Comparison
Overview
Company snapshot and where each provider is based.
| Field | SlickText | Telesign |
|---|---|---|
| What it is | 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. | Digital identity and programmable communications platform offering SMS, RCS, voice, WhatsApp, Viber and email APIs alongside phone verification and fraud-prevention services. |
| Founded | 2012 | 2005 |
| Ownership | private | private |
| Employees | 11-50 | 500-1,000 |
| HQ city | Jamestown | Marina del Rey |
| HQ country | USA | USA |
What's the differenceTelesign edges ahead on the overall messaging.dev Score (70 vs 38). SlickText is private and headquartered in Jamestown, USA; Telesign is private and based in Marina del Rey, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | SlickText | Telesign |
|---|---|---|
| SMS | Yes | Yes |
| MMS | Yes | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | Yes |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| No | Yes |
What's the differenceThey share 2 channels. SlickText additionally offers MMS, while Telesign additionally offers WhatsApp, Viber, Voice, Email.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SlickText | Telesign |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | Yes |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | C#, Java, Node.js, PHP, Python, Ruby |
| Sandbox / test env | No | No |
| API types | REST | REST |
What's the differenceOn SDKs, Telesign adds C#, Java, Node.js, PHP, Python, Ruby.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SlickText | Telesign |
|---|---|---|
| EU data residency | No | Yes |
| US data residency | Yes | Yes |
| Choose region | No | No |
| GDPR | No | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | Yes | Yes |
| HIPAA | Yes | Yes |
What's the differenceTelesign offers EU data residency, while SlickText does not; Telesign offers GDPR, while SlickText does not; Telesign offers ISO 27001, while SlickText does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SlickText | Telesign |
|---|---|---|
| Retention policy | 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. | Customer transaction data is retained for 90 days for operational troubleshooting and billing purposes, with full backups maintained across two separate data centers also kept for 90 days. |
What's the differenceSlickText: 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. Telesign: Customer transaction data is retained for 90 days for operational troubleshooting and billing purposes, with full backups maintained across two separate data centers also kept for 90 days.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | SlickText | Telesign |
|---|---|---|
| Pricing model | 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. | Pay-as-you-go per-message/per-transaction pricing with volume-based enterprise contracts; public per-message rates are not transparently listed. |
| SMS starting price | From $29/month for 500 credits (~$0.058 per SMS credit), US/Canada | Not published |
| Free developer credit | No | Yes |
What's the differenceSlickText and Telesign are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SlickText | Telesign |
|---|---|---|
| Countries covered | 2 | 230 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceTelesign leads on Countries covered (230 vs 2 for SlickText); Telesign offers Direct operator connections, while SlickText does not.
Company & Trust
Independent reviews and company profile.
| Field | SlickText | Telesign |
|---|---|---|
| G2 rating | 4.8 | 4.3 |
| G2 reviews | 1,814 | 20 |
| Ownership | private | private |
| Employees | 11-50 | 500-1,000 |
What's the differenceSlickText leads on G2 rating (4.8 vs 4.3 for Telesign); SlickText leads on G2 reviews (1,814 vs 20 for Telesign).
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