API Tools
Automate with our REST API
Integrate ExpressOTP into your apps, bots & automation workflows. Programmatic access to virtual numbers.
API Key Access
Unique API key per account. Authenticate all requests securely.
Buy Numbers
Request virtual numbers programmatically for any service or country.
Get OTP / SMS
Poll for incoming OTPs via API. Perfect for automation workflows.
Check Balance
Query your wallet balance and usage stats in real time.
// Example: Buy a number via API
GET https://expressotp.com/api/buy?
api_key=YOUR_API_KEY&
server=1&
service=whatsapp
GET https://expressotp.com/api/buy?
api_key=YOUR_API_KEY&
server=1&
service=whatsapp
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