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Send OTP

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Endpoint

POST /send/otp

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What recipients see

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Request

curl -X POST http://localhost:8080/send/otp \
  -H "X-API-Key: lfy_your_key" \
  -H "Content-Type: application/json" \
  -d '{"to":"hello@example.com"}'

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Request Body

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Response

{
  "email": "hello@example.com",
  "expires_at": "2026-08-04T09:40:00Z"
}

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Behavior

• 6-digit numeric codes generated with crypto/rand
• Stored in Redis with 10 minute TTL
• One active OTP per email at a time
• Single use — deleted immediately after verification

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Errors