> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/bulk/approve/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.mercoa.com/_mcp/server.

# Approve Bulk Invoices (Sync)

POST https://api.mercoa.com/invoices/approve
Content-Type: application/json

Approve multiple invoices in bulk. This endpoint will process synchronously and return a list of invoices that were approved or failed to approve.

Reference: https://docs.mercoa.com/embedded-ap-ar/api-reference/invoice/bulk/approve

## Authentication

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

## Request

### Query parameters

- `emitWebhooks` (boolean, optional, default: false) — If true, webhooks will be emitted for each invoice that is approved. By default, webhooks are not emitted.

### Body (application/json)

This endpoint expects a BulkInvoiceApprovalRequest.

- `invoices` (list of ApprovalRequestWithId, required)

## Response

### 200

- `data` (list of BulkInvoiceApprovalFromObjectResponse, required)

## Errors

### 400 Bad Request

- `errorName` ("BadRequest", required)
- `content` (string, required)

### 401 Unauthorized

- `errorName` ("Unauthorized", required)
- `content` (string, required)

### 403 Forbidden

- `errorName` ("Forbidden", required)
- `content` (string, required)

### 404 Not Found

- `errorName` ("NotFound", required)
- `content` (string, required)

### 409 Conflict

- `errorName` ("Conflict", required)
- `content` (string, required)

### 500 Internal Server Error

- `errorName` ("InternalServerError", required)
- `content` (string, required)

### 501 Unimplemented

- `errorName` ("Unimplemented", required)
- `content` (string, required)

## Types

### ApprovalRequestWithId

- `invoiceId` (string, required) — The ID or foreign ID of the invoice to approve
- `userId` (string, required) — The ID or the Foreign ID of the user
- `text` (string, optional) — Comment associated with this approval action.

### BulkInvoiceApprovalFromObjectResponse

- `id` (string, optional) — The ID of the invoice that was approved. If the invoice was not approved, this will be undefined
- `foreignId` (string, optional) — If provided, this is the foreign ID of the invoice that was approved.
- `error` (string, optional) — The error message if the invoice was not approved

## Examples

**Request**

```json
{
  "invoices": [
    {
      "invoiceId": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
      "userId": "user_e24fc81c-c5ee-47e8-af42-4fe29d895506",
      "text": "This is a reason for my action"
    }
  ]
}
```

**Response**

```json
{
  "data": [
    {
      "id": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9"
    },
    {
      "id": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
      "error": "Invoice approval failed"
    }
  ]
}
```

**SDK Code**

```python FromObjects
import requests

url = "https://api.mercoa.com/invoices/approve"

payload = { "invoices": [
        {
            "invoiceId": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
            "userId": "user_e24fc81c-c5ee-47e8-af42-4fe29d895506",
            "text": "This is a reason for my action"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```typescript FromObjects
import { MercoaClient } from "@mercoa/javascript";

const client = new MercoaClient({ token: "YOUR_TOKEN" });
await client.invoice.bulk.approve({
    body: {
        invoices: [{
                invoiceId: "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
                text: "This is a reason for my action",
                userId: "user_e24fc81c-c5ee-47e8-af42-4fe29d895506"
            }]
    }
});

```

```go FromObjects
package main

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

func main() {

	url := "https://api.mercoa.com/invoices/approve"

	payload := strings.NewReader("{\n  \"invoices\": [\n    {\n      \"invoiceId\": \"in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9\",\n      \"userId\": \"user_e24fc81c-c5ee-47e8-af42-4fe29d895506\",\n      \"text\": \"This is a reason for my action\"\n    }\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(res)
	fmt.Println(string(body))

}
```

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

url = URI("https://api.mercoa.com/invoices/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  \"invoices\": [\n    {\n      \"invoiceId\": \"in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9\",\n      \"userId\": \"user_e24fc81c-c5ee-47e8-af42-4fe29d895506\",\n      \"text\": \"This is a reason for my action\"\n    }\n  ]\n}"

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

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

HttpResponse<String> response = Unirest.post("https://api.mercoa.com/invoices/approve")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"invoices\": [\n    {\n      \"invoiceId\": \"in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9\",\n      \"userId\": \"user_e24fc81c-c5ee-47e8-af42-4fe29d895506\",\n      \"text\": \"This is a reason for my action\"\n    }\n  ]\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.mercoa.com/invoices/approve', [
  'body' => '{
  "invoices": [
    {
      "invoiceId": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
      "userId": "user_e24fc81c-c5ee-47e8-af42-4fe29d895506",
      "text": "This is a reason for my action"
    }
  ]
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp FromObjects
using RestSharp;

var client = new RestClient("https://api.mercoa.com/invoices/approve");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"invoices\": [\n    {\n      \"invoiceId\": \"in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9\",\n      \"userId\": \"user_e24fc81c-c5ee-47e8-af42-4fe29d895506\",\n      \"text\": \"This is a reason for my action\"\n    }\n  ]\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift FromObjects
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["invoices": [
    [
      "invoiceId": "in_26e7b5d3-a739-4b23-9ad9-6aaa085f47a9",
      "userId": "user_e24fc81c-c5ee-47e8-af42-4fe29d895506",
      "text": "This is a reason for my action"
    ]
  ]] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.mercoa.com/invoices/approve")! 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()
```