telnyx-verify-curl

Apps & Automation

Look up phone number information (carrier, type, caller name) and verify users via SMS/voice OTP. Use for phone verification and data enrichment. This skill provides REST API (curl) examples.

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Prompt to paste

I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/team-telnyx/ai/blob/HEAD/providers/claude/plugins/telnyx-verify/skills/telnyx-verify-curl/SKILL.md

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Telnyx Verify - curl

Installation

# curl is pre-installed on macOS, Linux, and Windows 10+

Setup

export TELNYX_API_KEY="YOUR_API_KEY_HERE"

All examples below use $TELNYX_API_KEY for authentication.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:

# Check HTTP status code in response
response=$(curl -s -w "\n%{http_code}" \
  -X POST "https://api.telnyx.com/v2/messages" \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"to": "+13125550001", "from": "+13125550002", "text": "Hello"}')

http_code=$(echo "$response" | tail -1)
body=$(echo "$response" | sed '$d')

case $http_code in
  2*) echo "Success: $body" ;;
  422) echo "Validation error — check required fields and formats" ;;
  429) echo "Rate limited — retry after delay"; sleep 1 ;;
  401) echo "Authentication failed — check TELNYX_API_KEY" ;;
  *)   echo "Error $http_code: $body" ;;
esac

Common error codes: 401 invalid API key, 403 insufficient permissions, 404 resource not found, 422 validation error (check field formats), 429 rate limited (retry with exponential backoff).

Important Notes

Phone numbers must be in E.164 format (e.g., +13125550001). Include the + prefix and country code. No spaces, dashes, or parentheses.
Pagination: List endpoints return paginated results. Use page[number] and page[size] query parameters to navigate pages. Check meta.total_pages in the response.

Lookup phone number data

Returns information about the provided phone number.

GET /number_lookup/{phone_number}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/number_lookup/+18665552368"

Returns: caller_name (object), carrier (object), country_code (string), fraud (string | null), national_format (string), phone_number (string), portability (object), record_type (string)

List verifications by phone number

GET /verifications/by_phone_number/{phone_number}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/verifications/by_phone_number/+13035551234"

Returns: created_at (string), custom_code (string | null), id (uuid), phone_number (string), record_type (enum: verification), status (enum: pending, accepted, invalid, expired, error), timeout_secs (integer), type (enum: sms, call, flashcall), updated_at (string), verify_profile_id (uuid)

Verify verification code by phone number

POST /verifications/by_phone_number/{phone_number}/actions/verify — Required: code, verify_profile_id

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "code": "17686",
  "verify_profile_id": "12ade33a-21c0-473b-b055-b3c836e1c292"
}' \
  "https://api.telnyx.com/v2/verifications/by_phone_number/+13035551234/actions/verify"

Returns: phone_number (string), response_code (enum: accepted, rejected)

Trigger Call verification

POST /verifications/call — Required: phone_number, verify_profile_id

Optional: custom_code (string | null), extension (string | null), timeout_secs (integer)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "phone_number": "+13035551234",
  "verify_profile_id": "12ade33a-21c0-473b-b055-b3c836e1c292"
}' \
  "https://api.telnyx.com/v2/verifications/call"

Trigger Flash call verification

POST /verifications/flashcall — Required: phone_number, verify_profile_id

Optional: timeout_secs (integer)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "phone_number": "+13035551234",
  "verify_profile_id": "12ade33a-21c0-473b-b055-b3c836e1c292"
}' \
  "https://api.telnyx.com/v2/verifications/flashcall"

Trigger SMS verification

POST /verifications/sms — Required: phone_number, verify_profile_id

Optional: custom_code (string | null), timeout_secs (integer)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "phone_number": "+13035551234",
  "verify_profile_id": "12ade33a-21c0-473b-b055-b3c836e1c292"
}' \
  "https://api.telnyx.com/v2/verifications/sms"

Retrieve verification

GET /verifications/{verification_id}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/verifications/12ade33a-21c0-473b-b055-b3c836e1c292"

Verify verification code by ID

POST /verifications/{verification_id}/actions/verify

Optional: code (string), status (enum: accepted, rejected)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
      "code": "12345"
  }' \
  "https://api.telnyx.com/v2/verifications/12ade33a-21c0-473b-b055-b3c836e1c292/actions/verify"

Returns: phone_number (string), response_code (enum: accepted, rejected)

List all Verify profiles

Gets a paginated list of Verify profiles.

GET /verify_profiles

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/verify_profiles"

Returns: call (object), created_at (string), flashcall (object), id (uuid), language (string), name (string), rcs (object), record_type (enum: verification_profile), sms (object), updated_at (string), webhook_failover_url (string), webhook_url (string)

Create a Verify profile

Creates a new Verify profile to associate verifications with.

POST /verify_profiles — Required: name

Optional: call (object), flashcall (object), language (string), rcs (object), sms (object), webhook_failover_url (string), webhook_url (string)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "name": "Test Profile"
}' \
  "https://api.telnyx.com/v2/verify_profiles"

Retrieve Verify profile message templates

List all Verify profile message templates.

GET /verify_profiles/templates

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/verify_profiles/templates"

Returns: id (uuid), text (string)

Create message template

Create a new Verify profile message template.

POST /verify_profiles/templates — Required: text

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "text": "Your {{app_name}} verification code is: {{code}}."
}' \
  "https://api.telnyx.com/v2/verify_profiles/templates"

Returns: id (uuid), text (string)

Update message template

Update an existing Verify profile message template.

PATCH /verify_profiles/templates/{template_id} — Required: text

curl \
  -X PATCH \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "text": "Your {{app_name}} verification code is: {{code}}."
}' \
  "https://api.telnyx.com/v2/verify_profiles/templates/12ade33a-21c0-473b-b055-b3c836e1c292"

Returns: id (uuid), text (string)

Retrieve Verify profile

Gets a single Verify profile.

GET /verify_profiles/{verify_profile_id}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/verify_profiles/12ade33a-21c0-473b-b055-b3c836e1c292"

Update Verify profile

PATCH /verify_profiles/{verify_profile_id}

Optional: call (object), flashcall (object), language (string), name (string), rcs (object), sms (object), webhook_failover_url (string), webhook_url (string)

curl \
  -X PATCH \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  "https://api.telnyx.com/v2/verify_profiles/12ade33a-21c0-473b-b055-b3c836e1c292"

Delete Verify profile

DELETE /verify_profiles/{verify_profile_id}

curl \
  -X DELETE \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  "https://api.telnyx.com/v2/verify_profiles/12ade33a-21c0-473b-b055-b3c836e1c292"