What Sequel does

Sequel is a business-to-business communication platform that delivers application-to-person (A2P) SMS messaging through direct interconnections with mobile network operators. Operating under the legal entity Xelogic Investments Ltd. and headquartered in Nicosia, Cyprus, the company was founded in 2021 and serves a globally distributed customer base with claimed coverage of more than 200 countries and 1,000 mobile networks.

The platform is built around two core technical interfaces: an SMPP 3.4 protocol endpoint for high-throughput bulk messaging and an HTTP(s) REST API for standard developer integration. Both interfaces support multiple data coding schemes (GSM 7-bit, Latin1, UTF-16, Binary), granular delivery receipt states, IP whitelisting, and a default SMPP throughput cap of 20 SMS/sec. Add-on products include a Home Location Register (HLR) lookup API for phone number validation, a 2-Factor Authentication API, and a marketing/notification campaign service.

Sequel monetizes exclusively on a pay-as-you-go, per-message usage model with prices denominated in euros and ranging from approximately €0.008 to €0.173 per message depending on destination country and operator. Distribution is fully digital and self-serve: customers register online, confirm email, and integrate via API. The go-to-market motion is product-led and targets e-commerce, application developers, marketing teams, and enterprise organizations across both SMB and high-throughput segments. No public revenue figures, funding rounds, named customers, or awards are disclosed in the source data.

Name

Sequel

Legal name

Xelogic Investments Ltd.

Website

https://sequel-tele.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Sequel (Xelogic Investments Ltd.) is a Cyprus-based A2P SMS communication platform delivering messages via SMPP 3.4 and HTTP APIs across 1,000+ mobile networks in 200+ countries. It serves developers, e-commerce, and enterprises through self-service, usage-based per-message pricing.

Ownership category

akta.pro rank

Product category

Cloud Communications API

NAICS

Telecommunications Resellers (517121), Telecommunications (517)

SIC

Communications Services, Nec (4899), Telegraph & Other Message Communications (4822)

akta.pro primary industry

Numbering, DID, Porting & Carrier-of-Record Services (HDAIAHAK)

Keywords

• SMS messaging API
• Bulk SMS delivery
• HLR lookup service
• Two-factor authentication API
• Global SMS gateway

Headquarters

HQ city

Nicosia

HQ country

Cyprus

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Infrastructure, Technology or R&D, Personnel, Operations, Marketing or Sales

Revenue model

1. SMS Message Delivery: Revenue generated from per-message pricing for SMS delivery across global mobile networks. Pricing varies by destination country and mobile operator, with rates ranging from approximately €0.008 to €0.173 per message. The pricing page lists detailed per-operator rates for over 1,000 network destinations.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels1 record

Core offering

Sequel operates an SMS communication platform that enables businesses to send and receive short messages globally through programmatic interfaces. The platform exposes both HTTP(s) RESTful APIs for easy integration and SMPP 3.4 protocol for high-throughput bulk operations, providing direct connections to over 1,000 mobile networks across 200+ countries. Supplementary services include an HLR (Home Location Register) API for phone number validation and campaign optimization, and 2-Factor Authentication API for application security.

Product overview

Sequel is a communication platform offering SMS and messaging services as a unified platform. The core products include the SMS API and SMPP 3.4 Protocol for message delivery, supplemented by HLR (Home Location Register) API for phone number validation, 2-Factor Authentication API for security, and Marketing/Notification Campaigns for customer engagement. The platform provides both HTTP and SMPP interfaces to accommodate different technical requirements and throughput needs.

Differentiator

Problem solved

Functional benefit

Products and services

• SMS API (HTTP/HTTPS) RESTful HTTP(s) API for sending and receiving SMS messages, supporting GET/POST requests, multiple data coding schemes (GSM 7-bit, Latin1, UTF-16, Binary), delivery receipts (DLR), and unique message IDs for tracking. Targets developers and businesses integrating SMS into their applications.
• SMPP 3.4 Protocol Access Short Message Peer-to-Peer protocol implementation supporting bind_transmitter, bind_receiver, bind_transceiver, submit_sm, deliver_sm, and enquire_link operations with SSL encryption option on ports 5000/5001. Designed for high-throughput bulk SMS operations by enterprise customers.
• HLR (Home Location Register) API API enabling businesses to validate customer phone numbers, check device status, and optimize SMS campaigns by excluding wrong or switched-off phone numbers. Used by marketing teams and application developers for data quality and deliverability improvement.
• 2-Factor Authentication API API for building application 2-Factor authentication using SMS-based verification codes, supporting OTP delivery for secure user login and account verification. Targets software developers building authentication and verification systems.

Quantifiable outcome

• High conversion rates for SMS marketing campaigns
• +2 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Vonage (Ericsson): Vonage, now part of Ericsson, is a broad incumbent communications platform offering CPaaS APIs (SMS, voice, video) alongside unified communications. A larger competitor with broader portfolio, but the Vonage API platform directly competes with Sequel in programmable messaging.

Direct peers

• MessageBird: MessageBird (now Bird) is a CPaaS company headquartered in Amsterdam offering SMS, voice, and omnichannel messaging APIs globally. Targets the same developer and enterprise customer base as Sequel with similar product positioning and global reach ambitions.
• Telnyx: Telnyx is a communications platform operating its own private IP network, offering SMS and voice APIs globally. Comparable to Sequel in offering developer-focused messaging APIs with direct carrier connections, though with a larger product portfolio including SIP trunking.
• Sinch: Sinch is a major global CPaaS provider with a strong SMS messaging business across 200+ countries, including direct operator relationships. Competes head-to-head with Sequel in messaging APIs for enterprises and developers, with broader product breadth (voice, video, conversational AI).
• Bandwidth: Bandwidth is a communications platform offering messaging APIs (SMS, MMS) and voice services, with its own carrier-grade network infrastructure. Comparable to Sequel in CPaaS positioning, though more focused on the North American enterprise market.
• Clickatell: Clickatell is an SMS messaging platform with 20+ years of experience and global reach across 1,000+ networks. Targets similar use cases (marketing, notifications, 2FA) with a developer API similar to Sequel's, though with a more mature enterprise footprint.
• Infobip: Infobip is a global CPaaS provider with direct connections to 800+ mobile networks and a strong SMS messaging business across 200+ countries. Competes directly with Sequel in A2P messaging, with broader omnichannel capabilities (WhatsApp, RCS, email).
• Twilio: Twilio is the leading global CPaaS provider offering SMS, voice, and messaging APIs with global coverage. It is the most direct competitor to Sequel — same product category (programmable SMS via API), same target customers (developers and enterprises), and similar global infrastructure ambitions, though at vastly greater scale and funding.
• TextMagic: TextMagic is a smaller CPaaS-focused platform offering SMS APIs and a web-based messaging interface for businesses. Closely matches Sequel in scale (small team, bootstrapped origins) and product (SMPP/HTTP APIs, HLR-style number validation), serving SMB and developer customers.
• Plivo: Plivo is a cloud communications platform providing SMS and voice APIs with global reach. Closely comparable to Sequel in scale, product offering (SMPP + HTTP APIs), and customer focus (developers, SMBs, and enterprises needing messaging APIs).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sequel-tele

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sequel