Comparison
Overview
Company snapshot and where each provider is based.
| Field | Apifon | Prelude |
|---|---|---|
| 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. | Developer platform for phone and email verification (OTP), authentication, number intelligence, and anti-fraud onboarding delivered across SMS, RCS, WhatsApp, voice and other channels. |
| Founded | 2014 | 2022 |
| Ownership | private | private |
| Employees | 51-200 | 51-200 |
| HQ city | Thessaloniki | Paris |
| HQ country | Greece (EU) | France (EU) |
What's the differencePrelude edges ahead on the overall messaging.dev Score (62 vs 52). Apifon is private and headquartered in Thessaloniki, Greece (EU); Prelude is private and based in Paris, France (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Apifon | Prelude |
|---|---|---|
| SMS | Yes | Yes |
| MMS | No | No |
| RCS | Yes | Yes |
| Yes | Yes | |
| Viber | Yes | Yes |
| Facebook Messenger | Yes | No |
| Telegram | No | Yes |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | Yes |
What's the differenceThey share 5 channels. Apifon additionally offers Facebook Messenger, while Prelude additionally offers Telegram, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Apifon | Prelude |
|---|---|---|
| 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, Go, Java, Ruby, PHP, C# |
| Sandbox / test env | No | No |
| API types | REST, SMPP | REST |
What's the differenceOn SDKs, Prelude adds Go, Ruby; on API types, Apifon adds SMPP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Apifon | Prelude |
|---|---|---|
| EU data residency | Yes | Yes |
| US data residency | No | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | Yes | Yes |
| SOC 2 | No | Yes |
| HIPAA | No | No |
What's the differencePrelude offers SOC 2, while Apifon does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Apifon | Prelude |
|---|---|---|
| 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. | Not publicly documented in detail. Prelude is a European (Paris-based) company that hosts and processes data in EU data centers under GDPR, with SOC 2 Type 2 and ISO 27001:2022 controls including encryption of data in transit and at rest. It states that only essential data is stored for delivery tracking, but specific message-content and metadata retention periods are not published on the site or trust center. |
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. Prelude: Not publicly documented in detail. Prelude is a European (Paris-based) company that hosts and processes data in EU data centers under GDPR, with SOC 2 Type 2 and ISO 27001:2022 controls including encryption of data in transit and at rest. It states that only essential data is stored for delivery tracking, but specific message-content and metadata retention periods are not published on the site or trust center.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Apifon | Prelude |
|---|---|---|
| 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-verification pricing plus at-cost (zero-markup) per-message charges, with optional Startup subscription and custom Enterprise tiers. |
| SMS starting price | Not published | €0.0043 per SMS (US, at-cost); verification fee from €0.032 |
| Free developer credit | Free trial bonus on verification | No |
What's the differenceApifon and Prelude are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Apifon | Prelude |
|---|---|---|
| Countries covered | 200 | 230 |
| Direct operator connections | No | Yes |
| Published uptime SLA | No published SLA | No published SLA |
What's the differencePrelude leads on Countries covered (230 vs 200 for Apifon); Prelude offers Direct operator connections, while Apifon does not.
Company & Trust
Independent reviews and company profile.
| Field | Apifon | Prelude |
|---|---|---|
| G2 rating | 4.8 | 4.9 |
| G2 reviews | 3 | 13 |
| Ownership | private | private |
| Employees | 51-200 | 51-200 |
What's the differencePrelude leads on G2 rating (4.9 vs 4.8 for Apifon); Prelude leads on G2 reviews (13 vs 3 for Apifon).
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