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Relative references are not suitable for emails because the absolute path will be of the URL where the email is opened. Not the absolute path of where image is stored.

Converting Relative URLS

Keep your email marketing campaigns in tip-top shape with Campaign Cleaner.

Campaign Cleaner

Email Campaign Analysis provides a powerful tool for email marketers to analyze and optimize their HTML code.

Campaign Analysis

Improve the performance and deliverability of your email campaigns with Campaign Cleaner Settings. Our comprehensive tool offers multiple sections to scan your email campaigns and identify any potential issues with your content, links, images, and CDNs.

Settings

Keep track of your previous email campaign optimizations with saved campaigns.

Saved Campaigns

Submitting campaigns through email to Campaign Cleaner is a simple and convenient way to optimize your email campaigns.

Import Campaigns

Use Campaign Cleaner to send test emails and refine your campaign for maximum impact and deliverability.

Send Previews

Optimize your email's preheader text for clarity and engagement, ensuring your message makes an impact from the first glance.

Preheader Management

Improve your email inboxing rates by adjusting font colors.

Font Color Adjustments

Prevent your emails from getting flagged as spam with spam trigger detection. Identify and eliminate content that triggers spam filters. Boost email deliverability now.

AI Spam Keyword Detection

SpamAssassin is a widely-used open-source software utility that evaluates and filters email to identify spam, also known as junk or unsolicited bulk email.

SpamAssassin Score

Preview Your Email Campaigns in the Inbox Across All Popular Devices and Clients!.

Email Client Inbox Previews

Blacklist Link Recursion Checking helps to avoid having your email flagged as spam by checking if any of the links in your email have been blacklisted. By detecting these links, you can remove them and improve your email deliverability.

Blacklisted Link Checker

Enforcing min and max font size in email can improve deliverability and accessibility.

Font Size Enforcement

Improve email deliverability with Oversized Image Detection. Detect and resize large images to prevent slow loading, broken layouts, and spam filtering.

Oversized Images

Optimize your email campaign performance with Campaign Cleaner's image resizing and hosting services—ensure fast loading times and perfect display across all devices

Resize and Host

Ensure your email campaigns are running smoothly with our broken link checker tool. Scan all links in your emails and quickly identify any broken links or redirects, ensuring a seamless experience for your subscribers.

Link Summary

Learn why Alt and Title attributes are necessary in email and how they can improve the accessibility and deliverability of your email content.

Alt and Title Attribute Management

HTML sanitizing is the process of cleaning up and validating HTML code to remove any potentially malicious or harmful elements. This can help prevent security vulnerabilities and ensure that web content is safe for users to access.

HTML Sanitizer

HTML Minifier is a tool that removes unnecessary characters and optimizes HTML code, reducing its size and improving its loading time. 

HTML Minifier

Learn how wrapping your email campaign in a surrounding div container and applying default CSS styles can make your offer stand out to readers and give you more control over its appearance.

Surrounding HTML Div

Spam filters often regard unsecured links with suspicion, potentially perceiving your email as a security risk.

Unsecured Links

Learn about the limitations of different image types emails and discover why they are often unsupported across various email clients, affecting your campaign's visual impact.

Unsupported Image Detection

Improve email deliverability and avoid spam filters by replacing non-ASCII characters with their ASCII equivalents.

Non-ASCII Character Replacement

HTML entities in emails is a good practice to avoid display inconsistencies, rendering issues, and potential security risks, ensuring that your content appears as intended regardless of the email client used.

HTML Entities

In email marketing, paying attention to details such as punctuation, capitalization, and proper use of H tags can make a big difference in the effectiveness of your campaigns..

Punctuation, Caps, and H Tags

Removing HTML comments from emails can improve email deliverability, reduce email file size, and enhance email security.

HTML Comment Removal

CSS Inlining is a technique used in email marketing to boost delivery rates by embedding CSS styles directly into the HTML code.

CSS Inliner

Improve email deliverability and rendering consistency by removing inherited CSS from your HTML emails. Optimize your email design and avoid display issues across different clients and devices.

Inherited CSS Removal

Removing unnecessary classes and IDs in email delivery can reduce file size and load time, improving deliverability and open rates. Optimizing HTML code is crucial for successful email marketing.

