Validates phone numbers against international formatting standards and returns detailed results including country code, carrier type, and validity status. Access via MCP in Cursor or Windsurf for instant validation in your workflow, or call GET /v1/validate/phone with the number parameter. Returns structured data with is_valid boolean, formatted number, and metadata like region and line type.
curl "https://tinyfn.io/v1/validate/phone" \
-H "X-API-Key: YOUR_API_KEY"const response = await fetch('https://tinyfn.io/v1/validate/phone', {
headers: { 'X-API-Key': 'YOUR_API_KEY' }
});
const data = await response.json();
console.log(data);import requests
response = requests.get('https://tinyfn.io/v1/validate/phone',
headers={'X-API-Key': 'YOUR_API_KEY'})
data = response.json()
print(data)Connect your AI agent (Claude, Cursor, Windsurf, etc.) to TinyFn's validation tools:
{
"mcpServers": {
"tinyfn-validation": {
"url": "https://tinyfn.io/mcp/validation",
"headers": {
"X-API-Key": "YOUR_API_KEY"
}
}
}
}Accepts international (+1234567890), national (123-456-7890), and raw digit formats. The validator normalizes input and checks against E.164 standards for global compatibility.
Use the validate_phone tool in Cursor, Windsurf, or other MCP clients. Pass the phone number as a parameter and get instant validation with country detection and formatting suggestions.
Yes, validates numbers from 200+ countries using libphonenumber standards. Returns country code, region, and whether the number format is valid for that specific country.
Returns is_valid status, formatted E.164 number, country code, region, carrier type (mobile/landline), and possible number type. Useful for SMS routing and contact verification.
No, requires API call to TinyFn's validation service. The tool uses up-to-date carrier databases and number allocation tables that change frequently, so offline validation isn't reliable.
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