Twilio API Pricing Sheet & SMS Calculator 2026

Twilio provides the gold-standard API platform for SMS, WhatsApp messaging, Voice SIP trunking, and user verification, backed by its global Tier-1 Super Network.

Twilio US Programmable Messaging & 10DLC Compliance Fees

Service / Item	Base Twilio Price	Carrier Surcharge	Total Estimated Segment Cost
US Outbound SMS (Local Number)	$0.0079 / segment	+$0.003 - $0.005 carrier fee	~$0.0115 / message
US Inbound SMS (Local Number)	$0.0075 / segment	$0.0000	$0.0075 / message
Toll-Free Outbound SMS	$0.0079 / segment	+$0.0030 carrier fee	~$0.0109 / message
Short Code Outbound SMS	$0.0075 / segment	+$0.0025 carrier fee	~$0.0100 / message
A2P 10DLC Brand Registration	$4.40 one-time	None	$4.40 one-time
A2P 10DLC Campaign Vetting Fee	$15.00 one-time	None	$15.00 one-time
Monthly Campaign Registration	$1.50 - $10.00 / mo	None	Varies by throughput tier

Official Developer SDK / API Integration Example Python SDK

# Twilio Python Helper Library (Programmable SMS & WhatsApp)
from twilio.rest import Client

client = Client("TWILIO_ACCOUNT_SID", "TWILIO_AUTH_TOKEN")

message = client.messages.create(
    body="Your verification PIN is 748192.",
    from_="+12025550143", # US 10DLC registered brand number
    to="+12025550199"
)
print("Message SID:", message.sid)

Frequently Asked Billing & Pricing Questions

What causes SMS segment billing to double?

Text messages with standard letters support up to 160 characters per segment. If you include an emoji or smart quote, encoding switches to UCS-2 (70-char limit), splitting a 75-character message into two billed segments.

What is Twilio Verify API?

Twilio Verify provides multi-channel OTP (One-Time Password) generation and validation over SMS, WhatsApp, and Voice with automated fraud filtering for ~$0.05 per successful conversion.

How do I reduce Twilio messaging costs?

For international users outside the US, routing notifications over WhatsApp Business API is often 40% cheaper than international SMS routes.