Mblox
Mblox is a mobile marketing and engagement solutions provider, founded in 1999 in Campbell, USA, delivering SMS campaigns and push notifications to brands. It operates within the Sinch CPaaS ecosystem, serving 200,000+ enterprise customers globally via messaging, voice, email, and verification APIs.
- Company typePrivate
- Founded1999
- HeadquartersCampbell, United States
- Headcount101–250
- GTM typeB2B
- OfferingSoftware
What Mblox does
Mblox, founded in 1999 and headquartered in Campbell, California, is a mobile marketing and engagement solutions provider that helps brands reach customers via SMS campaigns and push notifications. The company operates within the broader Sinch CPaaS ecosystem and is positioned on the Sinch Super Network, a tier-1 communication infrastructure with 600+ direct operator connects, 160M+ active phone numbers, 100B+ calls completed annually, and 700B+ texts and emails sent annually. The technology stack offers Messaging APIs (SMS, MMS, RCS, WhatsApp Business), Voice and Video APIs with SIP trunking, Email APIs, Verification APIs for fraud prevention, Numbers APIs, and a unified Conversation API, layered with the Sinch AI platform for fraud detection and conversational automation and an applications layer including Sinch Engage (marketing), Sinch Contact Pro (contact center), and Chatlayer (chatbot builder).
The business model combines usage-based API pricing (pay-as-you-go for messaging, voice, email, and verification volumes) with subscription platforms and enterprise applications, distributed via a hybrid API-first go-to-market: self-serve developer onboarding with free trials alongside enterprise field sales. Mblox serves 200,000+ customers across financial services, retail and e-commerce, telecommunications, healthcare, martech, transportation, and travel, with named logos including Adobe, Google, Uber, American Express, HSBC, PayPal, Ticketmaster, Clarins, BT, T-Mobile, Deutsche Telekom, Etsy, Lyft, TUI, Club Med, and Bolt. Revenue mechanics are anchored on per-message and per-call economics, while strategic ecosystem integrations with Adobe, SAP, HubSpot, Shopify, Emarsys, Mailjet, and Mailgun provide distribution leverage into martech and commerce workflows.
Mblox firmographics
Firmographics- Name
- Mblox
- Website
- https://mblox.com
- Company type
- Private
- Founded year
- 1999
- Headcount range
- 101–250 employees
- Short description
- Mblox is a mobile marketing and engagement solutions provider, founded in 1999 in Campbell, USA, delivering SMS campaigns and push notifications to brands. It operates within the Sinch CPaaS ecosystem, serving 200,000+ enterprise customers globally via messaging, voice, email, and verification APIs.
- Ownership category
- akta.pro rank
Mblox industry classification
Industry- Product category
- Mobile Messaging Platform
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)
- SIC
- Telephone Communications (No Radiotelephone) (4813), Radiotelephone Communications (4812)
- akta.pro primary industry
- Cloud PBX & Hosted Telephony (HDAIAHAB)
Keywords
Where Mblox is headquartered
LocationHeadquarters
- HQ city
- Campbell
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
Mblox business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- API Usage Charges: Usage-based pricing for messaging, voice, email, and verification APIs where customers pay based on volume of texts, calls, emails, and verifications sent
- Platform/Subscription: Access to Sinch's communication platform with various tiers and capabilities
- Application Services: Ready-made applications for marketing, customer engagement, and contact center operations
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | API Free Trial |
Go-to-market motion1 record
Distribution channels5 records
Marketing channels12 records
Mblox product offering
Product offeringCore offering
Mblox provides mobile marketing and engagement solutions that enable brands to reach customers via SMS campaigns and push notifications. The company operates an application-to-person (A2P) mobile messaging platform supporting SMS marketing, mobile notifications, and related engagement services for enterprise brands.
Product overview
Sinch operates a unified CPaaS (Communication Platform as a Service) architecture combining APIs and applications. The core offering consists of Messaging, Email, Voice, Verification, Numbers, and Conversation APIs that developers integrate via code. Built on the Sinch Super Network infrastructure providing global tier-1 connectivity. Applications layer includes Sinch Engage (marketing platform), Sinch Contact Pro (contact center), and Chatlayer (conversational AI). Sinch AI provides the AI platform layer across all products for fraud prevention and automation. The portfolio includes acquired brands Mailgun, Mailjet, Email on Acid, SimpleTexting, and ClickSend. The platform supports channels including SMS, RCS, MMS, WhatsApp, Email, and Voice. Recognized as a 2026 Gartner Magic Quadrant Leader for CPaaS.
Differentiator
Problem solved
Functional benefit
Products and services
- Mobile Marketing and Engagement Solutions End-to-end mobile marketing and engagement offering that helps brands reach customers via SMS campaigns and push notifications. Designed for enterprise brand marketers that need to engage consumers on mobile devices.
- SMS Campaign Delivery SMS messaging campaign service enabling brands to deliver application-to-person (A2P) text message marketing at scale across multiple mobile operators.
- Push Notification Engagement Push notification delivery service that enables brands to send targeted mobile app notifications to consumer audiences as part of mobile engagement programs.
- A2P Mobile Messaging Platform
Quantifiable outcome
- 2.5x engagement rate increase with RCS campaigns (Clarins)
- +5 more outcomes
Companies that use Mblox
Customer profileNamed customers21 records
Segments9 records
Ideal customer profiles1 record
Mblox technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration9 records
AI capability5 records
Feature6 records
Mblox partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered flagship and core.
- AdobeflagshipPlatform ecosystem partnership integrating Sinch's communication capabilities with Adobe's marketing cloud and experience platforms for enhanced customer engagement.
- EmarsyscoreIntegration partnership enabling Sinch's messaging and communication APIs within the Emarsys marketing automation platform for omnichannel customer engagement.
- SAPflagshipPlatform ecosystem partnership integrating Sinch communications capabilities with SAP's enterprise software suite including customer engagement and ERP integrations.
- HubSpotcoreIntegration with HubSpot's CRM and marketing platform enabling Sinch SMS, messaging, and voice capabilities within HubSpot customer workflows.
- ShopifycoreIntegration with Shopify's e-commerce platform enabling SMS marketing, order notifications, and customer communication capabilities for Shopify merchants.
- MailjetcoreMailjet email platform integration within Sinch's ecosystem, offering complementary email marketing capabilities alongside SMS and messaging.
- MailguncoreMailgun email API integration within Sinch's communication platform, providing transactional email capabilities alongside messaging services.
Scale indicators10 records
Recent moves6 records
Expansion highlights6 records
Mblox competitors and assessment
Company assessmentDirect peers
- Twilio: The largest pure-play CPaaS provider globally, offering messaging, voice, email, and verification APIs to developers and enterprises. Twilio is Mblox's most direct competitor across nearly every product line.
- Vonage (Ericsson): CPaaS provider offering messaging, voice, and video APIs, now owned by Ericsson. Competes directly with Mblox/Sinch in enterprise communications APIs and UCaaS-adjacent services.
- MessageBird: Amsterdam-based omnichannel CPaaS provider offering SMS, voice, WhatsApp Business, and email APIs. Direct competitor in the developer-focused and European enterprise messaging markets.
- Infobip: Global CPaaS platform with strong direct operator connectivity, offering SMS, RCS, voice, email, and conversational AI. Comparable in network-direct approach to Mblox/Sinch and competes in similar enterprise verticals.
- Plivo: Cloud communications platform offering SMS, voice, and number masking APIs to developers and enterprises. Comparable in API-first developer go-to-market motion to Mblox.
- Bandwidth Inc. Communications platform providing messaging, voice, and 911 APIs with a strong direct-carrier foundation. Overlaps with Mblox in enterprise CPaaS and contact-center use cases.
- Telnyx: API-first voice, messaging, and networking provider with private global network infrastructure. Competes with Mblox in enterprise messaging and SIP trunking.
Broad incumbents
- Sinch AB: Parent company that acquired Mblox in 2017; operates the broader Sinch Super Network and unified CPaaS platform including acquired brands Mailgun, Mailjet, and SimpleTexting. Mblox is now an operating unit within Sinch.
- 8x8: Larger UCaaS and contact-center-as-a-service provider that has expanded into CPaaS APIs. Overlaps with Mblox in voice, contact-center, and enterprise communications solutions.
Emerging players
- Telesign: Identity and verification-focused communications company providing SMS, voice, and silent verification APIs. Overlaps with Mblox's Verification API product line in the fraud-prevention and identity markets.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
Mblox social profiles
Digital presenceMblox compliance and trust
Trust signalCompliance2 records
Mblox financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mblox leadership team
Management profileNumber of profiles
Profiles2 records
Mblox funding detail
Funding detailFunding overview
Funding rounds9 records
Investors16 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mblox M&A and investment
M&A and investmentM&A4 records
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Mblox
What does Mblox do?
Mblox provides mobile marketing and engagement solutions that enable brands to reach customers via SMS campaigns and push notifications. The company operates an application-to-person (A2P) mobile messaging platform supporting SMS marketing, mobile notifications, and related engagement services for enterprise brands.
When was Mblox founded?
Mblox was founded in 1999. It employs 101 to 250 people.
Where is Mblox based?
Mblox is headquartered in Campbell, United States, in the North America region.
How does Mblox make money?
Three revenue lines are on record. API Usage Charges are the primary driver. The others are platform/Subscription and application Services.
Who are Mblox's main competitors?
Direct peers on record are Twilio, Vonage (Ericsson), MessageBird, Infobip, Plivo, Bandwidth Inc. and Telnyx. Broad incumbents are Sinch AB and 8x8. Telesign is listed as an emerging player.
Does Mblox have an API?
Yes. Messaging, Email, and Voice APIs enabling developers to build communication features. APIs include: Messaging APIs, Email APIs, Voice APIs, Verification APIs, Numbers APIs, and Conversation API supporting multiple channels (SMS, RCS, MMS, WhatsApp, Email, Voice). Developer documentation is at developers.sinch.com.
What industry is Mblox in?
Mblox's product category is Mobile Messaging Platform. Its primary akta.pro industry code is HDAIAHAB, Cloud PBX & Hosted Telephony. Its NAICS code is 518210 and its SIC code is 4813.