Classes and ID Removal

Converting H tags to P tags in email is crucial because many email clients, including Gmail and Yahoo, strip out the styles associated with H tags.

H to P Tag Conversion

Control and non-printable character removal is the process of removing non-printable characters from a text document.

Control and Non-Printable Characters

HTML fragments in email refer to sections of HTML code that can be reused across multiple email campaigns. This practice saves time and improves consistency, making it easier to manage and maintain email campaigns.

HTML Fragments

Replace accented characters with their plain ASCII equivalent to ensure compatibility across email clients and avoid spam filters.

Diacritics Character Replacement

Convert HTML tables to DIVS to improve email rendering and accessibility. This technique can improve deliverability, readability, and compatibility across newer email clients and devices.

Tables to Divs Conversion

Improve your email deliverability with background image detection.

Background Image Detection

Text-To-Image Analysis in email detects images containing text, increasing accessibility and inbox placement. Optimize your campaigns with Campaign Cleaner.

Text to Image Analysis

Improve email deliverability with text-to-link analysis. Learn how to optimize your emails by identifying and reducing excessive links.

Text to Link Analysis

Improve email deliverability with Poor Delivery CDN detection. Learn how identifying and removing poor CDNs from your email campaigns can prevent inboxing issues

Poor Delivery CDN Detection

Learn about the importance of setting the max-width of images in email design for a better user experience, improved performance, and avoiding display issues across different email clients and devices.

Set Max-Width of Images

Convert CSS Attributes To Style

 Find out why height attributes can cause rendering issues and how removing them can help ensure consistent rendering across devices.

Height Attribute Removal

Removing large width attributes on elements other than images and tables in your HTML email can improve email performance and deliverability.

Large Width Removal

Discover the power of Campaign Cleaner API integration, your ultimate solution for streamlining and optimizing your marketing campaigns.

All Integrations

Explore Campaign Cleaner's API page to unlock the full potential of your email marketing campaigns.

API Information

Enhance your email marketing campaigns with our advanced API Management solution. Seamlessly integrate, manage and optimize your APIs to deliver personalized email content, automate campaigns, and monitor results.

API Management

Boost your email campaign performance with our CDN Management Tools for email images - ensure faster loading times, improved reliability, and higher open rates

CDN Management

Effectively manage your users with Campaign Cleaner. Gain control over user permissions, roles, and settings, ensuring efficient team collaboration and security. Our intuitive user management platform streamlines email campaign optimization processes.

Manage Users

Discover comprehensive security measures, easy-to-follow guidelines, and advanced tools to safeguard your account against unauthorized access. Stay ahead of threats with our robust security protocols designed to protect your information.

Securing Your Account

HTTP Response Status Codes

Embedded images in emails can also be included as attachments rather than being directly encoded in the HTML body. This approach involves attaching the image to the email and then referencing it within the HTML content using a Content-ID (CID)

Embedded Images

Things to be aware of when using Campaign Cleaner

Quirks

This dedicated section provides detailed insights into our terms of service, privacy policy, user agreements, and other essential legal documents. Stay informed about your rights and responsibilities as a user, understanding how we protect your data and respect your privacy. Essential reading for a secure and informed user experience on our platform.

Legal Policies

Campaign Cleaner LLC is committed to protecting and respecting your privacy. This policy sets out the basis on which any personal data we collect from you, or that you provide to us, will be processed by us.

Privacy Policy

Welcome to Campaign Cleaner LLC. These Terms of Use (“Terms”) apply to your use of the Campaign Cleaner website and software (collectively, the “Service”). By accessing or using the Service, you agree to be bound by these Terms, as well as our Privacy Policy, which is incorporated by reference into these Terms.

Terms of Use

Campaign Cleaner LLC ("we", "us", "our") is committed to safeguarding the privacy of our users ("you", "your"). We comply with the EU General Data Protection Regulation (GDPR), ensuring the highest standards of data protection.

GDPR Policy and Commitment

Stay informed about your rights under the California Consumer Privacy Act (CCPA). Our dedicated CCPA page provides an in-depth overview of how this important legislation impacts you, detailing your rights to access, control, and delete personal information collected by businesses. Understand how we comply with CCPA guidelines to ensure your data privacy and security. Empowering California residents with knowledge and control over their personal information.

