## Approve Bills

### cURL

```bash
curl --request POST \
  --url https://api.m3ter.com/organizations/{orgId}/bills/approve \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "billIds": [\
    "<string>"\
  ]
}'
```

### Python

```python
import requests

url = "https://api.m3ter.com/organizations/{orgId}/bills/approve"

payload = { "billIds": ["<string>"] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
```

### JavaScript

```javascript
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({billIds: ['<string>']})
};

fetch('https://api.m3ter.com/organizations/{orgId}/bills/approve', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### PHP

```php
<?php

$curl = curl_init();

curl_setopt_array($curl, [\
  CURLOPT_URL => "https://api.m3ter.com/organizations/{orgId}/bills/approve",\
  CURLOPT_RETURNTRANSFER => true,\
  CURLOPT_ENCODING => "",\
  CURLOPT_MAXREDIRS => 10,\
  CURLOPT_TIMEOUT => 30,\
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,\
  CURLOPT_CUSTOMREQUEST => "POST",\
  CURLOPT_POSTFIELDS => json_encode([\
    'billIds' => [\
        '<string>'\
    ]\
  ]),\
  CURLOPT_HTTPHEADER => [\
    "Authorization: Bearer <token>",\
    "Content-Type: application/json"\
  ],\
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
?>
```

### Go

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

url := "https://api.m3ter.com/organizations/{orgId}/bills/approve"

payload := strings.NewReader("{\n  \"billIds\": [\n    \"<string>\"\n  ]\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

res, _ := http.DefaultClient.Do(req)

defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

fmt.Println(string(body))
}
```

### Java

```java
HttpResponse<String> response = Unirest.post("https://api.m3ter.com/organizations/{orgId}/bills/approve")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"billIds\": [\n    \"<string>\"\n  ]\n}")
  .asString();
```

### Ruby

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.m3ter.com/organizations/{orgId}/bills/approve")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"billIds\": [\n    \"<string>\"\n  ]\n}"

response = http.request(request)
puts response.read_body
```

### Response Codes
- **200**: Success
- **4XX**: Client Error
- **5XX**: Server Error

### Response Body
```json
{
  "message": "<string>"
}
```

### Authorizations
- **Authorization**: string (header, required): m3ter supports machine to machine authentication using the `clientCredentials` OAuth2 flow.

### Path Parameters
- **orgId**: string (required): The unique identifier (UUID) of your Organization, which represents your company as a direct customer of our service.

### Query Parameters
- **externalInvoiceDateStart**: string: Start date for filtering Bills by external invoice date.
- **externalInvoiceDateEnd**: string: End date for filtering Bills by external invoice date.
- **accountIds**: string: List of Account IDs to filter Bills.

### Body
- **billIds**: string[] (required): Use to specify a collection of Bills by their IDs for batch approval.

### Minimum array length
- Minimum array length: `1`.

### Note
- Returns a message indicating the success/failure of Bills approval.