High-Volume API Pricing
UNITED STATES
High Volume.
No Drama.
Only API.
Try for Free Free Trial
No lock-in financial contract. Free cancellation anytime.
Activation fee due upon upgrading.
Standard Plans: View Pricing
| Monthly Plans & Prices* | 250,000 SMS | 500,000 SMS | CUSTOM | |
| $4,500 | $7,500 | |||
| Messages per month | 250,000 | 500,000 | Unlimited | |
| Cost per SMS Overage | $0.018 | $0.015 | ||
| One-Time Activation Fee | $249 | $299 | ||
| Quantity of Users | Unlimited | Unlimited | Unlimited | |
| Customer Support | ||||
| Contact Us | Contact Us | Contact Us | ||
| OPTIONAL — Additional Dedicated Numbers | $5.00 each/month | |||
| OPTIONAL — Call Forwarding Add-on | $0.10/minute | |||
| *Additional U.S. Carrier Mandated Fees for 10dlc | ||||
| Brand Registration Fee (one-time fee) | $4 | |||
| Carrier Required Per Campaign Vetting (one-time fee) | $15 | |||
| High-Volume Campaign Vetting (one-time fee) | $50 | |||
| Monthly Campaign Fee — per Campaign (dependent on campaign type) | $2-$10 | |||
| Carrier Surcharge per SMS | $0.0045 | |||
U.S. Carrier required registration of company/brand and sample messages
must be completed before you can send messages on your paid account.
Learn more about registration.
CompleteSMS will assist you with this process,
but we’ll need some additional information:
Standard features for all accounts
Unlimited, free customer support. Phone, Chat or email, we’re here for you.
Full access to all of our products. Use one or many. Switch products anytime using the same login credentials.
Admin and user permissions. Admins can manage the account, view reports, and monitor usage and user accounts.
Technology that keeps your communication flowing. CompleteSMS supports unicode to support all major languages.
Traffic jams are only on the road. With multiple redundant systems to ensure reliable deliveries and optimized reply paths to deliver your messages from local numbers (whenever possible).
When you want it all…we have more
API Documentation
Powerful messaging starts with clear, reliable documentation. Our developer docs are built to help you get up and running fast, with straightforward endpoints, real-world examples, and guides that actually make sense—whether you’re sending your first message or scaling to millions. From authentication and webhooks to delivery insights and error handling, everything is designed to reduce friction and keep your build moving.
Email API (SMTP) SMS API (HTTPS)
Talk to an Expert
Our SMS expert, John, will give you a full demo of our software and answer any questions you have.
Schedule a Demo