California Consumer Privacy Act (CCPA)

Explore our Acceptable Use Policy to understand the guidelines that ensure a safe and respectful digital environment. This policy outlines the responsible use of our services and the standards for user behavior. Stay informed about the dos and don'ts to maintain a positive and secure experience for all users. Our commitment to fostering a respectful community hinges on adherence to these essential principles.

Acceptable Use Policy

Campaign Cleaner LLC ("we", "us", "our") uses a range of third-party subprocessors to assist in providing our services. A subprocessor is a third-party data processor engaged by Campaign Cleaner, who has or potentially will have access to or process service data (which may contain personal data).

Subprocessors

We are prepared to finalize the Data Processing Addendum (DPA) with our customers as mandated by the European Union General Data Protection Regulation (GDPR).

Data Processing Addendum

Campaign Cleaner LLC  ("we", "us", "our"), along with our third-party service providers, utilizes various technologies, including cookies and web beacons, to collect information. For more details, please refer to our [Privacy Policy](/legal-and-compliance/privacy-policy). This document outlines our use of cookies.

Cookies Policy

API Documentation

The **delete_campaign** API endpoint allows you to delete any of the campaigns in your saved campaigns in [Campaign Cleaner](https://campaigncleaner.com).

#### Request Body:

**campaign**:

- **id**: The campaign id that will be deleted.
 

#### Response:

- **status**: _success_ or _failure,_ failures can occur when the **campaign_id** doesn't exists or was deleted.
 

In the event of an error, you will get an "**error**:" response, with a description of the reason.

Delete Campaign

The **get_campaign_list** API endpoint allows you to get the status of all the campaigns you have saved on [Campaign Cleaner](https://campaigncleaner.com).

#### Response:

**campaign_list**:

- **id**: The campaign id that will be used in other API calls.
- **campaign_name**: The name of the campaign.
- **status**: The status will be either _processing_, _completed_, or _paused_
- **date_added**: The date and time your campaign was saved or submitted to Campaign Cleaner.
 

If the **status** is _completed_, you will be able to retrieve the campaign via the **get_campaign** API

In the event of an error, you will get an "**error**:" response, with a description of the reason

Get Campaign List

After submitting a campaign to be corrected and analyzed it can take up to a minute to finalize the results. You can check the status of your campaign with the **check_campaign_status** API. When you see a 'completed' status, you can call the **get_campaign** API to retrieve the results.

#### Request Body:

**campaign**:

- **id**: The campaign id that will be used in other API calls.
 

#### Response:

**campaign_list**:

- **id**: The campaign id that will be used in other API calls.
- **campaign_name**: The name of the campaign.
- **status**: The status will be either _processing_, _completed_, or _paused_
- **date_added**: The date and time your campaign was saved or submitted to [Campaign Cleaner](https://campaigncleaner.com).
 

If the **status** is _completed_, you will be able to retrieve the campaign via the **get_campaign** API

In the event of an error, you will get an "**error**:" response, with a description of the reason

Get Campaign Status

The **get_campaign** API allows you to retrieve any of your Saved Campaigns in [Campaign Cleaner](https://campaigncleaner.com). The response below is a real example of a newsletter that "Postman" sent us, overall it's a pretty good newsletter with a few issues, mainly image size and a couple of broken links.

#### Request Body:
_Required:_
**campaign**:

- **id**: The campaign id that will be used in other API calls.
 


_Optional:_
**campaign**:
- **minimize_html**: (true/false) If true (default), removes all whitespace, tabs, etc. Condensing the HTML.
#### Response:

