Device Type: desktop
Skip to Main Content Skip to Main Content

SMS API features

Our SMS API extends your reach with powerful features and helpful resources.
Try it free

The most-loved SMS API features on our powerful platform

pin point marker

Adaptive routing™

Proactively re-route messages to ensure optimum delivery—like GPS for your SMS.
Pictogram of four stars and an check mark indicating successful verification.

Global compliance engine

Minimize unpredictable delivery by removing the complexity of global carriers and regulations. Learn more
Exclamation point caution pictogram

Fraud Defender

Protect your revenue and reputation with real-time alerting and automatic blocking of suspicious traffic. Learn more

Maximize your reach with reliable deliverability

2 chat bubbles

Two-way messaging

Virtual numbers allow your customers to reply to messages for an interactive, chat-like experience.
Chat bubble

Dedicated Short Codes

Distinguish yourself with a recognizable Sender ID and increase your speed to market. Learn more
Chat bubble

10 DLC

Improve the delivery of your messages with a local presence, increased throughput and SPAM protection for your end users. Learn more
Mobile phone with dialer screen

Number fallback

Ensures high deliverability, even if your user’s carrier doesn’t accept short code SMSs.
Number sign

Local number ID

Local numbers in 76 countries make it easy to receive and reply to messages for free.
Chat bubble

Persistent sender ID

Streamline the messaging experience by using one phone number per person.
3 shapes increasing in size signifying productivity

Number pools

Secure a pool of local sender IDs so no one else can use them to message your clients.
Mobile phone with dialer screen

Programmable phone numbers

Unmatched coverage for instantly provisioning phone numbers in any location.
Interlocking chat bubbles

Smart splitting

Keep long messages readable and actionable—without having to split URLs and emails.
Chat bubbles with letter A and A character

Advanced encoding

Automatic Unicode translation gives your customers the best—and most emoji-filled— experience possible.

Outbound network

Connect with virtually anyone in the world via a single API, completely hassle free.

Stay compliant around the world

Right Arrow


Automatically queue high-volume messaging campaigns in accordance with each carrier’s regulations.
Pictogram of a chain link suggesting integration


Automatically splits and seamlessly reassembles longer text messages according to carrier specifications.
Check mark in shield

Opt-Out Assist

Eliminate the burden of managing requirements, user opt-outs and lists with built in compliance.

Easily manage your services

Pictogram of a hand with a heart in it.


We’ll help you troubleshoot problems quickly and thoroughly.
3 shapes increasing in size signifying productivity


Additional secondary accounts help you organize multiple applications or services.
Padlock signifying security

User Permissions

Scale and assign permissions by user to avoid confusion and mix-ups at any level.
Image of graphs

Dashboard analytics

Get detailed insights on your campaigns, down to the recipient’s cellular network and country of origin.
Deskphone with Vonage logo

Speak with an expert.

US toll-free number: 1-844-365-9460
Outside the US: Local Numbers