Enterprise Messaging

A considerable amount of measure needs to be taken so that each and every one of your messages reaches its destination. It’s not just about access to carrier connections — it’s how your message is managed across those connections. PSL’s intelligent cloud software handles it all for you.



Use the same platform you know for voice, messaging, chat, two-factor authentication, and more.

Operate Efficiently

Extend the same app you write once to new markets with configurable features for localization and compliance.

Communicate Seamlessly

Experience a 99.95% uptime SLA made possible with automated failover and zero-maintenance windows.

Full Freedom

Get to market faster with pay-as-you-go pricing, free support, and the freedom to scale up or down without contracts.

Messaging Features

Reliable Delivery


Send and receive text messages over any operator’s network to any phone, anywhere in the world.

Carrier Route Optimization

A unique Feedback API lets PSL monitor global routes to ensure messages always take the best path. See deliverability.

Phone Numbers & Short Codes

Send and receive SMS with local and toll-free numbers, short codes, custom alphanumeric sender IDs, or using your own existing phone numbers. See coverage.


Fall back to standard long-code phone numbers automatically in the US when a carrier is unable to receive messages from short codes.

Real-Time Reporting

Efficient reporting system provides message status within seconds after delivery. With full report download and search options.


Create visual customer experiences with attachments and picture messages. Images are resized to meet carrier specs or sent as a link outside the U.S. and Canada.


Exchange long messages and PSL will automatically segment and reassemble them with no custom code required.

Phone Number Lookup

Identify detail about the format and connection type of phone numbers to reduce undelivered messages and protect from spam and fraud.

Operate Efficiently


Send SMS as fast as you like. PSL automatically queues and sends each message at a rate that keeps you compliant.


Use Sub-accounts to share applications securely while keeping separate phone numbers, billing plans, configuration, and logs for each customer.

All Character Sets (Unicode)

Exchange messages in every language and emoji. Only PSL encodes Unicode characters for you without requiring custom code.


Distribute messages across a group of phone numbers to reach your entire audience quickly.


Automatically select local phone numbers when sending messages globally to create a local experience for your users.

Set Max Price

Be in full control of your messaging costs by setting a maximum price for each SMS you send.

Build & Debug


Start building with all the information you need and get unstuck quickly with how-to guides, sample code, and extensive API documentation.

Access Roles

Manage user permissions with unique access roles for admins, developers, and billing.

Helper Libraries

Program in the language you already use with helper libraries available from PSL and its community.

SMPP Interface

Use PSL Programmable SMS with your existing SMPP applications. Sign up for early access.


Handle STOP and HELP messages with no additional code, and let PSL maintain opt-outs for you.


Troubleshoot issues faster with logs, alerts, and threshold-based triggers.

SMS Add-ons

Use pre-integrated partner technologies to analyse message content for keywords, sentiment, language, and more.

Usage Analytics

See detailed usage and cost data for messages sent and received by your account over time.



SMS pricing is based on the destination and type of message you’re sending. Our pay-as-you-go pricing gives you a fair price no matter what you build.


PSL is connected to mobile carriers globally so that you can send SMS directly using our system to your users wherever they are.


When your application reaches volume scale, you’ll automatically get volume pricing. No negotiation necessary.

Our Messaging platform can help you grow your business and we can tailor the right solution for you.