**campaign:**

- **adjust_font_colors**: (true/false), If true, certain bright colors are spam triggers, like "**red**" or "**#FF0000**", was adjusted to a slightly different color like "**#FF0101"**, it will look the same, but won't trigger some spam filters.
- **adjust_font_size**: (true/false) If true, The min and max font size defined below in pixels were applied. If your newsletter contains larger or small font's it was adjusted to the min/max you define.
- **all_capitalized_word_ratio**: (double) The ratio of all capitalized words to total words in your campaign.
- **all_capitalized_words**: (integer) The number of capitalized words found in your campaign.
- **all_capitalized_word_max_acceptable_ratio**: (double) The max acceptable ratio of all capitalize words to total words in your campaign.
- **all_link_list:** (list of links) All the links found in the campaign (images, text, etc.)
   - **link_url**: (string) The URL or location of the broken link.
   - **link_status**: (string) The status code of the link, please view the status guide below.
   - **link_redirected_url**: (string) The location of where the link was redirected to, empty string, if it wasn't redirected.
   - **link_is_image**: (true/false) True, if the link is used as an image.
   - **link_is_broken**: (true/false) True, if the link was non-functional at the time of the scan.
   - **link_initial**: (true/false) True, if the link was the initial link in the campaign, not an intermediate or final link, if redirected.
   - **link_count**: (integer) The number of times this link was found.
   - **link_secure:** (true/false) true, if the link is HTTPS.
   - **link_tel:** (true/false) true, if the link is tel:
   - **link_mailto:** (true/false) tru, if the link is mailto:
- **bg_images_found**: (integer) The number of background images found, some major email clients don't support background images.
- **bg_image_list**: (List of images) All the background images found
  - **image_url**: (string) The URL of where the image is located.
  - **image_size** (long) The size of the image in Kilobytes (KB)
  - **image_width**: (integer) The width of the image.
  - **image_height**: (integer) The height of the image.
  - **image_rendered_width**: (integer) The rendered width of the image.
  - **image_rendered_height**: (integer) The rendered height of the image.
  - **image_background**: (true/false) Will always be true, since this is a background image.
  - **image_type**: (Integer) 1=png, 2=jpeg, 3=gif, 4=bmp, 5=svg, 6=avif, 7=tif, 8=webp, 9=apng, 10=heic, 11=icon, 12=base64, -1=Unknown
- **blacklisted_links**: (list of blacklisted links) Links that are on blacklists and their properties.
  - **bl_url**: (string) The web address where the blacklist is located.
  - **bl_name**: (string) The name of the blacklist
  - **link_url**: (string) The link in the campaign that is on a blacklist, can be a redirected link.
- **blacklisted_links_found**: (integer) The total number of blacklisted links found.
- **broken_links**: (list of links) All the broken links found in the campaign.
  - **link_url**: (string) The URL or location of the broken link.
  - **link_status**: (string) The reason why the link was considered broken, please view the status guide below.
  - **link_redirected_url**: (string) The location of where the link was redirected to, empty string, if it wasn't redirected.
  - **link_is_image**: (true/false) true, if the link is used as an image.
  - **link_is_broken**: (true/false) true, if the link was non-functional at the time of the scan.
  - **link_initial**: (true/false) true, if the link was the initial link in the campaign, not an intermediate or final link, if redirected.
  - **link_count**: (integer) The number of times this link was found.
  - **link_secure:** (true/false) true, if the link is HTTPS.
  - **link_tel:** (true/false) true, if the link is tel:
  - **link_mailto:** (true/false) tru, if the link is mailto:
- **campaign_id**: The campaign id that will be used in other API calls.
- **campaign_html:** (string) The adjusted HTML of the campaign, with all the fixes that were selected.
- **campaign_name**: (string) The name the campaign was saved with.
- **campaign_summary**: (list of messages) A quick summary of some of the changes that were applied and some analysis highlights.
 - **apply_count**: (true/false) If true, the count column apples to the message as the number of occurrences found. If false, the count will be zero, and the message is a statement of what happened.
 - **count**: (integer) The total occurrences that was found or corrected.
 - **html_changed**: (true/false) Indicates if the Campaign HTML was changed to correct the issue.
 - **message**: (string) The change or analysis that took place that indicating something change or something should be looked into further.
- **convert_h_to_p_tags**: (true/false) If true, this will change all the H tags to P tags and set the correct font-size.
- **convert_tables_to_divs:** (true/false) **\-** This is an experimental feature to convert all the tables to divs, in certain instances with a complicated table structure you might need to edit the HTML. We recommend leaving this as false or not setting it.
- **custom_info**: The values you passed us when calling the **send_campaign** API
- **domains_scanned**: (array of strings) The domains that were scanned at different blacklists.
- **header_tags_count**: (integer) The number of header tags found in the campaign, header tags displays are not consistent across email clients, use "**div**" or "**p**" tags styled correctly instead.
- **host_extensionless_images:** (true/**false**) If true, images without extensions will be hosted on our CDN when the **resize_and_host** parameter is set to true. Typically, dynamically generated images lack extensions, though there are exceptions.
- **image_count**: (integer) The total number of images found in your campaign including background images.
- **image_max_width**: (integer): The max-width style applied to all images in pixels.
- i**mages_missing_alt_attribute:** (integer) The number of images missing or have an empty **"alt"** attribute.
- **image_list**: (list of images) A list of all images found and their properties.
  - **image_url**: (string) The URL of where the image is located.
  - **image_size** (long) The size of the image in Kilobytes (KB)
  - **image_width**: (integer) The width of the image.
  - **image_height**: (integer) The height of the image.
