Comparison
Overview
Company snapshot and where each provider is based.
| Field | SendPulse | SMSAPI |
|---|---|---|
| What it is | Multi-channel marketing and messaging platform offering email, SMS, web push, and chatbots (WhatsApp, Telegram, Viber, Facebook Messenger, Instagram) through a unified interface and REST API. | A Polish business-messaging platform (a brand of LINK Mobility Poland, part of LINK Mobility Group) offering bulk SMS, MMS, VMS voice, RCS and WhatsApp Business messaging via REST API and a web interface. |
| Founded | 2015 | 2007 |
| Ownership | private | public |
| Employees | 51-200 | 51-200 |
| HQ city | New York | Gliwice |
| HQ country | USA | Poland (EU) |
What's the differenceSendPulse edges ahead on the overall messaging.dev Score (63 vs 44). SendPulse is private and headquartered in New York, USA; SMSAPI is public and based in Gliwice, Poland (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | SendPulse | SMSAPI |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | No | Yes |
| Yes | Yes | |
| Viber | Yes | No |
| Facebook Messenger | Yes | No |
| Telegram | Yes | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | No |
What's the differenceThey share 2 channels. SendPulse additionally offers Viber, Facebook Messenger, Telegram, Email, while SMSAPI additionally offers MMS, RCS, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SendPulse | SMSAPI |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | Free test SMS on signup |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Python, Ruby, Java, Node.js, C# | PHP, Python, JavaScript, Java, C#, Go, Bash |
| Sandbox / test env | No | Yes |
| API types | REST, SMTP | REST, SMTP |
What's the differenceOn SDKs, SendPulse adds Ruby, Node.js; SMSAPI adds JavaScript, Go, Bash; SMSAPI offers Sandbox / test env, while SendPulse does not.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SendPulse | SMSAPI |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | Yes | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | No | No |
| HIPAA | No | No |
What's the differenceSendPulse offers US data residency, while SMSAPI does not; SMSAPI offers ISO 27001, while SendPulse does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SendPulse | SMSAPI |
|---|---|---|
| Retention policy | Personal data is retained for as long as needed to provide the services or to comply with legal obligations, resolve disputes, and enforce agreements. Servers are located in the United States and Germany with redundant, backed-up storage; under GDPR users can access, export, or request deletion of their data, and all account data is permanently deleted when an account is terminated. | Messages are stored in accordance with applicable law and disclosed only when required by a lawful request; phone numbers are used solely for SMS campaign purposes. No specific retention period is publicly documented. All data is held within the EEA on two redundant data centers in Poland (ATMAN and T-Mobile, over 150 km apart). |
What's the differenceSendPulse: Personal data is retained for as long as needed to provide the services or to comply with legal obligations, resolve disputes, and enforce agreements. Servers are located in the United States and Germany with redundant, backed-up storage; under GDPR users can access, export, or request deletion of their data, and all account data is permanently deleted when an account is terminated. SMSAPI: Messages are stored in accordance with applicable law and disclosed only when required by a lawful request; phone numbers are used solely for SMS campaign purposes. No specific retention period is publicly documented. All data is held within the EEA on two redundant data centers in Poland (ATMAN and T-Mobile, over 150 km apart).
Pricing & Credits
Pricing model and the cost of a first message.
| Field | SendPulse | SMSAPI |
|---|---|---|
| Pricing model | Pay-as-you-go for SMS (priced per message by destination country); free-forever plan plus paid monthly subscription tiers for email and other channels. | Pay-as-you-go prepaid credit — pay only for sent messages with no setup fee or contract; minimum top-up around €30. |
| SMS starting price | €0.01 per SMS (e.g. Colombia, Turkey) | From ~€0.04 per SMS (international, varies by destination country) |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | Free test SMS on signup |
What's the differenceSendPulse and SMSAPI are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SendPulse | SMSAPI |
|---|---|---|
| Countries covered | 200 | 0 |
| Direct operator connections | No | No |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceSendPulse leads on Countries covered (200 vs 0 for SMSAPI).
Company & Trust
Independent reviews and company profile.
| Field | SendPulse | SMSAPI |
|---|---|---|
| G2 rating | 4.6 | 0.0 |
| G2 reviews | 714 | 0 |
| Ownership | private | public |
| Employees | 51-200 | 51-200 |
What's the differenceSendPulse leads on G2 rating (4.6 vs 0 for SMSAPI); SendPulse leads on G2 reviews (714 vs 0 for SMSAPI).
Still deciding? Read the quickstart guides: