## Table of Contents

- [Delivery and embedding](#delivery-and-embedding)
- [Two delivery models](#two-delivery-models)
- [JSON plus CDN URL](#json-plus-cdn-url)
  - [CLI Microlink API example](#cli-microlink-api-example)
  - [cURL Microlink API example](#curl-microlink-api-example)
  - [JavaScript Microlink API example](#javascript-microlink-api-example)
  - [Python Microlink API example](#python-microlink-api-example)
  - [Ruby Microlink API example](#ruby-microlink-api-example)
  - [PHP Microlink API example](#php-microlink-api-example)
  - [Golang Microlink API example](#golang-microlink-api-example)
- [Direct PDF with embed](#direct-pdf-with-embed)
  - [CLI Microlink API example](#cli-microlink-api-example-1)
  - [cURL Microlink API example](#curl-microlink-api-example-1)
  - [JavaScript Microlink API example](#javascript-microlink-api-example-1)
  - [Python Microlink API example](#python-microlink-api-example-1)
  - [Ruby Microlink API example](#ruby-microlink-api-example-1)
  - [PHP Microlink API example](#php-microlink-api-example-1)
  - [Golang Microlink API example](#golang-microlink-api-example-1)
- [HTML download links](#html-download-links)
- [Embedded PDF previews](#embedded-pdf-previews)
- [Markdown and CMS links](#markdown-and-cms-links)
- [Delivery with customization](#delivery-with-customization)
  - [CLI Microlink API example](#cli-microlink-api-example-2)
  - [cURL Microlink API example](#curl-microlink-api-example-2)
  - [JavaScript Microlink API example](#javascript-microlink-api-example-2)
  - [Python Microlink API example](#python-microlink-api-example-2)
  - [Ruby Microlink API example](#ruby-microlink-api-example-2)
  - [PHP Microlink API example](#php-microlink-api-example-2)
  - [Golang Microlink API example](#golang-microlink-api-example-2)
- [Filtering JSON responses](#filtering-json-responses)
  - [CLI Microlink API example](#cli-microlink-api-example-3)
  - [cURL Microlink API example](#curl-microlink-api-example-3)
  - [JavaScript Microlink API example](#javascript-microlink-api-example-3)
  - [Python Microlink API example](#python-microlink-api-example-3)
  - [Ruby Microlink API example](#ruby-microlink-api-example-3)
  - [PHP Microlink API example](#php-microlink-api-example-3)
  - [Golang Microlink API example](#golang-microlink-api-example-3)
- [Custom filename PRO](#custom-filename-pro)
  - [CLI Microlink API example](#cli-microlink-api-example-4)
  - [cURL Microlink API example](#curl-microlink-api-example-4)
  - [JavaScript Microlink API example](#javascript-microlink-api-example-4)
  - [Python Microlink API example](#python-microlink-api-example-4)
  - [Ruby Microlink API example](#ruby-microlink-api-example-4)
  - [PHP Microlink API example](#php-microlink-api-example-4)
  - [Golang Microlink API example](#golang-microlink-api-example-4)
- [Security considerations](#security-considerations)

---

[](https://microlink.io/docs/api/getting-started/overview)

[API](https://microlink.io/docs/api/getting-started/overview)

[](https://microlink.io/docs/guides)

GUIDES

[](https://microlink.io/docs/mql/getting-started/overview)

MQL

[](https://microlink.io/docs/sdk/getting-started/overview)

SDK

[](https://microlink.io/docs/cards/getting-started/overview)

CARDS

## Delivery and embedding

After a PDF is generated, you can either consume it as JSON or make the API URL return the PDF file directly. The right delivery mode depends on whether you are building an application workflow, a download link, or an embedded PDF preview.

## Two delivery models

| When you need                                   | Use                   | Result                                  |
| ----------------------------------------------- | --------------------- | --------------------------------------- |
| PDF metadata inside an app or backend workflow  | Default JSON response | Read the asset from `data.pdf.url`      |
| A direct PDF response for downloads or previews | `embed: 'pdf.url'`    | The API URL itself returns the PDF file |

## JSON plus CDN URL

The default response gives you PDF metadata plus the CDN-hosted asset URL:

The following examples show how to use the Microlink API with CLI, cURL, JavaScript, Python, Ruby, PHP & Golang, targeting 'https://rauchg.com/2014/7-principles-of-rich-web-applications' URL with 'pdf' & 'meta' API parameters:

### CLI Microlink API example

``` bash
microlink https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf
```

### cURL Microlink API example

``` bash
curl -G "https://api.microlink.io" \
  -d "url=https://rauchg.com/2014/7-principles-of-rich-web-applications" \
  -d "pdf=true" \
  -d "meta=false"
```

### JavaScript Microlink API example

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {
  pdf: true,
  meta: false
})
```

### Python Microlink API example

``` python
import requests

url = "https://api.microlink.io/"

querystring = {
    "url": "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf": "true",
    "meta": "false"
}

response = requests.get(url, params=querystring)

print(response.json())
```

### Ruby Microlink API example

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

base_url = "https://api.microlink.io/"

params = {
  url: "https://rauchg.com/2014/7-principles-of-rich-web-applications",
  pdf: "true",
  meta: "false"
}

uri = URI(base_url)
uri.query = URI.encode_www_form(params)

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

request = Net::HTTP::Get.new(uri)
response = http.request(request)

puts response.body
```

### PHP Microlink API example

``` php
<?php

$baseUrl = "https://api.microlink.io/";

$params = [
    "url" => "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf" => "true",
    "meta" => "false"
];

$query = http_build_query($params);
$url = $baseUrl . '?' . $query;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET"
]);

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

curl_close($curl);

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

### Golang Microlink API example

``` bash
package main

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

func main() {
    baseURL := "https://api.microlink.io"

    u, err := url.Parse(baseURL)
    if err != nil {
        panic(err)
    }
    q := u.Query()
    q.Set("url", "https://rauchg.com/2014/7-principles-of-rich-web-applications")
    q.Set("pdf", "true")
    q.Set("meta", "false")
    u.RawQuery = q.Encode()

    req, err := http.NewRequest("GET", u.String(), nil)
    if err != nil {
        panic(err)
    }

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, err := io.ReadAll(resp.Body)
    if err != nil {
        panic(err)
    }

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

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {

  pdf: true,

  meta: false

})
```

Use `data.pdf.url` when your application already expects JSON and wants to keep the response metadata around.

This is the best fit for backend jobs, queues, notifications, and app code that stores the PDF URL after generation.

## Direct PDF with embed

Set `embed: 'pdf.url'` to make the API URL return the PDF file itself:

The following examples show how to use the Microlink API with CLI, cURL, JavaScript, Python, Ruby, PHP & Golang, targeting 'https://rauchg.com/2014/7-principles-of-rich-web-applications' URL with 'pdf', 'meta' & 'embed' API parameters:

### CLI Microlink API example

``` bash
microlink https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&embed=pdf.url
```

### cURL Microlink API example

``` bash
curl -G "https://api.microlink.io" \
  -d "url=https://rauchg.com/2014/7-principles-of-rich-web-applications" \
  -d "pdf=true" \
  -d "meta=false" \
  -d "embed=pdf.url"
```

### JavaScript Microlink API example

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {
  pdf: true,
  meta: false,
  embed: "pdf.url"
})
```

### Python Microlink API example

``` python
import requests

url = "https://api.microlink.io/"

querystring = {
    "url": "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf": "true",
    "meta": "false",
    "embed": "pdf.url"
}

response = requests.get(url, params=querystring)

print(response.json())
```

### Ruby Microlink API example

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

base_url = "https://api.microlink.io/"

params = {
  url: "https://rauchg.com/2014/7-principles-of-rich-web-applications",
  pdf: "true",
  meta: "false",
  embed: "pdf.url"
}

uri = URI(base_url)
uri.query = URI.encode_www_form(params)