  - **image_background**: (true/false) True, if this is a background image, otherwise
  - **image_type**: (Integer) 1=png, 2=jpeg, 3=gif, 4=bmp, 5=svg, 6=avif, 7=tif, 8=webp, 9=apng, 10=heic, 11=icon, 12=base64, -1=Unknown
  - **image_rendered_width**: (integer) The rendered width of the image.
  - **image_rendered_height**: (integer) The rendered height of the image.
  - **links_missing_title_attribute** : (integer) The number of links
missing the **"title"** attribute.
- **links_scanned**: (integer) The total number of links scanned, images, text, and redirects.
- **os_images_found**: (integer) The number of oversized images found in your campaign, slowing down the loading of your campaign.
- **pd_cdn_list**: (List of links on Poor delivery CDNs) Links that point to CDNs that are known to affect delivery.
   - **pd_cdn_name**: (string) The name of the CDN that can affect delivery.
   - **pd_cdn_url**: (string) The URL or Location the CDN uses to host content.
- **min_font_size_allowed**: (A positive Integer, under 100) in pixels.
- **max_font_size_allowed**: (A positive Integer under 100) in pixels.
- **os_image_list**:(list of images) All the oversized images in the campaign
  - **image_url**: (string) The URL of where the image is located.
  - **image_size** (long) The size of the image in Kilobytes (KB)
  - **image_width**: (integer) The width of the image.
  - **image_height**: (integer) The height of the image.
  - **image_background**: (true/false) True, if this is a background image, otherwise false.
  - **image_type**: (Integer) 1=png, 2=jpeg, 3=gif, 4=bmp, 5=svg, 6=avif, 7=tif, 8=webp, 9=apng, 10=heic, 11=icon, 12=base64, -1=Unknown
  - **image_rendered_width**: (integer) The rendered width of the image.
  - **image_rendered_height**: (integer) The rendered height of the image.
- **pd_cdns_found**: (integer) The number of content delivery networks found, known to cause adverse delivery issues.
- **pd_cdns_link_count**: (integer) The total number of links pointed to content delivery networks know to cause adverse delivery issues.
- **preserve_media_queries**: (true/false) True, if all media queries were preserved.
- **relative_links_base_url**: If set this needs to be a full base URL like "[https://campaigncleaner.com/"](https://campaigncleaner.com/), if your email campaign has any relative paths, it will be converted to an absolute URL. In most instances, you won't need to set this.
- **remove_successive_punctuation**: (true/false) if true, this will remove succession punctuation like ..., !!!!, $$$ to a single occurrence.
- **remove_css_inheritance**: (true/false) If true, removes all elements of CSS that are inherited. Once CSS is inlined, the inherited CSS will be removed, for example if font-size of a parent tag is 15 pixels, there is no need for the font-size of the child tag to be specified as 15 pixels because it's inherited or computed from the parent tag, this reduces the size of your HTML Campaign.
- **remove_classes_and_ids**: (_true_/false) If true, all the class and ID attributes after CSS Inlining was removed.
- **remove_comments**: (true/false) If true, comments were stripped from both CSS and HTML. Comments are invisible in HTML and can trigger spam filters.
- **remove_control_non_printable:** (true/false) If True, call non-printable and control characters are removed.
- **remove_image_height:** (true/false) if true, the height style was removed from all images, preventing any image distortions.
- **remove_large_widths_over**: (integer) Experimental: If sets removes all defined widths over the value set on non images and table tags.
- **replace_diacritics**: (true/false) If true, diacritic characters like á were replaced with a normal characters equivalent.
- **replace_non_ascii_characters**: (true/false) If true, all non-ascii characters were replaced with their ascii equivalent. For example, ❝ was replaced with **".** Non-ascii characters is of of the major spam trigger.
- **resize_and_host**: (true/false) If true, all eligible images were resized, converted, and hosted on our CDN. Read more about this here: [Resize And Host](https://docs.campaigncleaner.com/en/resize_and_host)
- **spam_words_count**: (integer) The total number of spam words found in your campaign.
- **spam_keyword_list**: (List of Spam Keywords) (keyword (string), count (integer) Array of all spam keywords found and the number of times they were found.
  - **keyword**: The spam Keyword or phrase.
  - **count**: The number of occurrences of the spam keyword.
- **spam_keyword_ratio**: (double) The spam keyword ratio of the campaign.
- **spam_keyword_max_acceptable_ratio**: (double) The max acceptable ratio for spam keywords for any campaign.
- **successive_currency_marks**: (integer) The number of successive currency marks found "$$".
- **successive_exclaimations**: (integer) The number of successive exclamation points found "!!".
- **successive_question_marks**: (integer) The number of successive question marks found "??".
- **successive_periods**: (integer) The number of successive periods found "..".
- **surrounding_div**: A surrounding "div" added to your html with the following styles added.
   - **max_width**: The max-width style in pixels applied to the surrounding "div".
   - **text_align**: (left, center, right) All content within the surrounding "div" will be aligned according to the specified style. However, this can be over-written but setting "text-align" property on inner tags within the "div" to customize the appearance of your email.
   - **font_size**: The pixel size that set in the surrounding div to adhere to, this adds an "!important" to all font-sizes that are set on any tag in the HTML to maintain the font you want. While setting all unspecified font sizes to the size you choose.
   - **center_to_parent**: (true/false) If true, this will enable the surrounding "div" to be centered in any parent tags in which it is placed. This is particularly helpful when inserting an HTML snippet into a template
  - **text_link_max_acceptable_ratio**: (double) the max acceptable text
to link ratio for any campaign.
- **text_link_ratio**: (double) The text to link ratio of your campaign.
- **text_image_max_acceptable_ratio**: (double) the max acceptable text to image ratio for any campaign.
- **text_image_ratio**: (double) The text to image ratio of your campaign.
- **total_word_count**: (integer) The total number of words found in your campaign.

