> ## Documentation Index
> Fetch the complete documentation index at: https://apidoc.cufinder.io/llms.txt
> Use this file to discover all available pages before exploring further.
# Phone Number Normalizer API
> Data quality issues start when phone numbers arrive in dozens of inconsistent formats across your contact database. The Phone Number Normalizer API standardizes phone numbers into E.164 international format, returning cleaned numbers with country codes, area codes, and validation status that ensure CRM integration compatibility and dialer system accuracy. Built for data enrichment platforms, contact management systems, and communication automation tools, this RESTful endpoint delivers normalized phone data—including format corrections, carrier type detection, and validity flags—that power click-to-dial functionality, SMS delivery optimization, and duplicate contact consolidation workflows across your sales and marketing stack.
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## Common Use Cases
Consistent phone formatting keeps dialers, deduplication, and compliance running smoothly.
* **Data Hygiene:** Standardizing phone numbers to a consistent format before storage.
* **Deduplication:** Matching records that store the same number different ways.
* **Dialer Readiness:** Formatting numbers so calling tools dial correctly.
* **Compliance:** Keeping numbers in a valid format for messaging and consent.
* **Data Integration:** Reconciling phone formats across systems and imports.
Credit usage is 1 per record found.
## Attributes
Phone Number
## Response
```json Response theme={null}
{
"status": 1,
"data": {
"confidence_level": 99,
"query": "+13108073300",
"phone": "+1 310 807 3300",
"credit_count": 22
}
}
```
## Phone Number Normalizer API Typescript SDK
```typescript Request theme={null}
import { Cufinder } from '@cufinder/cufinder-ts';
// Initialize the client
const client = new Cufinder('your-api-key-here');
// Initialize with more options
const client = new Cufinder('your-api-key-here', { timeout: 60000 });
const result = await client.nao('+18006676389')
console.log(result);
```
## Phone Number Normalizer API Python SDK
```python Request theme={null}
from cufinder import Cufinder
# Initialize the client
client = Cufinder('your-api-key-here')
# Initialize with more options
client = Cufinder('your-api-key-here', timeout=60)
result = client.nao('+18006676389')
print(result)
```
## Phone Number Normalizer API Go SDK
```go Request theme={null}
package main
import (
"fmt"
"log"
"github.com/cufinder/cufinder-go"
)
func main() {
// Initialize the client
sdk := cufinder.NewSDK("your-api-key-here")
// Initialize with more options
sdk := cufinder.NewSDKWithConfig(cufinder.ClientConfig{
APIKey: "your-api-key-here",
BaseURL: "https://api.cufinder.io/v2",
Timeout: 60 * time.Second,
MaxRetries: 3,
})
}
result, err := sdk.NAO("+18006676389")
if err != nil {
log.Fatal(err)
}
fmt.Println(result)
```
## Phone Number Normalizer API Ruby SDK
```ruby Request theme={null}
require 'cufinder_ruby'
# Initialize the client
client = Cufinder::Client.new(api_key: 'your-api-key-here')
# Initialize with more options
client = Cufinder::Client.new(
api_key: 'your-api-key-here',
timeout: 60,
max_retries: 3
)
result = client.nao(phone: "+18006676389")
puts result
```
## Phone Number Normalizer API Rust SDK
```rust Request theme={null}
use cufinder_rust::CufinderSDK;
#[tokio::main]
async fn main() -> Result<(), Box> {
// Initialize the client
let sdk = CufinderSDK::new("your-api-key-here".to_string())?;
// Initialize with more options
let sdk = CufinderSDK::with_config(ClientConfig {
api_key: "your-api-key-here".to_string(),
base_url: "https://api.cufinder.io/v2".to_string(),
timeout: Duration::from_secs(60),
max_retries: 3,
})?;
Ok(())
}
let result = sdk.nao("+18006676389").await?;
println!("{:?}", result);
```
## Related APIs
Standardize and validate postal addresses.
Clean and standardize company names.
Find a company's phone numbers.
Enrich a company with full firmographics.