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

request = Net::HTTP::Get.new(uri)
response = http.request(request)

puts response.body
```

### PHP Microlink API example

``` php
<?php

$baseUrl = "https://api.microlink.io/";

$params = [
    "url" => "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf" => "true",
    "meta" => "false",
    "embed" => "pdf.url"
];

$query = http_build_query($params);
$url = $baseUrl . '?' . $query;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET"
]);

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

curl_close($curl);

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

### Golang Microlink API example

``` bash
package main

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

func main() {
    baseURL := "https://api.microlink.io"

    u, err := url.Parse(baseURL)
    if err != nil {
        panic(err)
    }
    q := u.Query()
    q.Set("url", "https://rauchg.com/2014/7-principles-of-rich-web-applications")
    q.Set("pdf", "true")
    q.Set("meta", "false")
    q.Set("embed", "pdf.url")
    u.RawQuery = q.Encode()

    req, err := http.NewRequest("GET", u.String(), nil)
    if err != nil {
        panic(err)
    }

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, err := io.ReadAll(resp.Body)
    if err != nil {
        panic(err)
    }

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

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {

  pdf: true,

  meta: false,

  embed: "pdf.url"

})
```

The API URL becomes a direct PDF URL that can power download links, iframe previews, or embedded viewers.

See the [embed reference](https://microlink.io/docs/api/parameters/embed) for the full behavior and supported fields.

## HTML download links

Use the API URL directly in an anchor element when you want a one-click download:

``` html
[

  Download PDF

](https://api.microlink.io?url=https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&meta=false&embed=pdf.url)
```

This is the simplest way to add on-demand PDF downloads to a product, dashboard, or internal tool.

## Embedded PDF previews

Use the same URL inside an `<iframe>` or `<embed>` element when you want an in-app preview:

``` html
<iframe

  src='https://api.microlink.io?url=https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&meta=false&embed=pdf.url'

  width='100%'

  height='800'

  title='PDF preview'

></iframe>
```

This works well for admin panels, invoice previews, or internal document review flows.

## Markdown and CMS links

Markdown usually links to PDFs rather than rendering them inline:

``` md
[Download the PDF](https://api.microlink.io?url=https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&meta=false&embed=pdf.url)
```

## Delivery with customization

All PDF parameters still work when you use `embed`. For example, a letter-sized PDF with margins:

The following examples show how to use the Microlink API with CLI, cURL, JavaScript, Python, Ruby, PHP & Golang, targeting 'https://rauchg.com/2014/7-principles-of-rich-web-applications' URL with 'pdf', 'meta' & 'embed' API parameters:

### CLI Microlink API example

``` bash
microlink https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf.format=Letter&pdf.margin=1cm&embed=pdf.url
```

### cURL Microlink API example

``` bash
curl -G "https://api.microlink.io" \
  -d "url=https://rauchg.com/2014/7-principles-of-rich-web-applications" \
  -d "pdf.format=Letter" \
  -d "pdf.margin=1cm" \
  -d "meta=false" \
  -d "embed=pdf.url"
```

### JavaScript Microlink API example

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {
  pdf: {
    format: "Letter",
    margin: "1cm"
  },
  meta: false,
  embed: "pdf.url"
})
```

### Python Microlink API example

``` python
import requests

url = "https://api.microlink.io/"

querystring = {
    "url": "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf.format": "Letter",
    "pdf.margin": "1cm",
    "meta": "false",
    "embed": "pdf.url"
}

response = requests.get(url, params=querystring)

print(response.json())
```

### Ruby Microlink API example

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

base_url = "https://api.microlink.io/"

params = {
  url: "https://rauchg.com/2014/7-principles-of-rich-web-applications",
  pdf.format: "Letter",
  pdf.margin: "1cm",
  meta: "false",
  embed: "pdf.url"
}

uri = URI(base_url)
uri.query = URI.encode_www_form(params)

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

request = Net::HTTP::Get.new(uri)
response = http.request(request)

puts response.body
```

