nexmo.com

The Number Insight API delivers real-time intelligence about the validity, reachability and roaming status of a phone number and tells you how to format the number correctly in your application. There are three levels of Number Insight API available: [Basic, Standard and Advanced](https://developer.

🔑 apikey 4 endpoints

📄 Docs 📋 OpenAPI spec 🔬 Try in Swagger UI

SDKs by language (9 total)

verify-javascript-sdk ✓ Official

npm install verify-javascript-sdk

GitHub integration →

verify-android-sdk ✓ Official

# Maven: see https://github.com/Nexmo/verify-android-sdk

GitHub integration →

react-native-nexmo-verify

# Maven: see https://github.com/artechsio/react-native-nexmo-verify

GitHub integration →

vonage-php-nexmo-bridge ✓ Official

composer require vonage-php-nexmo-bridge

GitHub integration →

verify-ios-sdk ✓ Official

# See https://github.com/Nexmo/verify-ios-sdk

GitHub integration →

client-sdk-voice-app-to-phone-flutter ✓ Official

# Maven: see https://github.com/nexmo-community/client-sdk-voice-app-to-phone-flutter

GitHub integration →

stitch-js-quickstart ✓ Official

# See https://github.com/Nexmo/stitch-js-quickstart

GitHub integration →

server-sdk-specification ✓ Official

# See https://github.com/Nexmo/server-sdk-specification

GitHub integration →

client-sdk-tutorials ✓ Official

# See https://github.com/nexmo-community/client-sdk-tutorials

GitHub integration →

curl examples

Basic Number Insight

curl \
  # append ?api_key=$API_KEY to the URL \
  https://api.nexmo.com/ni/basic/{format}

Advanced Number Insight (sync)

curl \
  # append ?api_key=$API_KEY to the URL \
  https://api.nexmo.com/ni/advanced/{format}

Standard Number Insight

curl \
  # append ?api_key=$API_KEY to the URL \
  https://api.nexmo.com/ni/standard/{format}

Endpoints (4 total)

GET

/basic/{format}

Basic Number Insight

GET

/advanced/{format}

Advanced Number Insight (sync)

GET

/standard/{format}

Standard Number Insight

GET

/advanced/async/{format}

Advanced Number Insight (async)