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The sms capability sends SMS text messages to phone numbers worldwide.

Providers

Basic Usage

Parameters

string
required
Phone number in E.164 format (e.g., +14155551234).
string
required
Message text. Max 1600 characters.

Response

Examples

Verification Code

Alert Notification

With AI-Generated Content

Pricing

Phone Number Format

Phone numbers must be in E.164 format: +[country code][number]
Examples:
  • US: +14155551234
  • UK: +447911123456
  • Germany: +4915123456789

Message Length

SMS messages are limited by segment size:
  • Standard SMS: 160 characters
  • Unicode SMS: 70 characters
  • Long messages are split into multiple segments (each charged separately)

Best Practices

  • Include opt-out instructions for marketing messages
  • Don’t send messages outside business hours
  • Keep messages concise
  • Include sender identification
  • Follow local regulations (TCPA in US, GDPR in EU)