> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.upwardli.com/api-access/api-reference/consumers/bill-reporting/create-attestation-view-set/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.upwardli.com/_mcp/server.

# Create Attestation View Set

POST https://api.upwardli.com/v2/consumers/{consumer_external_id}/bill-reporting/attestation/
Content-Type: application/json

0) Validate the Request input params
1) Validate the Request Token and get the Partner
2) Check that consumer is onboarded on Bloom Enablement
3) Get tradeline by the id
4) Make some validation for the tradeline (eligible, already open, etc.)
6) Check category to define the vars to send
7) Open a tradeline for the consumer

Reference: https://developers.upwardli.com/api-access/api-reference/consumers/bill-reporting/create-attestation-view-set

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Servers

- `https://api.upwardli.com` (Production, default)
- `https://api-sandbox.upwardli.com` (Sandbox)

## Request

### Path parameters

- `consumer_external_id` (string, required)

### Body (application/json)

This endpoint expects an OpenTradelineInput.

- `tradeline_id` (string, required)
- `is_primary_address` (boolean, optional)
- `lease_start_date` (string, optional)
- `has_other_mortgage_or_rent` (boolean, optional)
- `service_phone` (string, optional, nullable)
- `utility_types` (list of enum, optional, default: []) — List of utility types, e.g., ['ELECTRIC', 'WATER']
  - Allowed values: `WATER`, `ELECTRIC`, `GAS`, `ADDITIONAL`

## Response

### 201

- `any`

## Examples

**Request**

```json
{
  "tradeline_id": "string"
}
```

**SDK Code**

```python
import requests

url = "https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/"

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

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

print(response.json())
```

```javascript
const url = 'https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"tradeline_id":"string"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

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

func main() {

	url := "https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/"

	payload := strings.NewReader("{\n  \"tradeline_id\": \"string\"\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(res)
	fmt.Println(string(body))

}
```

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

url = URI("https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/")

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  \"tradeline_id\": \"string\"\n}"

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

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"tradeline_id\": \"string\"\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/', [
  'body' => '{
  "tradeline_id": "string"
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"tradeline_id\": \"string\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["tradeline_id": "string"] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.upwardli.com/v2/consumers/consumer_external_id/bill-reporting/attestation/")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```