#### Additional Information:

**HTTP Status Codes:** [https://developer.mozilla.org/en-US/docs/Web/HTTP/Status](https://developer.mozilla.org/en-US/docs/Web/HTTP/StatusIn)

In addition to status codes listed in the document above.

| **Status Code** | **Description** |
| --- | --- |
| 97 | Telephone Links start with tel: |
| 98 | Email links, starts with mailto: |
| 99 | Invalid URL - The provided website address is not valid. It may be a partial address, missing the necessary protocols (http or https), or has an incorrect format. |

Get Campaign

Get Campaign PDF Analysis

The **get_credits** API will show you how many credits you currently have available. Credits are consumed by calling the **send_campaign** API endpoint.

#### Response:

- **Credits**: The amount of available credits you have on your account.
 

In the event of any other error, you will get an "**error**:" response, with a description of the reason.

Get Credits

The **send_campaign** API Endpoint allows you to send in a campaign to be processed and analyzed by [Campaign Cleaner](https://campaigncleaner.com). Below is the list of settings that can be set, all optional settings, if not specified will default to the bold/italicized setting.

All submitted campaigns will be sanitized and CSS inlined.

#### Request Body:

_Required:_

**send_campaign**:

- **campaign_html** : The full HTML of your campaign
- **campaign_name**: The name of your campaign - campaign name must pass our sanitization checks.
 

