voice#webhooks#sms#telnyx#mms
One-click install
npx skills add https://github.com/tdimino/claude-code-minoan --skill telnyx-api
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: telnyx-api
Source: https://github.com/tdimino/claude-code-minoan/tree/main/skills/integration-automation/telnyx-api
Command: npx skills add https://github.com/tdimino/claude-code-minoan --skill telnyx-api

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires tweetnacl, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill simplifies working with Telnyx's powerful communication APIs, enabling you to build robust SMS, MMS, and voice applications efficiently.

Core Features & Use Cases

  • SMS/MMS Messaging: Send and receive messages programmatically.
  • Voice Communication: Integrate voice calls and IVR systems.
  • Webhook Security: Securely verify incoming webhook events using Ed25519 signatures.
  • Production Patterns: Leverage battle-tested code examples for error handling, rate limiting, and idempotency.
  • Use Case: Build an automated customer support system that responds to SMS inquiries, handles media attachments, and ensures secure communication through verified webhooks.

Quick Start

Use the telnyx-api skill to send a simple SMS message to '+14155552671' with the text 'Hello from Telnyx!'.

Frequently Asked Questions about telnyx-api

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I verify Telnyx webhooks using Ed25519 signatures?▼

To verify Telnyx webhooks, validate the Ed25519 signature header using the tweetnacl library to ensure the payload was sent by Telnyx and has not been tampered with.

What is the correct way to format phone numbers for Telnyx SMS APIs?▼

Telnyx SMS APIs require phone numbers to be formatted as E.164 strings, which includes a plus sign and country code, to ensure valid routing and message delivery.

How do I handle API rate limiting when sending SMS or MMS messages?▼

Handle SMS and MMS API rate limiting by implementing error handling with exponential backoff, retrying failed requests progressively to avoid overwhelming the Telnyx API endpoints.

Can I build automated IVR voice systems with Telnyx communication APIs?▼

Yes, Telnyx voice APIs support integrating programmatic voice calls and IVR systems, enabling automated customer support workflows and voice application deployment.

What are the production deployment patterns for processing Telnyx MMS media attachments?▼

Production patterns for Telnyx MMS include secure webhook verification, idempotency handling, and error backoff to reliably process media attachments and message segmentation.

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