Comparison
Overview
Company snapshot and where each provider is based.
| Field | Clickatell | seven.io |
|---|---|---|
| What it is | Cloud messaging and chat-commerce platform offering SMS, WhatsApp, RCS and Apple Messages for Business APIs for businesses. | German CPaaS platform (formerly sms77) providing SMS, RCS, WhatsApp and voice APIs with data processed on German-hosted infrastructure. |
| Founded | 2000 | 2003 |
| Ownership | private | private |
| Employees | 250-500 | 2-10 |
| HQ city | Redwood City | Kiel |
| HQ country | USA | Germany (EU) |
What's the differenceClickatell edges ahead on the overall messaging.dev Score (61 vs 42). Clickatell is private and headquartered in Redwood City, USA; seven.io is private and based in Kiel, Germany (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Clickatell | seven.io |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | Yes | No |
| Voice | No | Yes |
| No | No |
What's the differenceThey share 3 channels. Clickatell additionally offers Apple Messages for Business, while seven.io additionally offers Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Clickatell | seven.io |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | No | €0.50 free test credit |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Python, PHP, Java, Node.js, C# | PHP, JavaScript, Python, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift |
| Sandbox / test env | Yes | Yes |
| API types | REST, SMPP | REST, SMPP, SMTP |
What's the differenceOn SDKs, Clickatell adds Java, Node.js, C#; seven.io adds JavaScript, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift; on API types, seven.io adds SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Clickatell | seven.io |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| SOC 2 | Yes | No |
| HIPAA | No | No |
What's the differenceClickatell offers SOC 2, while seven.io does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Clickatell | seven.io |
|---|---|---|
| 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 dataprotection@clickatell.com; specific message content or metadata retention periods are not published. | Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available. |
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. seven.io: Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Clickatell | seven.io |
|---|---|---|
| Pricing model | Self-service prepaid pay-as-you-go credits, with quote-based enterprise plans (Connect, Interact, Transact) requiring sales contact. | Prepaid pay-as-you-go: top up account balance and pay per message sent, with no monthly fee or subscription required for API access. |
| SMS starting price | $0.008 per SMS to the USA (published rate) | €0.075 per SMS (base rate incl. Germany and most EU countries); non-EU rates vary by country |
| Free developer credit | No | €0.50 free test credit |
What's the differenceClickatell and seven.io are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Clickatell | seven.io |
|---|---|---|
| Countries covered | 190 | 0 |
| 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 0 for seven.io); Clickatell offers Direct operator connections, while seven.io does not.
Company & Trust
Independent reviews and company profile.
| Field | Clickatell | seven.io |
|---|---|---|
| G2 rating | 4.3 | 0.0 |
| G2 reviews | 2 | 0 |
| Ownership | private | private |
| Employees | 250-500 | 2-10 |
What's the differenceClickatell leads on G2 rating (4.3 vs 0 for seven.io); Clickatell leads on G2 reviews (2 vs 0 for seven.io).
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