Comparison
Overview
Company snapshot and where each provider is based.
| Field | GatewayAPI | smsmode |
|---|---|---|
| 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. | French A2P mobile messaging platform (published by Calade Technologies) providing SMS, RCS, WhatsApp and text-to-speech APIs with data hosted in France. |
| Founded | 1999 | 2004 |
| Ownership | private | private |
| Employees | 11-50 | 11-50 |
| HQ city | Odense | Marseille |
| HQ country | Denmark (EU) | France (EU) |
What's the differenceGatewayAPI edges ahead on the overall messaging.dev Score (54 vs 53). GatewayAPI is private and headquartered in Odense, Denmark (EU); smsmode is private and based in Marseille, France (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | GatewayAPI | smsmode |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | No |
What's the differenceThey share 2 channels. GatewayAPI additionally offers Email, while smsmode additionally offers WhatsApp, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | GatewayAPI | smsmode |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Test credits on request | 20 free test SMS credits |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | — | TypeScript/Node.js |
| Sandbox / test env | No | No |
| API types | REST, SMPP, Email-to-SMS | REST, SMPP, SMTP, SFTP |
What's the differenceOn SDKs, smsmode adds TypeScript/Node.js; on API types, GatewayAPI adds Email-to-SMS; smsmode adds SMTP, SFTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | GatewayAPI | smsmode |
|---|---|---|
| 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 smsmode does not; smsmode offers ISO 27001, while GatewayAPI does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | GatewayAPI | smsmode |
|---|---|---|
| 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. | Data transiting the platform is stored encrypted on servers in France (two ISO 27001-certified data centers: Interxion MRS1 in Marseille and Scaleway DC4 in Paris) and is automatically deleted after 6 months; the retention period can be shortened on request, including deletion of message content immediately after sending. smsmode states data is never transferred outside the EU, and an optional HDS-certified hosting tier is available for health data. |
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. smsmode: Data transiting the platform is stored encrypted on servers in France (two ISO 27001-certified data centers: Interxion MRS1 in Marseille and Scaleway DC4 in Paris) and is automatically deleted after 6 months; the retention period can be shortened on request, including deletion of message content immediately after sending. smsmode states data is never transferred outside the EU, and an optional HDS-certified hosting tier is available for health data.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | GatewayAPI | smsmode |
|---|---|---|
| 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. | Prepaid pay-as-you-go credits with sliding-scale volume rates (SMS packs from 1,000 to 100,000), plus optional monthly subscription plans (€9-€499/month) billed on consumption. |
| SMS starting price | From €0.0061 per SMS (standard class, cheapest destination on the public price list; e.g. €0.0401 to Denmark) | France rates from €0.0610 excl. VAT per SMS on the 1,000-SMS pack down to €0.0450 on the largest prepaid pack (€0.0421 on the Premium subscription); rates vary by destination. |
| Free developer credit | Test credits on request | 20 free test SMS credits |
What's the differenceGatewayAPI and smsmode are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | GatewayAPI | smsmode |
|---|---|---|
| Countries covered | 200 | 166 |
| Direct operator connections | Yes | Yes |
| Published uptime SLA | No published SLA (99.99%+ historical uptime claimed) | 99.9% monthly platform availability (SLA); 99.95% claimed for SMPP routing |
What's the differenceGatewayAPI leads on Countries covered (200 vs 166 for smsmode).
Company & Trust
Independent reviews and company profile.
| Field | GatewayAPI | smsmode |
|---|---|---|
| G2 rating | 4.9 | 0.0 |
| G2 reviews | 7 | 0 |
| Ownership | private | private |
| Employees | 11-50 | 11-50 |
What's the differenceGatewayAPI leads on G2 rating (4.9 vs 0 for smsmode); GatewayAPI leads on G2 reviews (7 vs 0 for smsmode).
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