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SMS Messaging, Voice, Email, Video & Verification APIs | SinchUnlock meaningful conversations across the customer journey with programmable SMS, voice, email, video, & verification APIs!SMS Messaging, Voice, Email, Video & Verification APIs | Sinch What's in the cards for customer communications? Sinch Predictions 2026 is now live! Learn more Search Support All logins English English Deutsch Português Español Français English - India Products Back to main menu APIs Messaging APIs Email APIs Voice APIs Verification APIs Numbers APIs All APIs Applications Messaging Platform Email Platform Chatbot Builder Contact Center All Applications Channels SMS RCS MMS WhatsApp Email Voice All Channels Core Systems Infrastructure Sinch AI Security & Compliance Solutions Back to main menu Use Cases Marketing Campaigns Customer Updates Identity & Verification Customer Service All Use Cases Teams Marketing Security & Risk Customer Support Operations All Solutions Industries Financial Services Retail Healthcare Telecommunications Martech All Industries Integrate your software with voice, messaging, email, & more. Read more Developers Back to main menu Documentation Messaging Voice & Video Email Verification Numbers & Connectivity All Documentation Developer Forum Read more Knowledge Center Read more Telco Back to main menu Business Type Operators Communication Service Providers Channel Partner Products Messaging (A2P, P2P, SMS) RCS Voice SIP Trunking Emergency Services All Products Bring messaging & call completion services together. Read more Use your network assets to create new enterprise services. Read more Partners Back to main menu Partner Program About Partners Become a Partner Find a Partner Strategic Partners Integrations Sinch Marketplace Sinch Engage Marketplace Mailjet Marketplace Mailgun Marketplace Platform Ecosystems Adobe Emarsys SAP HubSpot Shopify Value-Add Partners Channel Partners Private Label Partners Mailjet Partners Mailgun Partners Resources Back to main menu Featured About RCS State of Customer Communications Learn Customer Stories Blog Resources Company About Us Why Sinch Infrastructure Artificial Intelligence News Investors Sinch is a 2025 Gartner® Magic Quadrant™ Leader for CPaaS. Read more Support All logins English Back to main menu English Deutsch Português Español Français English - India Log in Talk to an expertTry for free Log in Talk to an expertTry for free Communications you can count on The intelligent infrastructure powering messaging, voice, and email at global scale. From user verification to conversational AI, our APIs and applications have you covered. Talk to an expert Try for free Trusted by 190,000+ customers around the world adobe google uber clarins americanexpress hsbc ticketmaster paypal americanautomobileassociation bt tmobile virgin-media deutsche-telekom etsy lyft tui clubmed bolt adobe google uber clarins americanexpress hsbc ticketmaster paypal americanautomobileassociation bt tmobile virgin-media deutsche-telekom etsy lyft tui clubmed bolt Marketing campaigns Engage customers and increase conversions with messaging and email marketing campaigns. Learn more Notifications and alerts Inform customers and improve satisfaction with vital account, service, or event updates. Learn more Identity and security Safeguard customer data and increase trust with email, messaging, verification and voice APIs. Learn more Customer care Support customers and increase customer satisfaction with timely pre- and post-sale service on any channel. Learn more APIs Messaging, email, and voice APIs to help developers build better products Start small or scale globally—our messaging, email, and voice APIs provide the secure, reliable foundation you need to connect with every handset worldwide. Talk to an expert View APIs Applications User-friendly apps to help marketers engage their customers Send messages, create email campaigns, and build chatbots that improve customer experience and grow your business. Talk to an expert View applications Network Connectivity Products to help businesses connect to global communication networks Optimize your operations with our comprehensive infrastructure, designed to manage everything from number provisioning to complex routing services. Talk to an expert View network solutions The Sinch Super Network Discover why over 190,000 businesses trust the Sinch Super Network Meet the network that powers other networks. It’s the most direct, secure, and reliable tier-1 network for messaging, voice, and email. 600+ direct operator connects 160M+ active phone numbers 100B+ calls completed yearly 700B+ texts and emails sent yearly How skincare brand Clarins increased engagement rates by 2.5x with RCS Retail Rich SMS RCS 79% read rate 3.5x more redirections than Rich SMS campaigns Read the customer story How Your Voice scales smarter conversations with Sinch’s APIs and infrastructure “Our applications are running on Sinch’s gateways. Voice traffic, SMS traffic, soon email — they all flow in and out through Sinch.” SMS API Elastic SIP Trunking IVR Jayson Millson Co-founder and CEO, Your Voice Global Technologies Read the customer story How EasyPark Group keeps millions of users informed with SMS and RCS Verification APIs SMS API RCS 97% delivery rate Millions of messages delivered Read the customer story How Yandy earns a 20x ROI using SMS SMS API Ecommerce 35% SMS click-through rate 100K SMS subscribers in two years Read the customer story “By adding SMS, our clients are finding their response rates quicker, payments are being collected faster, and they’re not seeing as many suspended accounts.” Telecommunications SMS Email Jennifer McLean Vice President of Operations, Ivrnet Read the customer story SINCH AI See how Sinch AI powers safer, smarter conversational experiences From our connectivity layer to our applications, we leverage AI to reduce fraud and help you get more done with less work. Meet Sinch AI RCS FOR BUSINESS Enter a world of rich, engaging messaging Deliver branded, verified messages that feel like an app experience, straight in the user’s SMS inbox. Meet Sinch RCS Learn why we’re the trusted CPaaS leader Reports Sinch named as a 2025 Gartner® Magic Quadrant™ Leader for CPaaS Insights New research from Sinch reveals the state of customer communications Kasey Steinbrinck Insights Sinch Predictions: What’s in the cards for customer communications in 2026? Megan Libby Let's talk possibilities Business SMS software service Talk to an expert Follow us Follow us on LinkedIn Follow us on YouTube Follow us on X Follow us on Facebook Follow us on Instagram Trusted & certified Badge Meta Badge MEF Badge 3Core Americas - Atlanta, GA, USA +1 844-84-SINCH Mon-Friday 9AM-6PM EST EMEA - Stockholm, Sweden +46 8 446 828 03 Mon-Friday 8AM-5PM CET APAC - Singapore +65 315 83155 Mon-Friday 9AM-6PM UTC Products Business Phone Numbers Sinch Voice Sinch Engage Conversation API Verification API Mailgun Mailjet Email on Acid SimpleTexting ClickSend Chatlayer Contact Pro All Products Resources News Customer Stories Trust Center Help Center Service Status Submit a Ticket Become a Partner RCS Messaging State of Customer Communications Customer Connections Report Blog Sinch Engage AI info Sitemap Company About Us Why Sinch Infrastructure Sinch AI Careers Investors Contact Us Try for Free Americas - Atlanta, GA, USA +1 844-84-SINCH Mon-Friday 9AM-6PM EST EMEA - Stockholm, Sweden +46 8 446 828 03 Mon-Friday 8AM-5PM CET APAC - Singapore +65 315 83155 Mon-Friday 9AM-6PM UTC Copyright © 2026 Sinch All Rights Reserved. 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