Comparison
Overview
Company snapshot and where each provider is based.
| Field | SendPulse | Telnyx |
|---|---|---|
| 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. | Telnyx is a licensed telecom carrier offering a CPaaS platform with APIs for SMS, MMS, RCS, WhatsApp, voice, and email over its own private global IP network. |
| Founded | 2015 | 2009 |
| Ownership | private | private |
| Employees | 51-200 | 201-500 |
| HQ city | New York | Chicago |
| HQ country | USA | USA |
What's the differenceTelnyx edges ahead on the overall messaging.dev Score (78 vs 63). SendPulse is private and headquartered in New York, USA; Telnyx is private and based in Chicago, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | SendPulse | Telnyx |
|---|---|---|
| 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 | Yes |
What's the differenceThey share 3 channels. SendPulse additionally offers Viber, Facebook Messenger, Telegram, while Telnyx additionally offers MMS, RCS, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | SendPulse | Telnyx |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | No |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | PHP, Python, Ruby, Java, Node.js, C# | Node.js, Python, Ruby, Go, Java, .NET, PHP |
| Sandbox / test env | No | No |
| API types | REST, SMTP | REST, SMPP |
What's the differenceOn SDKs, SendPulse adds C#; Telnyx adds Go, .NET; on API types, SendPulse adds SMTP; Telnyx adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | SendPulse | Telnyx |
|---|---|---|
| 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 differenceTelnyx offers Choose region, while SendPulse does not; Telnyx offers ISO 27001, while SendPulse does not; Telnyx offers SOC 2, while SendPulse does not; Telnyx offers HIPAA, while SendPulse does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | SendPulse | Telnyx |
|---|---|---|
| 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. | Telnyx follows a "Privacy by Design", minimal data-retention approach with customer-controlled retention policies, so message content and metadata retention can be configured by the customer. Its security-practices documentation states security logs are retained for 90 days; specific default retention periods for message content are not publicly documented in detail. |
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. Telnyx: Telnyx follows a "Privacy by Design", minimal data-retention approach with customer-controlled retention policies, so message content and metadata retention can be configured by the customer. Its security-practices documentation states security logs are retained for 90 days; specific default retention periods for message content are not publicly documented in detail.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | SendPulse | Telnyx |
|---|---|---|
| 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 billed per message part, with volume discounts and custom contracts for high-volume customers. |
| SMS starting price | €0.01 per SMS (e.g. Colombia, Turkey) | $0.004 per outbound SMS message part (US, plus carrier fees) |
| Free developer credit | Free plan (15,000 emails/mo) + 10 test SMS | No |
What's the differenceSendPulse and Telnyx are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | SendPulse | Telnyx |
|---|---|---|
| Countries covered | 200 | 130 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | 99.99% (SLA) |
What's the differenceSendPulse leads on Countries covered (200 vs 130 for Telnyx); Telnyx offers Direct operator connections, while SendPulse does not.
Company & Trust
Independent reviews and company profile.
| Field | SendPulse | Telnyx |
|---|---|---|
| G2 rating | 4.6 | 4.7 |
| G2 reviews | 714 | 525 |
| Ownership | private | private |
| Employees | 51-200 | 201-500 |
What's the differenceTelnyx leads on G2 rating (4.7 vs 4.6 for SendPulse); SendPulse leads on G2 reviews (714 vs 525 for Telnyx).
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