SMS Marketing with Superpowers

Boost your engagement with String’s robust business text messaging & voice solutions.
From your desktop or mobile device.

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Business texting to multiply your outreach

Automation tools, conversational and mass text messaging let you put your brand in the palm of your customers’ hands. Send text message promotions, rewards, confirmations and more with String’s intuitive SMS marketing platform.


Customer support

SMS marketing has a 98% open rate, increasing your campaign conversions, creating loyal customers and engaging new ones.

Customer Support

target marketing

80% of customers would rather communicate with businesses via text message and prefer chat or text over call based customer service.

Lead Generation

lead generation

Offers for exclusive information paired with a keyword let prospective customers opt-in to your marketing lists.


send promotions

Quickly send coupons, sales and exclusive promo codes to reward existing customers and incentivize first-time buyers.

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See How String Can Help Your Business

Foster customer loyalty and incentivize leads with SMS coupons, sales, exclusive promo codes and more.

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Your customers want to communicate via text messaging.

open rate

faster response rate

interested in signing up for texts

conversion rate

Meet your customers where they are. Text-message marketing for small businesses is a convenient communication tool for both your brand and your customer

Conversational text messaging and mass text messaging make it easy to advertise campaigns, build brand loyalty and increase customer engagement.

Free up more time and resources with automations and integrations. Turbocharge your workflow and keep your communications efficient, with String.

source | source

Intelligent SMS marketing, voice and text messaging


Import, add, tag and note to organize & segment your contacts.

Mass Texting

Send mass messages to specific audiences at the same time.

Segment Tags

Tag contacts to segment and send targeted, relevant messages.

Message Templates

Preformatted and personalizable text message templates.


Connect web apps you already use to your String account.

Keyword Responses

Create keyword campaigns to build lead lists, run promotions, etc.

WiFi Calling

Place and receive calls over WiFi in app or on the web.

Multiple Numbers

Add multiple phone numbers, each with separate inboxes.

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Integrates with apps you already use

Build automations in 1,000's of other apps to streamline your workflows and sync systems to each other.







Zoho CRM






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Power-up your number or get a new one

rocket pack with String
  • Add superpowers to your existing phone number
    Transfer your existing phone number to String to begin using text and voice superpowers.
  • Get a new string number of your choice.
    Get a new String phone number of your choice String includes a local phone number of your choice, along with millions of options for toll free, premium and vanity phone numbers for purchase.

Get Started

Current number "land" locked?

String offers SMS messaging for landline phone numbers

Did you know you can text from a landline number? Enable text messaging superpowers with String, and give your existing landline phone number texting capabilities. No changing or modifying your current voice service.

Outfit your landline with String’s SMS solutions and start texting from landline numbers, like your home or office, using our mobile app or any browser on your desktop.

Text-Enable My Landline

antique landline phone


Takeoff with String

The best sms messaging service to get your marketing off the ground and amplify your outreach.

KKeep String in your marketing tool box. Bolster productivity and increase customer responsiveness with String’s versatile text and voice solutions.

Get String Today