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Documentation Index

Fetch the complete documentation index at: https://docs.arnio.co/llms.txt

Use this file to discover all available pages before exploring further.

The Arnio API lets you call an endpoint to check if a phone number supports iMessage. This is useful for determining:
• Whether a number belongs to an iPhone or not
• If a number is valid before sending a message
• Whether to route the message through Arnio or another provider Use the /api/evaluate-service endpoint to check if a number uses iMessage.