Kaleyra SMS API

Communications · SMS & Messaging

Kaleyra is a global cloud communications platform providing SMS, voice, fax, and messaging APIs across 190+ countries including Nigeria. The Kaleyra SMS API enables developers to send SMS messages, manage campaigns, track delivery, and handle incoming messages.

freemium

API Key

100 requests/second

✓ Available

Best For

Enterprises needing SMS, voice, and fax from one global platform

Pricing

Publicly traded SMS platform (NYSE: KLR). Strong global infrastructure. 100 req/sec rate limit. Free tier for development. Competitive African pricing. SDKs available for major programming languages.

Key Highlights

  • SMS to 190+ countries with Nigerian coverage
  • Bulk SMS and one-to-one messaging
  • Delivery reports and webhooks
  • Sender ID and campaign management
  • Voice and messaging integration

Required Access Documents

  • API KeyRequired
    Sign up for a developer account to obtain an API key/credentials.

Use Cases

  • Enterprise Notifications:Send transactional messages across multiple channels from one API.
  • Two-Factor Authentication:Deliver OTPs via SMS with global reach including Nigeria.

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