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Agent skill
telnyx-cli
Use the Telnyx CLI to manage phone numbers, send messages, make calls, and access all Telnyx APIs from the terminal. 946 commands auto-generated from the OpenAPI spec — every API endpoint is a CLI command.
Install this agent skill to your Project
npx add-skill https://github.com/team-telnyx/ai/tree/main/providers/claude/plugin/skills/telnyx-cli
Metadata
Additional technical details for this skill
- author
- telnyx
- product
- cli
- requires
-
{ "env": [ "TELNYX_API_KEY" ], "bins": [ "telnyx" ] }
SKILL.md
Telnyx CLI
The Telnyx CLI provides command-line access to the entire Telnyx API. Every API endpoint maps to a CLI command — 946 commands covering messaging, voice, numbers, IoT, AI, and more.
Installation
# Homebrew (macOS/Linux)
brew install telnyx/tap/telnyx
# Go install
go install github.com/team-telnyx/telnyx-go/cmd/telnyx@latest
# Or download a binary from GitHub releases:
# https://github.com/team-telnyx/telnyx-go/releases
Authentication
export TELNYX_API_KEY="KEY..."
The CLI reads TELNYX_API_KEY from your environment. Set it once in your shell profile.
Command Discovery
The CLI is fully self-documenting. Use --help at any level to explore:
# Top-level resource list
telnyx --help
# Commands for a specific resource
telnyx messages --help
# Full usage for a specific command
telnyx messages create --help
Command Structure
Commands follow a consistent pattern:
telnyx <resource> <action> [--flag value ...]
Resources match API paths. Actions are list, create, get, update, delete, and resource-specific verbs.
Common Operations
Send an SMS
telnyx messages create \
--from +15551234567 \
--to +15559876543 \
--text "Hello from the CLI"
List phone numbers
telnyx phone-numbers list --page-size 25
Search for available numbers
telnyx available-phone-numbers list \
--country-code US \
--state CA \
--features sms
Order a phone number
telnyx number-orders create \
--phone-numbers +15551234567
Make an outbound call
telnyx calls create \
--connection-id 1234567890 \
--from +15551234567 \
--to +15559876543
List SIM cards
telnyx sim-cards list --page-size 10
Create an AI assistant
telnyx assistants create \
--name "Support Agent" \
--model telnyx_ai
Check account balance
telnyx balance get
Output Formats
# Default: human-readable table
telnyx phone-numbers list
# JSON output for scripting
telnyx phone-numbers list --format json
# Pipe to jq for filtering
telnyx phone-numbers list --format json | jq '.data[].phone_number'
When to Use CLI vs SDK
| Use case | Recommended |
|---|---|
| Quick one-off operations | CLI |
| Shell scripts and automation | CLI |
| Application code | SDK (Python, JS, Go, Java, Ruby) |
| Interactive exploration | CLI |
| CI/CD pipelines | CLI or SDK |
| Complex business logic | SDK |
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