Comparison
Overview
Company snapshot and where each provider is based.
| Field | Clickatell | SlickText |
|---|---|---|
| What it is | Cloud messaging and chat-commerce platform offering SMS, WhatsApp, RCS and Apple Messages for Business APIs for businesses. | SlickText is a US and Canada SMS, MMS, and RCS marketing platform for mass texting campaigns, automation, and two-way conversations, offering a REST API and webhooks. |
| Founded | 2000 | 2012 |
| Ownership | private | private |
| Employees | 250-500 | 11-50 |
| HQ city | Redwood City | Jamestown |
| HQ country | USA | USA |
What's the differenceClickatell edges ahead on the overall messaging.dev Score (61 vs 38). Clickatell is private and headquartered in Redwood City, USA; SlickText is private and based in Jamestown, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | Clickatell | SlickText |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | Yes | Yes |
| Yes | No | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | Yes | No |
| Voice | No | No |
| No | No |
What's the differenceThey share 2 channels. Clickatell additionally offers WhatsApp, Apple Messages for Business, while SlickText additionally offers MMS.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Clickatell | SlickText |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | No |
| Docs quality | high | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Python, PHP, Java, Node.js, C# | — |
| Sandbox / test env | Yes | No |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, Clickatell adds Python, PHP, Java, Node.js, C#; Clickatell offers Sandbox / test env, while SlickText does not; on API types, Clickatell adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Clickatell | SlickText |
|---|---|---|
| EU data residency | Yes | No |
| US data residency | No | Yes |
| Choose region | No | No |
| GDPR | Yes | No |
| ISO 27001 | Yes | No |
| SOC 2 | Yes | Yes |
| HIPAA | No | Yes |
What's the differenceClickatell offers EU data residency, while SlickText does not; SlickText offers US data residency, while Clickatell does not; Clickatell offers GDPR, while SlickText does not; Clickatell offers ISO 27001, while SlickText does not; SlickText offers HIPAA, while Clickatell does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Clickatell | SlickText |
|---|---|---|
| Retention policy | 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 [email protected]; specific message content or metadata retention periods are not published. | Not publicly documented with specific timeframes. SlickText is US-based and processes data on US infrastructure. It offers HIPAA-compliant texting with a signed BAA and states messaging/data storage is handled in accordance with HIPAA log-retention requirements, with message lifecycle management and auto-expiration available. Subscriber and message data is retained while an account remains active, and opt-out/unsubscribe requests are honored. |
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 [email protected]; specific message content or metadata retention periods are not published. SlickText: Not publicly documented with specific timeframes. SlickText is US-based and processes data on US infrastructure. It offers HIPAA-compliant texting with a signed BAA and states messaging/data storage is handled in accordance with HIPAA log-retention requirements, with message lifecycle management and auto-expiration available. Subscriber and message data is retained while an account remains active, and opt-out/unsubscribe requests are honored.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Clickatell | SlickText |
|---|---|---|
| Pricing model | Self-service prepaid pay-as-you-go credits, with quote-based enterprise plans (Connect, Interact, Transact) requiring sales contact. | Monthly subscription plans that each include a fixed pool of message credits (one credit equals one standard SMS segment), with rollover credits and custom enterprise pricing. |
| SMS starting price | $0.008 per SMS to the USA (published rate) | From $29/month for 500 credits (~$0.058 per SMS credit), US/Canada |
| Free developer credit | No | No |
What's the differenceClickatell and SlickText are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Clickatell | SlickText |
|---|---|---|
| Countries covered | 190 | 2 |
| Direct operator connections | Yes | No |
| Published uptime SLA | 99.90%–99.98% uptime (SLA, varies by plan) | No published SLA |
What's the differenceClickatell leads on Countries covered (190 vs 2 for SlickText); Clickatell offers Direct operator connections, while SlickText does not.
Company & Trust
Independent reviews and company profile.
| Field | Clickatell | SlickText |
|---|---|---|
| G2 rating | 4.3 | 4.8 |
| G2 reviews | 2 | 1,814 |
| Ownership | private | private |
| Employees | 250-500 | 11-50 |
What's the differenceSlickText leads on G2 rating (4.8 vs 4.3 for Clickatell); SlickText leads on G2 reviews (1,814 vs 2 for Clickatell).
Still deciding? Read the quickstart guides: