GetOTP API
The GetOTP API is an open-source public API that enables developers to generate and validate one-time passwords for authentication purposes. This API is suitable for adding secure OTP-based login systems to websites, mobile apps, or enterprise platforms. It offers fast response times and easy integration, making it a reliable tool for identity verification.
1
Endpoints
0
Views
Jul 20, 2025
Last Checked
100 requests/hour
Rate Limit
API Endpoints
Creates one-time passwords for authentication flows
Full URL
https://otp.dev/api/generateCode Examples
curl -X POST 'https://otp.dev/api/generate' \
-H 'Authorization: Bearer YOUR_API_KEY'Parameters
{
"expiry": 300,
"length": 6
}Example Response
{
"otp": "A3F9B7",
"expires_at": "2023-07-18T15:30:00Z",
"remaining_seconds": 300
}Version
v1
Rate Limit
50 OTPs/hour
Tags
authenticationsecurity
Technical Details
Authentication
API KeyResponse Formats
JSONAvailability
globalStatus
Published Rate Limits
100 requests/hour
Supported Languages
Any
Use Cases
2FA systems
user verification
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