What does D7 Verify API do?

D7 Verify API allows applications to send OTPs via SMS or voice to authenticate users, protect accounts and support secure transactions with delivery reporting.

How do I integrate D7 Verify API?

Developers can integrate using REST endpoints with API keys. Documentation covers sending OTPs, validating codes, webhooks for delivery status, and SDK examples.

Does D7 support global OTP delivery?

Yes — D7 Verify API supports worldwide delivery with regional routing, retry strategies, and delivery insights to maximize success rates.

Is the Verify API compliant with local regulations?

D7 provides guidance on local regulatory requirements and can assist with region-specific compliance and sender configuration during onboarding.

Verify API

Secured OTP Verification API

Enables fast, secure one-time password authentication over SMS, WhatsApp, or Voice, with built-in fallback.

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The Unique Features

Strengthen the Security with the Multichannel 2FA Verify API

Multi-Channel Flexibility

Deliver verification codes over SMS, WhatsApp or Voice from a single API, with no separate integration for each channel.

Lightning-fast Delivery

Code generation to verification can be completed in just 20 seconds ensuring efficient protection for your business.

Multi-Channel Fallback

If one OTP channel fails, automatically switch to another configured channel for reliable delivery.

Global Solution

Global phone number authentication via direct connections with telecom operators and other messaging platforms.

Affordable Plans

Each verification attempt is charged based on the channel used, including Voice when it is triggered through fallback.

Easy Integration

Our APIs are designed with Stronger Authentication with simple coding and easily customized to the needs.

Workflow

How the Verify API Works

Sign up and enter your D7 2FA API token. Call the "Send OTP" API button with the phone number you want to verify. A unique code will be sent to customers via the channel you choose: SMS,WhatsApp or Voice.

When the user enters the received OTP code for verification, call verification API with saved otp_id and OTP code entered by the user. Our API validates and confirms verification.

Easy to use API

Integrate D7 Verify API Quickly

The user-friendly APIs feature strong authentication and simple coding for easy customization. With the D7 Verify API, developers can add OTP verification to their apps using a simple interface to send, resend, and verify OTP messages.

Start building See documentation

from direct7 import Client

client = Client(api_token="Your API token")

client.verify.send_otp(
    originator="SignOTP", 
    recipient="+97150900XXXX", 
    content = "Greetings from D7 API, your mobile verification code is: {}", 
    expiry = 600, 
    data_coding = "text")

Use Cases

Real-World Use Cases of Verify API

User Authentication

Send a unique code to registered mobile numbers to confirm user identities, ensuring only authorized users access sensitive information.

Fraud Prevention

OTPs help prevent fraud in high-risk actions like password changes and transactions by sending a one-time code to the registered device.

2FA Verification

Add an extra layer of security by sending a one-time passcode (OTP) to the user's device, which must be entered along with their usual login credentials.

Account Recovery

OTPs enable secure, seamless account recovery by sending a unique code to the user's registered device for password resets or updates.

PRICING

Next-Generation Services, Simple Pricing

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FAQ's

Frequently Asked Questions

Yes, you can configure the OTP length and expiration time based on your security requirements..

The API generates a unique OTP and sends it to the user's phone number on your preferred channel (SMS, WhatsApp or Voice). The user enters the code on your platform, and the API verifies it to authenticate the user..

Each verification attempt is charged based on the channel used, including Voice when it is triggered through fallback. Rates vary by country and channel. Contact D7 Networks for customised pricing..

Multi-channel fallback automatically sends the OTP on another configured channel when the primary channel fails. For example, if an SMS is not delivered, D7 can retry on WhatsApp or Voice so the user still receives the code..

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Start today and enhance your communication workflows.

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