### PHP Microlink API example

``` php
<?php

$baseUrl = "https://api.microlink.io/";

$params = [
    "url" => "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf.format" => "Letter",
    "pdf.margin" => "1cm",
    "meta" => "false",
    "embed" => "pdf.url"
];

$query = http_build_query($params);
$url = $baseUrl . '?' . $query;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET"
]);

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

curl_close($curl);

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

### Golang Microlink API example

``` bash
package main

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

func main() {
    baseURL := "https://api.microlink.io"

    u, err := url.Parse(baseURL)
    if err != nil {
        panic(err)
    }
    q := u.Query()
    q.Set("url", "https://rauchg.com/2014/7-principles-of-rich-web-applications")
    q.Set("pdf.format", "Letter")
    q.Set("pdf.margin", "1cm")
    q.Set("meta", "false")
    q.Set("embed", "pdf.url")
    u.RawQuery = q.Encode()

    req, err := http.NewRequest("GET", u.String(), nil)
    if err != nil {
        panic(err)
    }

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, err := io.ReadAll(resp.Body)
    if err != nil {
        panic(err)
    }

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

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {

  pdf: {

    format: "Letter",

    margin: "1cm"

  },

  meta: false,

  embed: "pdf.url"

})
```

Customize the final PDF and return it directly in a single URL.

## Filtering JSON responses

If you still want JSON but only need the `pdf` field, use `filter`:

The following examples show how to use the Microlink API with CLI, cURL, JavaScript, Python, Ruby, PHP & Golang, targeting 'https://rauchg.com/2014/7-principles-of-rich-web-applications' URL with 'pdf', 'meta' & 'filter' API parameters:

### CLI Microlink API example

``` bash
microlink https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&filter=pdf
```

### cURL Microlink API example

``` bash
curl -G "https://api.microlink.io" \
  -d "url=https://rauchg.com/2014/7-principles-of-rich-web-applications" \
  -d "pdf=true" \
  -d "meta=false" \
  -d "filter=pdf"
```

### JavaScript Microlink API example

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {
  pdf: true,
  meta: false,
  filter: "pdf"
})
```

### Python Microlink API example

``` python
import requests

url = "https://api.microlink.io/"

querystring = {
    "url": "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf": "true",
    "meta": "false",
    "filter": "pdf"
}

response = requests.get(url, params=querystring)

print(response.json())
```

### Ruby Microlink API example

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

base_url = "https://api.microlink.io/"

params = {
  url: "https://rauchg.com/2014/7-principles-of-rich-web-applications",
  pdf: "true",
  meta: "false",
  filter: "pdf"
}

uri = URI(base_url)
uri.query = URI.encode_www_form(params)

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

request = Net::HTTP::Get.new(uri)
response = http.request(request)

puts response.body
```

### PHP Microlink API example

``` php
<?php

$baseUrl = "https://api.microlink.io/";

$params = [
    "url" => "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf" => "true",
    "meta" => "false",
    "filter" => "pdf"
];

$query = http_build_query($params);
$url = $baseUrl . '?' . $query;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET"
]);

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

curl_close($curl);

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

### Golang Microlink API example

``` bash
package main

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

func main() {
    baseURL := "https://api.microlink.io"

    u, err := url.Parse(baseURL)
    if err != nil {
        panic(err)
    }
    q := u.Query()
    q.Set("url", "https://rauchg.com/2014/7-principles-of-rich-web-applications")
    q.Set("pdf", "true")
    q.Set("meta", "false")
    q.Set("filter", "pdf")
    u.RawQuery = q.Encode()

    req, err := http.NewRequest("GET", u.String(), nil)
    if err != nil {
        panic(err)
    }

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, err := io.ReadAll(resp.Body)
    if err != nil {
        panic(err)
    }

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

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {

  pdf: true,

  meta: false,

  filter: "pdf"

})
```

The response only includes the `pdf` field. This is useful for JSON workflows, but unnecessary when you already use `embed`.

See the [filter reference](https://microlink.io/docs/api/parameters/filter) for dot notation and multiple fields.

## Custom filename PRO

Use `filename` when the generated asset needs a readable, user-facing name:

The following examples show how to use the Microlink API with CLI, cURL, JavaScript, Python, Ruby, PHP & Golang, targeting 'https://rauchg.com/2014/7-principles-of-rich-web-applications' URL with 'pdf', 'meta' & 'filename' API parameters:

### CLI Microlink API example

``` bash
microlink https://rauchg.com/2014/7-principles-of-rich-web-applications&pdf&filename=rich-web-applications
```

### cURL Microlink API example

``` bash
curl -G "https://api.microlink.io" \
  -d "url=https://rauchg.com/2014/7-principles-of-rich-web-applications" \
  -d "pdf=true" \
  -d "meta=false" \
  -d "filename=rich-web-applications"
```

### JavaScript Microlink API example

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {
  pdf: true,
  meta: false,
  filename: "rich-web-applications"
})
```

### Python Microlink API example

``` python
import requests

url = "https://api.microlink.io/"

querystring = {
    "url": "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf": "true",
    "meta": "false",
    "filename": "rich-web-applications"
}

response = requests.get(url, params=querystring)

print(response.json())
```

### Ruby Microlink API example

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

base_url = "https://api.microlink.io/"

params = {
  url: "https://rauchg.com/2014/7-principles-of-rich-web-applications",
  pdf: "true",
  meta: "false",
  filename: "rich-web-applications"
}

uri = URI(base_url)
uri.query = URI.encode_www_form(params)

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

request = Net::HTTP::Get.new(uri)
response = http.request(request)

puts response.body
```

### PHP Microlink API example

``` php
<?php

$baseUrl = "https://api.microlink.io/";

$params = [
    "url" => "https://rauchg.com/2014/7-principles-of-rich-web-applications",
    "pdf" => "true",
    "meta" => "false",
    "filename" => "rich-web-applications"
];

$query = http_build_query($params);
$url = $baseUrl . '?' . $query;

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING => "",
    CURLOPT_MAXREDIRS => 10,
    CURLOPT_TIMEOUT => 30,
    CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
    CURLOPT_CUSTOMREQUEST => "GET"
]);

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

curl_close($curl);

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

### Golang Microlink API example

``` bash
package main

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

func main() {
    baseURL := "https://api.microlink.io"

    u, err := url.Parse(baseURL)
    if err != nil {
        panic(err)
    }
    q := u.Query()
    q.Set("url", "https://rauchg.com/2014/7-principles-of-rich-web-applications")
    q.Set("pdf", "true")
    q.Set("meta", "false")
    q.Set("filename", "rich-web-applications")
    u.RawQuery = q.Encode()

    req, err := http.NewRequest("GET", u.String(), nil)
    if err != nil {
        panic(err)
    }

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, err := io.ReadAll(resp.Body)
    if err != nil {
        panic(err)
    }

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

``` javascript
import mql from '@microlink/mql'

const { data } = await mql('https://rauchg.com/2014/7-principles-of-rich-web-applications', {

  pdf: true,

  meta: false,

  filename: "rich-web-applications"

})
```

Helpful for downloads, archives, generated reports, and user-visible document workflows.

## Security considerations

If the request needs an API key, cookies, or authorization headers, do not expose those values in client-side download or preview URLs. Keep the request on the server side or protect it with a proxy:

- Use [](https://github.com/microlinkhq/proxy)

  @microlink/proxy

  for self-hosted protection.

- Use [](https://github.com/microlinkhq/edge-proxy)

  @microlink/edge-proxy

  for edge-deployed protection.

Read more in the [authentication](https://microlink.io/docs/api/basics/authentication) docs and the [private pages](https://microlink.io/docs/guides/pdf/private-pages) guide.

Learn how to optimize PDF requests for freshness, cache behavior, and response time in [caching and performance](https://microlink.io/docs/guides/pdf/caching-and-performance).