🇮🇳 ⚡ Go (Golang) Ready OTP Gateway

High-Speed OTP SMS API for Go (Golang)

Drop our production-tested REST API directly into your Go (Golang) app without extra dependencies. Empower your verification pipeline with NizoraSMS under 2.5-second OTP delivery, 99.9% uptime, and low-cost rates from ₹0.16/SMS.

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< 2.5s OTP Delivery SLA
TRAI DLT Compliant
Multi-Carrier Auto-Failover
< 2.5s Avg OTP Speed
99.9% Delivery SLA
₹0.16 Starting Price
Go (Golang) Integration Example REST API v1 
payload, _ := json.Marshal(map[string]string{"mobile": phone, "otp": otp})
req, _ := http.NewRequest("POST", "https://nizorasms.com/api/v1/otp/send", bytes.NewBuffer(payload))
req.Header.Set("Authorization", "Bearer "+apiKey)
req.Header.Set("Content-Type", "application/json")
client.Do(req)

Explore OTP API Across Stacks & Industries

Pre-configured solutions and fast integration guides across India's top development environments.

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OTP for E-Commerce OTP for FinTech & Payments OTP for Banking & NBFC OTP for Healthcare & Diagnostics OTP for Real Estate Portals OTP for EdTech & Online Coaching OTP for Online Gaming & Fantasy Sports OTP for Food Delivery & Cloud Kitchens OTP for Logistics & Courier Delivery OTP for Matrimony & Dating Apps

Frequently Asked Questions

Everything you need to know about setting up high-speed OTP verification.

How fast is NizoraSMS OTP delivery for this integration?

NizoraSMS delivers OTPs in under 2.5 seconds with dedicated high-priority telecom pipes across Jio, Airtel, Vodafone Idea (Vi), and BSNL in India.

Is DLT registration required?

Yes, as per TRAI regulations in India. NizoraSMS provides instant pre-approved compliant OTP templates so you can test and launch immediately.

How much does NizoraSMS cost per OTP?

Pricing starts from ₹0.16 to ₹0.28 per OTP with flexible pay-as-you-go wallet recharges starting at just ₹200 with zero monthly lock-ins.

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Create an account, recharge with ₹200, and start verifying users in under 2.5 seconds.

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