MetaBusiness Partner
GSMA Associate Member

CEQUENS Email API: Inbox placement you can rely on

All conversational channels

Google Logo
Teams Logo
X Logo
Apple Logo
Instagram Logo

Email delivery that reaches inboxes, not spam folders

Send transactional emails and marketing campaigns with 99%+ deliverability. Direct ISP relationships, dedicated IPs, and enterprise infrastructure - integrated in 15 minutes.

Inbox placement that works

99%+ deliverability through direct ISP partnerships, dedicated IPs, and advanced authentication (SPF, DKIM, DMARC).

Inbox placement that works

One platform, every channel

Combine email with SMS, WhatsApp, and Voice. One integration, one dashboard, one support team.

One platform, every channel

Built for scale

From thousands to millions daily. Real-time tracking, detailed analytics, webhook notifications included.

Built for scale

Integration in minutes

SDKs in 8+ languages, comprehensive documentation, and copy-paste code samples. Start sending in 15 minutes.

Integration in minutes

Complete email infrastructure that scales with you

Instant Email Delivery

Instant Email Delivery

Build and send emails your way

  • Template management with dynamic personalization

  • Scheduled sending and batch processing

  • HTML/plain text formatting

  • List management and segmentation

99%+Inbox placement rate

< 1 secAverage delivery time

99.96%Platform uptime

15 minAverage integration time

Built for every email use case

Transactional Emails

Send order confirmations, password resets, and account notifications with sub-second delivery.

    transactional Emails use case

    CEQUENS Email API: Integrate the way that works for you

    Easily integrate Email capabilities into your apps with CEQUENS Email API. Our developer-friendly documentation and RESTful API ensure a seamless integration process. Empower your applications with instant global reach, two-way messaging, and robust analytics. Elevate user engagement and communication with CEQUENS Email API today.

    Explore Developer Documentation
    1const options = {
    2  method: 'POST',
    3  headers: {accept: 'application/json', 'content-type': 'application/json'},
    4  body: JSON.stringify({senderName: 'Cequens', messageType: 'text', shortURL: false})
    5};
    6 
    7fetch('https://apis.cequens.com/sms/v1/messages', options)
    8  .then(response => response.json())
    9  .then(response => console.log(response))
    10  .catch(err => console.error(err));
    11

    One platform. All your communication needs.

    Why manage multiple vendors? Combine Email, SMS, WhatsApp, Voice, and AI chatbots through one integration.

    One Platform

    Single integration for email, SMS, WhatsApp, Voice, and chatbots. Track every interaction across all channels in one unified dashboard.

    One Team

    24/7 technical support across your entire communication stack. No vendor finger-pointing - just fast, knowledgeable assistance.

    One Bill

    Consolidated billing with volume discounts across all channels. Simpler procurement, clearer budgeting, better pricing.

    Ready to improve your email deliverability?

    1
    Signup icon

    Sign Up

    Create your account and get instant API credentials.

    2
    Integrate icon

    Integrate

    Use our SDKs and documentation to integrate in minutes.

    3
    Start sending icon

    Start Sending

    Deploy to production with enterprise support backing you.

    Discover how our solutions have transformed businesses and facilitated seamless connections

    Madar
    “ Through CEQUENS’s solutions we were able to engage with our customers across their channel of preference, providing them with a convenient and reliable suite of solutions to deal with queries, pricing, delivery, and complaints. We look forward to working on more marketing strategies with their solutions. ”
    Ayman Shamout
    Ayman Shamout
    CEO
    Madar
    Decathlon
    “ As a communication-driven team in Decathlon, our mission is to spread our message to communities. By utilizing CEQUENS's SMS API solutions, we were able to connect with existing customers and onboard new customers rapidly and efficiently, inviting them to be part of the Decathlon experience with one click. ”
    Carole Nady
    Carole Nady
    Head - Digital Marketing
    Decathlon
    Koinz
    “ We are tech-based startup in the food industry, and are always looking for partnerships that can provide us with the needed agility, dependability, and quality of service that helps us grow in an extremely competitive and demanding market. Working with CEQUENS has been super fulfilling and rewarding for us. ”
    Muhammed Sayed
    Muhammed Sayed
    Marketing Manager
    Koinz

    Industry insights, thought leadership, and more on CEQUENS's new blog

    Mobile network operator reviewing A2P messaging trends on a smartphone, illustrating the future of A2P monetization and enterprise messaging in 2026.
    Mobile network operator reviewing A2P messaging trends on a smartphone, illustrating the future of A2P monetization and enterprise messaging in 2026.

    The Future of A2P Messaging: 5 Trends Mobile Network Operators Can't Ignore in 2026

    The A2P messaging market is growing, yet operator revenues are under pressure. Discover five A2P trends reshaping monetization in 2026—from direct enterprise connectivity to compliance-driven revenue models.

    Business professional reading a message on a smartphone, illustrating customer experience and messaging trends shaping competitive advantage in 2026.
    Business professional reading a message on a smartphone, illustrating customer experience and messaging trends shaping competitive advantage in 2026.

    Customer Experience 2026: 5 Messaging Trends Driving Competitive Advantage

    Customer experience in 2026 is driven by intelligent, contextual messaging. Explore five key messaging trends—from AI-powered conversations to unified omnichannel orchestration—reshaping engagement, conversion, and competitive advantage.

    72% of enterprise buyers rely on analyst reports to shortlist vendors. Across banking, telecom, government, e-commerce, and healthcare, CEQUENS demonstrated what analysts look for: reliability under pressure, compliance readiness, and measurable business outcomes. Discover why leading analyst houses positioned CEQUENS among global CPaaS leaders based on proven performance, not promises.
    72% of enterprise buyers rely on analyst reports to shortlist vendors. Across banking, telecom, government, e-commerce, and healthcare, CEQUENS demonstrated what analysts look for: reliability under pressure, compliance readiness, and measurable business outcomes. Discover why leading analyst houses positioned CEQUENS among global CPaaS leaders based on proven performance, not promises.

    e-book: De-Risk Your CPaaS Investment: Six Analyst Validations, One Trusted Partner

    CEQUENS is recognized as a global CPaaS leader for its reliability, compliance, and business outcomes, with 72% of enterprise buyers using analyst reports to choose vendors. Discover CEQUENS's proven performance across various industries.

    Frequently asked questions

    Discover FAQs for Email API: Get answers on services, features, pricing, and more. Our FAQ section clarifies common queries. For extra help, contact our support team.