From telnyx-python
Look up phone number details (carrier, type, caller name) and verify users via SMS/voice OTP using Telnyx Python SDK. For phone verification and data enrichment.
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pip install telnyx
import os
from telnyx import Telnyx
client = Telnyx(
api_key=os.environ.get("TELNYX_API_KEY"), # This is the default and can be omitted
)
All examples below assume client is already initialized as shown above.
All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:
import telnyx
try:
result = client.messages.send(to="+13125550001", from_="+13125550002", text="Hello")
except telnyx.APIConnectionError:
print("Network error — check connectivity and retry")
except telnyx.RateLimitError:
# 429: rate limited — wait and retry with exponential backoff
import time
time.sleep(1) # Check Retry-After header for actual delay
except telnyx.APIStatusError as e:
print(f"API error {e.status_code}: {e.message}")
if e.status_code == 422:
print("Validation error — check required fields and formats")
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).
+13125550001). Include the + prefix and country code. No spaces, dashes, or parentheses.for item in page_result: to iterate through all pages automatically.Returns information about the provided phone number.
GET /number_lookup/{phone_number}
number_lookup = client.number_lookup.retrieve(
phone_number="+18665552368",
)
print(number_lookup.data)
Returns: caller_name (object), carrier (object), country_code (string), fraud (string | null), national_format (string), phone_number (string), portability (object), record_type (string)
GET /verifications/by_phone_number/{phone_number}
by_phone_numbers = client.verifications.by_phone_number.list(
"+13035551234",
)
print(by_phone_numbers.data)
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)
POST /verifications/by_phone_number/{phone_number}/actions/verify — Required: code, verify_profile_id
verify_verification_code_response = client.verifications.by_phone_number.actions.verify(
phone_number="+13035551234",
code="17686",
verify_profile_id="12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(verify_verification_code_response.data)
Returns: phone_number (string), response_code (enum: accepted, rejected)
POST /verifications/call — Required: phone_number, verify_profile_id
Optional: custom_code (string | null), extension (string | null), timeout_secs (integer)
create_verification_response = client.verifications.trigger_call(
phone_number="+13035551234",
verify_profile_id="12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(create_verification_response.data)
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)
POST /verifications/flashcall — Required: phone_number, verify_profile_id
Optional: timeout_secs (integer)
create_verification_response = client.verifications.trigger_flashcall(
phone_number="+13035551234",
verify_profile_id="12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(create_verification_response.data)
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)
POST /verifications/sms — Required: phone_number, verify_profile_id
Optional: custom_code (string | null), timeout_secs (integer)
create_verification_response = client.verifications.trigger_sms(
phone_number="+13035551234",
verify_profile_id="12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(create_verification_response.data)
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)
GET /verifications/{verification_id}
verification = client.verifications.retrieve(
"12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(verification.data)
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)
POST /verifications/{verification_id}/actions/verify
Optional: code (string), status (enum: accepted, rejected)
verify_verification_code_response = client.verifications.actions.verify(
verification_id="12ade33a-21c0-473b-b055-b3c836e1c292",
code="12345",
)
print(verify_verification_code_response.data)
Returns: phone_number (string), response_code (enum: accepted, rejected)
Gets a paginated list of Verify profiles.
GET /verify_profiles
page = client.verify_profiles.list()
page = page.data[0]
print(page.id)
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)
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)
verify_profile_data = client.verify_profiles.create(
name="Test Profile",
)
print(verify_profile_data.data)
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)
List all Verify profile message templates.
GET /verify_profiles/templates
response = client.verify_profiles.retrieve_templates()
print(response.data)
Returns: id (uuid), text (string)
Create a new Verify profile message template.
POST /verify_profiles/templates — Required: text
message_template = client.verify_profiles.create_template(
text="Your {{app_name}} verification code is: {{code}}.",
)
print(message_template.data)
Returns: id (uuid), text (string)
Update an existing Verify profile message template.
PATCH /verify_profiles/templates/{template_id} — Required: text
message_template = client.verify_profiles.update_template(
template_id="12ade33a-21c0-473b-b055-b3c836e1c292",
text="Your {{app_name}} verification code is: {{code}}.",
)
print(message_template.data)
Returns: id (uuid), text (string)
Gets a single Verify profile.
GET /verify_profiles/{verify_profile_id}
verify_profile_data = client.verify_profiles.retrieve(
"12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(verify_profile_data.data)
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)
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)
verify_profile_data = client.verify_profiles.update(
verify_profile_id="12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(verify_profile_data.data)
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)
DELETE /verify_profiles/{verify_profile_id}
verify_profile_data = client.verify_profiles.delete(
"12ade33a-21c0-473b-b055-b3c836e1c292",
)
print(verify_profile_data.data)
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)