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> For a complete documentation index, see https://mailchimp.com/developer/transactional/api/tags/info/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mailchimp.com/_mcp/server.

# Get tag info

POST https://mandrillapp.com/api/1.4/tags/info
Content-Type: application/json

Return more detailed information about a single tag, including aggregates of recent stats

Reference: https://mailchimp.com/developer/transactional/api/tags/info

## Request

### Body (application/json)

This endpoint expects a TagsInfoRequest.

- `key` (string, required) — A valid Mandrill API key
- `tag` (string, required) — An existing tag name

## Response

### 200

Success

- `tag` (string, required) — Tag name
- `sent` (integer, required) — Total number of emails sent with this tag
- `hard_bounces` (integer, required) — Total number of hard bounces for emails with this tag
- `soft_bounces` (integer, required) — Total number of soft bounces for emails with this tag
- `rejects` (integer, required) — Total number of rejected emails with this tag
- `complaints` (integer, required) — Total number of spam complaints for emails with this tag
- `unsubs` (integer, required) — Total number of unsubscribe requests for emails with this tag
- `opens` (integer, required) — Total number of times emails with this tag have been opened
- `clicks` (integer, required) — Total number of tracked URLs clicked in emails with this tag
- `unique_opens` (integer, required) — Total number of unique opens for emails with this tag
- `unique_clicks` (integer, required) — Total number of unique clicks for emails with this tag
- `reputation` (integer, required) — Tag reputation score on scale 0-100
- `stats` (TagsInfoResponseStats, required) — Aggregate summary of the tag's sending stats across different time windows

## Errors

### 400 Bad Request Error

Invalid tag name

- `status` (string, required) — Status of the response, typically "error"
- `code` (integer, required) — Numeric error code
- `name` (string, required) — Machine-friendly error name
- `message` (string, required) — Human-readable error message

### 401 Unauthorized Error

Invalid or missing API key.

- `status` (string, required) — Status of the response, typically "error"
- `code` (enum, required) — Numeric error code
  - Allowed values: `401`
- `name` (enum, required) — Machine-friendly error name
  - Allowed values: `Invalid_Key`
- `message` (string, required) — Human-readable error message

### 500 Internal Server Error

An unexpected internal server error occurred.

- `status` (string, required) — Status of the response, typically "error"
- `code` (integer, required) — Numeric error code
- `name` (string, required) — Machine-friendly error name
- `message` (string, required) — Human-readable error message

## Types

### TagsInfoResponseStats

Aggregate summary of the tag's sending stats across different time windows

- `today` (StatsWindow, required) — Aggregate sending statistics for a time window
- `last_7_days` (StatsWindow, required) — Aggregate sending statistics for a time window
- `last_30_days` (StatsWindow, required) — Aggregate sending statistics for a time window
- `last_60_days` (StatsWindow, required) — Aggregate sending statistics for a time window
- `last_90_days` (StatsWindow, required) — Aggregate sending statistics for a time window

### StatsWindow

Aggregate sending statistics for a time window

- `sent` (integer, optional) — Number of emails sent
- `hard_bounces` (integer, optional) — Number of emails that hard bounced
- `soft_bounces` (integer, optional) — Number of emails that soft bounced
- `rejects` (integer, optional) — Number of emails rejected
- `complaints` (integer, optional) — Number of spam complaints
- `unsubs` (integer, optional) — Number of unsubscribe requests
- `opens` (integer, optional) — Number of times emails were opened
- `unique_opens` (integer, optional) — Number of unique opens
- `clicks` (integer, optional) — Number of tracked URL clicks
- `unique_clicks` (integer, optional) — Number of unique clicks

## Examples

**Request**

```json
{
  "key": "ONzNrsmbtNXoIKyfPmjnig",
  "tag": "example-tag"
}
```

**Response**

```json
{
  "tag": "test",
  "sent": 1,
  "hard_bounces": 1,
  "soft_bounces": 1,
  "rejects": 1,
  "complaints": 1,
  "unsubs": 1,
  "opens": 1,
  "clicks": 1,
  "unique_opens": 1,
  "unique_clicks": 1,
  "reputation": 1,
  "stats": {
    "today": {
      "sent": 1,
      "hard_bounces": 1,
      "soft_bounces": 1,
      "rejects": 1,
      "complaints": 1,
      "unsubs": 1,
      "opens": 1,
      "unique_opens": 1,
      "clicks": 1,
      "unique_clicks": 1
    },
    "last_7_days": {
      "sent": 1,
      "hard_bounces": 1,
      "soft_bounces": 1,
      "rejects": 1,
      "complaints": 1,
      "unsubs": 1,
      "opens": 1,
      "unique_opens": 1,
      "clicks": 1,
      "unique_clicks": 1
    },
    "last_30_days": {
      "sent": 1,
      "hard_bounces": 1,
      "soft_bounces": 1,
      "rejects": 1,
      "complaints": 1,
      "unsubs": 1,
      "opens": 1,
      "unique_opens": 1,
      "clicks": 1,
      "unique_clicks": 1
    },
    "last_60_days": {
      "sent": 1,
      "hard_bounces": 1,
      "soft_bounces": 1,
      "rejects": 1,
      "complaints": 1,
      "unsubs": 1,
      "opens": 1,
      "unique_opens": 1,
      "clicks": 1,
      "unique_clicks": 1
    },
    "last_90_days": {
      "sent": 1,
      "hard_bounces": 1,
      "soft_bounces": 1,
      "rejects": 1,
      "complaints": 1,
      "unsubs": 1,
      "opens": 1,
      "unique_opens": 1,
      "clicks": 1,
      "unique_clicks": 1
    }
  }
}
```

**SDK Code**

```python
import requests

url = "https://mandrillapp.com/api/1.4/tags/info"

payload = {
    "key": "ONzNrsmbtNXoIKyfPmjnig",
    "tag": "example-tag"
}
headers = {"Content-Type": "application/json"}

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

print(response.json())
```

```javascript
const url = 'https://mandrillapp.com/api/1.4/tags/info';
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: '{"key":"ONzNrsmbtNXoIKyfPmjnig","tag":"example-tag"}'
};

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://mandrillapp.com/api/1.4/tags/info"

	payload := strings.NewReader("{\n  \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n  \"tag\": \"example-tag\"\n}")

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

	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://mandrillapp.com/api/1.4/tags/info")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n  \"tag\": \"example-tag\"\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://mandrillapp.com/api/1.4/tags/info")
  .header("Content-Type", "application/json")
  .body("{\n  \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n  \"tag\": \"example-tag\"\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://mandrillapp.com/api/1.4/tags/info', [
  'body' => '{
  "key": "ONzNrsmbtNXoIKyfPmjnig",
  "tag": "example-tag"
}',
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://mandrillapp.com/api/1.4/tags/info");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n  \"tag\": \"example-tag\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Content-Type": "application/json"]
let parameters = [
  "key": "ONzNrsmbtNXoIKyfPmjnig",
  "tag": "example-tag"
] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://mandrillapp.com/api/1.4/tags/info")! 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()
```

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