Comparison
Overview
Company snapshot and where each provider is based.
| Field | SendPulse | Sinch |
|---|---|---|
| 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. | Cloud communications platform for messaging, voice, and email APIs |
| Founded | 2015 | 2008 |
| Ownership | private | public |
| Employees | 51-200 | 3,000-5,000 |
| HQ city | New York | Stockholm |
| HQ country | USA | Sweden (EU) |
What's the differenceSinch edges ahead on the overall messaging.dev Score (92 vs 63). SendPulse is private and headquartered in New York, USA; Sinch is public and based in Stockholm, Sweden (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | SendPulse | Sinch |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | No | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | Yes |
| Telegram | Yes | Yes |
| Apple Messages for Business | No | Yes |
| Voice | No | Yes |
| Yes | Yes |
What's the differenceThey share 6 channels. Sinch additionally offers MMS, RCS, Apple Messages for Business, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SendPulse | Sinch |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | Yes |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Python, Ruby, Java, Node.js, C# | Java, Python, C#, Node.js, PHP |
| Sandbox / test env | No | Yes |
| API types | REST, SMTP | REST, SMTP, SMPP |
What's the differenceOn SDKs, SendPulse adds Ruby; Sinch offers Sandbox / test env, while SendPulse does not; on API types, Sinch adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SendPulse | Sinch |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | Yes | Yes |
| Choose region | No | Yes |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | No | Yes |
| HIPAA | No | Yes |
What's the differenceSinch offers Choose region, while SendPulse does not; Sinch offers ISO 27001, while SendPulse does not; Sinch offers SOC 2, while SendPulse does not; Sinch offers HIPAA, while SendPulse does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SendPulse | Sinch |
|---|---|---|
| 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. | Sinch retains message and delivery records to provide the service and meet legal obligations; retention windows for message content are limited and, for some products, configurable via data-processing agreements. |
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. Sinch: Sinch retains message and delivery records to provide the service and meet legal obligations; retention windows for message content are limited and, for some products, configurable via data-processing agreements.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | SendPulse | Sinch |
|---|---|---|
| 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 per message with volume and committed-use pricing |
| SMS starting price | €0.01 per SMS (e.g. Colombia, Turkey) | Approx. $0.0075 per US SMS segment (varies by volume; plus carrier fees) |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | Yes |
What's the differenceSendPulse and Sinch are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SendPulse | Sinch |
|---|---|---|
| Countries covered | 200 | 150 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | 99.95% |
What's the differenceSendPulse leads on Countries covered (200 vs 150 for Sinch); Sinch offers Direct operator connections, while SendPulse does not.
Company & Trust
Independent reviews and company profile.
| Field | SendPulse | Sinch |
|---|---|---|
| G2 rating | 4.6 | 4.3 |
| G2 reviews | 714 | 150 |
| Ownership | private | public |
| Employees | 51-200 | 3,000-5,000 |
What's the differenceSendPulse leads on G2 rating (4.6 vs 4.3 for Sinch); SendPulse leads on G2 reviews (714 vs 150 for Sinch).
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