SMS API

Simplify messaging with Sinch SMS API

Grab the world’s attention with powerful bulk SMS messages fuelled by a carrier-grade platform and a super network of 600+ direct carrier connections.

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

Connecting with customers at every step of their journey

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  • Local & global knowledge

  • Pricing options

  • Specific expertise

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Text anyone, anytime, anywhere

Unbeatable engagement

Get instant attention and the highest reach, open and read rates on a channel customers already use

Best-in-class SMS delivery

With our enterprise-grade platform, we make sure you SMS messages always get through

Limitless global scalability

Sending SMS globally? We’ve got deep local and international knowledge and premium customer support

Integrate SMS with a few lines of code

Reach your audience anywhere in the world with our intuitive messaging APIs and SDKs.

With over 600 direct carrier connections, 100% SMS reach and 100% platform uptime, the world’s biggest brands trust Sinch

                            

                                $client = new Clx\Xms\Client("{spid}", "{token}");
                    $batchParams = new \Clx\Xms\Api\MtBatchTextSmsCreate();
                    $batchParams->setSender("12345");
                    $batchParams->setRecipients(["46123123123"]);
                    $batchParams->setBody("Hello, World!");
                    try {
                        $result = $client->createTextBatch($batchParams);
                        echo("Successfully sent batch " . $result->getBatchId());
                    } catch (\Clx\Xms\ApiException $ex) {
                        echo("Failed to communicate with XMS: " . $ex->getMessage() . "\n");
                    }
                            
                        
                            

                                const targetPosition =
                    element.getBoundingClientRect().top + window.pageYOffset + offset
                    const startPosition = window.pageYOffset
                    const distance = targetPosition - startPosition
                    // Initialize a start time for the animation
                    let startTime = null
                    
                            
                        

We’re #1 in mobile engagement, and it’s no coincidence

  • Run at breakneck speed

    Enjoy a fast, robust, and secure SMS API that scales with your needs.

  • Compliance? We’re on it!

    Engage customers wherever they are, secure in the knowledge that regulatory compliance is taken care of and customer data is safe at all times.

  • Safety first

    Together with carriers, regulators, and industry bodies, we work actively to create a clean ecosystem and a fraud-free SMS future.

  • One-way and two-way SMS

    One-way SMS is great for notifications! But if boosting customer engagement with two-way conversations is what you’re after, you’ve come to the right place.

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