Comparison
Overview
Company snapshot and where each provider is based.
| Field | Apifon | Telnyx |
|---|---|---|
| What it is | Greek business-messaging platform for SMS, Viber, WhatsApp, RCS, Messenger and email campaigns, with a web platform plus REST and SMPP APIs. | 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 | 2014 | 2009 |
| Ownership | private | private |
| Employees | 51-200 | 201-500 |
| HQ city | Thessaloniki | Chicago |
| HQ country | Greece (EU) | USA |
What's the differenceTelnyx edges ahead on the overall messaging.dev Score (78 vs 52). Apifon is private and headquartered in Thessaloniki, Greece (EU); Telnyx is private and based in Chicago, USA.
Channels
Which messaging channels each provider can send and receive on.
| Field | Apifon | Telnyx |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | Yes |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | No |
| Facebook Messenger | Yes | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | Yes |
What's the differenceThey share 4 channels. Apifon additionally offers Viber, Facebook Messenger, while Telnyx additionally offers MMS, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Apifon | Telnyx |
|---|---|---|
| Self-service onboarding | Yes | Yes |
| Free developer credit | Free trial bonus on verification | No |
| Docs quality | high | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | Java, PHP, C#, Python, Node.js | Node.js, Python, Ruby, Go, Java, .NET, PHP |
| Sandbox / test env | No | No |
| API types | REST, SMPP | REST, SMPP |
What's the differenceOn SDKs, Apifon adds C#; Telnyx adds Ruby, Go, .NET.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Apifon | Telnyx |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | Yes |
| Choose region | No | Yes |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| SOC 2 | No | Yes |
| HIPAA | No | Yes |
What's the differenceTelnyx offers US data residency, while Apifon does not; Telnyx offers Choose region, while Apifon does not; Telnyx offers SOC 2, while Apifon does not; Telnyx offers HIPAA, while Apifon does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Apifon | Telnyx |
|---|---|---|
| Retention policy | Message logs (telephone numbers, message body, sender ID, timestamps) are retained for a default period of 24 months; other personal data is kept for as long as a contractual relationship exists. All personal data is stated to be hosted on servers located within the European Union. | 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 differenceApifon: Message logs (telephone numbers, message body, sender ID, timestamps) are retained for a default period of 24 months; other personal data is kept for as long as a contractual relationship exists. All personal data is stated to be hosted on servers located within the European Union. 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 | Apifon | Telnyx |
|---|---|---|
| Pricing model | Prepaid pay-as-you-go: customers top up a euro balance by card, PayPal, or bank transfer and messages are charged against it; per-message rates are quoted per account, not published. | Pay-as-you-go per message billed per message part, with volume discounts and custom contracts for high-volume customers. |
| SMS starting price | Not published | $0.004 per outbound SMS message part (US, plus carrier fees) |
| Free developer credit | Free trial bonus on verification | No |
What's the differenceApifon and Telnyx are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Apifon | Telnyx |
|---|---|---|
| Countries covered | 200 | 130 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | 99.99% (SLA) |
What's the differenceApifon leads on Countries covered (200 vs 130 for Telnyx); Telnyx offers Direct operator connections, while Apifon does not.
Company & Trust
Independent reviews and company profile.
| Field | Apifon | Telnyx |
|---|---|---|
| G2 rating | 4.8 | 4.7 |
| G2 reviews | 3 | 525 |
| Ownership | private | private |
| Employees | 51-200 | 201-500 |
What's the differenceApifon leads on G2 rating (4.8 vs 4.7 for Telnyx); Telnyx leads on G2 reviews (525 vs 3 for Apifon).
Still deciding? Read the quickstart guides:
Already on one of them? Follow a migration guide: