2fact.io

What It Is

2fact.io positions itself as “2FA Numbers as a Service.” Its core offering is renting dedicated phone numbers to receive OTP/2FA verification codes from websites or apps. It is not a traditional marketing SMS platform; instead, it is more of a number-receiving infrastructure layer for account verification, enterprise account management, and developer integrations. Messages can be viewed in the Dashboard, or integrated into your own systems via API or Webhook.

Core Capabilities

In terms of channels, public materials indicate that SMS is the main channel, and most numbers support SMS/MMS. The Growth plan offers voice fallback for OTPs, but voice capabilities vary by country. For coverage, the FAQ only states that U.S. and international numbers are supported and provided via MessageBird; it does not list a complete country catalog. Some countries require identity verification or business KYC. On performance, the site says messages appear instantly in the Dashboard and Webhooks are triggered when SMS messages are received. The Business plan includes a 99.95% SLA and high throughput, but no specific delivery rate, average latency, or historical uptime data is disclosed.

API and Integrations

Its developer capabilities are relatively clear: the REST API uses Bearer API Key authentication, with the Base URL set to api.2fact.io/v1. It supports listing numbers, retrieving recent messages, and using Incoming Webhooks to push the number, sender, SMS content, and received time to a client endpoint. For teams that need to integrate verification-code receiving into automation workflows, monitoring, or backend systems, the integration barrier is relatively low.

Pricing and Compliance

There is a clear inconsistency in the published pricing: the homepage lists Starter at $70/month and Growth at $210/month, while the Pricing page lists Starter at $19/month and Growth at $49/month. The plan benefits are broadly similar in both places: Starter includes 1 dedicated number and 1,000 SMS/month; Growth includes 3 numbers and 5,000 SMS/month; Business is custom-priced and supports number pools, SSO/RBAC, SLA, and data residency. On compliance, the FAQ explicitly states that the service may only be used for accounts owned by the user or their organization, and that telecom provider compliance rules are enforced. This is an important prerequisite for services of this type.

Pros, Cons, and Who It’s For

The main advantages are its focused use case, support for dedicated numbers, complete Webhook/API capabilities, and enterprise features such as permissions and SLA. The downsides are conflicting pricing, opaque country coverage, limited delivery-performance data, and no disclosed payment methods or company location. It is better suited to companies, developer teams, and testing teams with legitimate verification needs for their own accounts. If you need large-scale marketing SMS or clearly confirmed reachability in mainland China, alternatives such as Twilio, MessageBird, Telnyx, and Bandwidth should be evaluated first.

China Access

The crawled text does not provide information on accessibility from mainland China, payment methods, or RMB billing, so China access status can only be marked as unknown. Before purchasing, it is recommended to test connectivity to the console and API, and confirm whether Chinese business KYC, payment, and target-country number resources are supported.