Comparison
Overview
Company snapshot and where each provider is based.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| What it is | Danish SMS gateway and messaging platform by ONLINECITY.IO offering SMS, RCS and email APIs with pay-as-you-go pricing and EU data hosting. | European communications-platform-as-a-service (CPaaS) provider offering SMS, MMS, RCS, WhatsApp, Viber, Facebook Messenger, Telegram, voice, and email messaging through REST, SMPP, and SOAP APIs. |
| Founded | 1999 | 2001 |
| Ownership | private | public |
| Employees | 11-50 | 500-1,000 |
| HQ city | Odense | Oslo |
| HQ country | Denmark (EU) | Norway |
What's the differenceGatewayAPI edges ahead on the overall messaging.dev Score (54 vs 36). GatewayAPI is private and headquartered in Odense, Denmark (EU); LINK Mobility is public and based in Oslo, Norway.
Channels
Which messaging channels each provider can send and receive on.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | Yes |
| Facebook Messenger | No | Yes |
| Telegram | No | Yes |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | Yes |
What's the differenceThey share 3 channels. LINK Mobility additionally offers MMS, WhatsApp, Viber, Facebook Messenger, Telegram, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| Self-service onboarding | Yes | No |
| Free developer credit | Test credits on request | No |
| Docs quality | med | med |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | — |
| Sandbox / test env | No | No |
| API types | REST, SMPP, Email-to-SMS | REST, SMPP, SOAP |
What's the differenceGatewayAPI offers Self-service onboarding, while LINK Mobility does not; on API types, GatewayAPI adds Email-to-SMS; LINK Mobility adds SOAP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | Yes | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceGatewayAPI offers Choose region, while LINK Mobility does not; LINK Mobility offers ISO 27001, while GatewayAPI does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| Retention policy | Message content, sender and recipient are stored in the traffic log for 30 days, after which records are anonymized (message content and full sender deleted, last half of the recipient number removed). An optional "secret" message class skips storage of content, sender and recipient entirely. | Not publicly documented in detail. LINK Mobility processes personal data under GDPR as a data processor and states in its GDPR documentation that it operates an integrated ISO 27001 information-security management system (ISMS) with the goal of meeting the requirements of the ISAE 3000 report; message content and metadata retention periods are governed by customer contracts/data-processing agreements rather than a published fixed retention window. |
What's the differenceGatewayAPI: Message content, sender and recipient are stored in the traffic log for 30 days, after which records are anonymized (message content and full sender deleted, last half of the recipient number removed). An optional "secret" message class skips storage of content, sender and recipient entirely. LINK Mobility: Not publicly documented in detail. LINK Mobility processes personal data under GDPR as a data processor and states in its GDPR documentation that it operates an integrated ISO 27001 information-security management system (ISMS) with the goal of meeting the requirements of the ISAE 3000 report; message content and metadata retention periods are governed by customer contracts/data-processing agreements rather than a published fixed retention window.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| Pricing model | Pay-as-you-go per-message pricing with prepaid credit; no monthly subscriptions or fees (except short-code countries), with negotiated discounts for high volumes. | Volume-based, pay-as-you-go enterprise pricing negotiated through sales; per-message rates are not published on the main platform. |
| SMS starting price | From €0.0061 per SMS (standard class, cheapest destination on the public price list; e.g. €0.0401 to Denmark) | Not published |
| Free developer credit | Test credits on request | No |
What's the differenceGatewayAPI and LINK Mobility are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| Countries covered | 200 | 0 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA (99.99%+ historical uptime claimed) | No published SLA |
What's the differenceGatewayAPI leads on Countries covered (200 vs 0 for LINK Mobility).
Company & Trust
Independent reviews and company profile.
| Field | GatewayAPI | LINK Mobility |
|---|---|---|
| G2 rating | 4.9 | 0.0 |
| G2 reviews | 7 | 0 |
| Ownership | private | public |
| Employees | 11-50 | 500-1,000 |
What's the differenceGatewayAPI leads on G2 rating (4.9 vs 0 for LINK Mobility); GatewayAPI leads on G2 reviews (7 vs 0 for LINK Mobility).
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