Prelude
Paris, France (EU) · Founded 2022 · private
Developer platform for phone and email verification (OTP), authentication, number intelligence, and anti-fraud onboarding delivered across SMS, RCS, WhatsApp, voice and other channels.
messaging.dev Score
Overview
Company snapshot and where each provider is based.
| What it is | 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 | 2022 |
| Ownership | private |
| Employees | 51-200 |
| HQ city | Paris |
| HQ country | France (EU) |
Channels
Which messaging channels each provider can send and receive on.
| SMS | Yes |
| MMS | No |
| RCS | Yes |
| Yes | |
| Viber | Yes |
| Facebook Messenger | No |
| Telegram | Yes |
| Apple Messages for Business | No |
| Voice | Yes |
| Yes |
Developer Experience
How quickly a developer can sign up and send a first message.
| Self-service onboarding | Yes |
| Free developer credit | No |
| Docs quality | high |
| Documentation | https://docs.prelude.so ↗ |
| SDKs | Node.js, Python, Go, Java, Ruby, PHP, C# |
| Sandbox / test env | No |
| API types | REST |
Data & Compliance
Data residency options and enterprise compliance certifications.
| EU data residency | Yes |
| US data residency | No |
| Choose region | No |
| GDPR | Yes |
| ISO 27001 | Yes |
| SOC 2 | Yes |
| HIPAA | No |
Data Retention
How long message content and metadata are stored, and whether that is configurable.
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.
| Pricing model | 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 | €0.0043 per SMS (US, at-cost); verification fee from €0.032 |
| Free developer credit | No |
Reach & Reliability
Global coverage and delivery dependability.
| Countries covered | 230 |
| Direct operator connections | Yes |
| Published uptime SLA | No published SLA |
Company & Trust
Independent reviews and company profile.
| G2 rating | 4.9 |
| G2 reviews | 13 |
| Ownership | private |
| Employees | 51-200 |
Sources
Public references used for the values above, pending Prelude's confirmation.
Migration guides
Moving away from Prelude? Step-by-step guides: