Comparison

Overview

Company snapshot and where each provider is based.

FieldClickatellTelnyx
What it isCloud messaging and chat-commerce platform offering SMS, WhatsApp, RCS and Apple Messages for Business APIs for businesses.Telnyx is a licensed telecom carrier offering a CPaaS platform with APIs for SMS, MMS, RCS, WhatsApp, voice, and email over its own private global IP network.
Founded20002009
Ownershipprivateprivate
Employees250-500201-500
HQ cityRedwood CityChicago
HQ countryUSAUSA
What's the differenceTelnyx edges ahead on the overall messaging.dev Score (78 vs 61). Clickatell is private and headquartered in Redwood City, USA; Telnyx is private and based in Chicago, USA.

Channels

Which messaging channels each provider can send and receive on.

FieldClickatellTelnyx
SMSYesYes
MMSNoYes
RCSYesYes
WhatsAppYesYes
ViberNoNo
Facebook MessengerNoNo
TelegramNoNo
Apple Messages for BusinessYesNo
VoiceNoYes
EmailNoYes
What's the differenceThey share 3 channels. Clickatell additionally offers Apple Messages for Business, while Telnyx additionally offers MMS, Voice, Email.

Developer Experience

How quickly a developer can sign up and send a first message.

FieldClickatellTelnyx
Self-service onboardingYesYes
Free developer creditNoNo
Docs qualityhighhigh
DocumentationOpen ↗Open ↗
SDKsPython, PHP, Java, Node.js, C#Node.js, Python, Ruby, Go, Java, .NET, PHP
Sandbox / test envYesNo
API typesREST, SMPPREST, SMPP
What's the differenceOn SDKs, Clickatell adds C#; Telnyx adds Ruby, Go, .NET; Clickatell offers Sandbox / test env, while Telnyx does not.

Data & Compliance

Data residency options and enterprise compliance certifications.

FieldClickatellTelnyx
EU data residencyYesYes
US data residencyNoYes
Choose regionNoYes
GDPRYesYes
ISO 27001YesYes
SOC 2YesYes
HIPAANoYes
What's the differenceTelnyx offers US data residency, while Clickatell does not; Telnyx offers Choose region, while Clickatell does not; Telnyx offers HIPAA, while Clickatell does not.

Data Retention

How long message content and metadata are stored, and whether that is configurable.

FieldClickatellTelnyx
Retention policyNot publicly documented in detail. Clickatell states it moved its data infrastructure to Amazon Web Services (AWS) in Ireland (EU) in 2018 and directs GDPR/data-protection queries to dataprotection@clickatell.com; specific message content or metadata retention periods are not published.Telnyx follows a "Privacy by Design", minimal data-retention approach with customer-controlled retention policies, so message content and metadata retention can be configured by the customer. Its security-practices documentation states security logs are retained for 90 days; specific default retention periods for message content are not publicly documented in detail.
What's the differenceClickatell: Not publicly documented in detail. Clickatell states it moved its data infrastructure to Amazon Web Services (AWS) in Ireland (EU) in 2018 and directs GDPR/data-protection queries to dataprotection@clickatell.com; specific message content or metadata retention periods are not published. Telnyx: Telnyx follows a "Privacy by Design", minimal data-retention approach with customer-controlled retention policies, so message content and metadata retention can be configured by the customer. Its security-practices documentation states security logs are retained for 90 days; specific default retention periods for message content are not publicly documented in detail.

Pricing & Credits

Pricing model and the cost of a first message.

FieldClickatellTelnyx
Pricing modelSelf-service prepaid pay-as-you-go credits, with quote-based enterprise plans (Connect, Interact, Transact) requiring sales contact.Pay-as-you-go per message billed per message part, with volume discounts and custom contracts for high-volume customers.
SMS starting price$0.008 per SMS to the USA (published rate)$0.004 per outbound SMS message part (US, plus carrier fees)
Free developer creditNoNo
What's the differenceClickatell and Telnyx are closely matched on pricing & credits — no material differences in the tracked fields.

Reach & Reliability

Global coverage and delivery dependability.

FieldClickatellTelnyx
Countries covered190130
Direct operator connectionsYesYes
Published uptime SLA99.90%–99.98% uptime (SLA, varies by plan)99.99% (SLA)
What's the differenceClickatell leads on Countries covered (190 vs 130 for Telnyx).

Company & Trust

Independent reviews and company profile.

FieldClickatellTelnyx
G2 rating4.34.7
G2 reviews2525
Ownershipprivateprivate
Employees250-500201-500
What's the differenceTelnyx leads on G2 rating (4.7 vs 4.3 for Clickatell); Telnyx leads on G2 reviews (525 vs 2 for Clickatell).

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