Campaigns are normally processed in under 2 minutes, in most instances in a few seconds. But in some cases with very large campaigns with lots of images and links it can take longer to check those links for blacklists, redirects. image sizes and more. Depending on the server where those links resources are located it can take longer. The send campaign, will return a campaign ID once we received it, you can use that campaign ID to check on the status, and retrieve your campaign when it's finished processing or you can supply us a webhook URL and we will send the results to you automatically.

_Optional:_

**send_campaign**:

- **adjust_font_colors**: (_**true**_/false), If true, certain bright colors are spam triggers, like "**red**" or "**#FF0000**", will be adjusted to a slightly different color like "**#FF0101"**, it will look the same, but won't trigger some spam filters.
- **adjust_font_size**: (_**true**_/false) If true, you will be able to define the min and max font size allowed in pixels. If your newsletter contains larger or small font's it will adjust them to the min/max you define.
- **convert_h_to_p_tags**: (true/**false**) If true, this will change all the H tags to P tags and set the correct font-size.
- **convert_tables_to_divs:** (true/**false**) - This is an experimental feature to convert all the tables to divs, in certain instances with a complicated table structure you might need to edit the HTML. We recommend leaving this as false or not setting it.
- **custom_info:** This field is for you to pass any additional data you want to send us, it will also be passed back to you when you call the get_campaign API. It's limited to 500 characters. - It must pass our sanitization checks.
- **host_extensionless_images:** (true/**false**) If true, images without extensions will be hosted on our CDN when the **resize_and_host** parameter is set to true. Typically, dynamically generated images lack extensions, though there are exceptions.
- **image_max_width:** (int) When this is specified, it will add an max-width style to all images. it is not desirable for the image width to exceed the default campaign width.
- **min_font_size_allowed**: (_**10**_) (A positive Integer, under 100) The **min_font_size** must be smaller or equal to the **max_font_size** in pixels
- **max_font_size_allowed**: (_**32**_) (A positive Integer under 100) The **max_font_size** must be larger or equal to the **min_font_size** in pixels
- **preserve_media_queries**: (_**true**_/false) True, if media queries should be preserved.
- **remove_classes_and_ids**: (_**true**_/false) If true, removes all the class and ID attributes after CSS Inlining.
- **remove_comments**: (_**true**_/false), If true, comments are stripped from both CSS and HTML. Comments are invisible in html and can trigger spam filters.
- **remove_css_inheritance**: (_**true**_/false) If true, removes all elements of CSS that are inherited. Once CSS is inlined, the inherited CSS will be removed, for example if font-size of a parent tag is 15 pixels, there is no need for the font-size of the child tag to be specified as 15 pixels because it's inherited or computed from the parent tag, this reduces the size of your HTML Campaign.
- **remove_control_non_printable:** (**true**/false) If true, all non-printable and control characters are removed.
- **remove_image_height:** (**true**/false) if true, the height style is removed from all images, preventing any image distortions. Only the width property should be set on images sent in emails.
- **remove_large_widths_over**: (integer) Experimental: If sets removes all defined widths over the value set on non images and table tags.
- **remove_successive_punctuation**: (true/**false**) if true, this will remove succession punctuation like ..., !!!!, $$$ to a single occurrence.
- **relative_links_base_url**: If set this needs to be a full base URL like "[https://campaigncleaner.com/"](https://campaigncleaner.com/), if your email campaign has any relative paths, it will be converted to an absolute URL. In most instances, you won't need to set this.
- **replace_diacritics**: (**true**/false) If true, replaces diacritic characters like á with normal characters equivalent, if you're sending emails in English emails, this is a must.
- **replace_non_ascii_characters**: (**true**/false) If true, replaces all non-ascii characters with their ascii equivalent. For example, ❝ will be replaced with **".** Non-ascii characters is of of the major spam trigger.
- **resize_and_host**: (true/**false**) If true,we will resize, convert, and host all eligible images on our CDN. Please read our documentation here: [Resizing and Hosting](https://docs.campaigncleaner.com/en/resize_and_host)
- **surrounding_div:** When you set any parameter of the surrounding div, it will add "div" tag around your html with the styles you set. This is helpful to set default styles and conditions that can affect the look of your html.
  - **max_width:** The max_width style applied to the surrounding "div" can be specified in pixels as an integer value. It is typically set to the desired maximum width of the campaign, which is commonly either 600 or 900 pixels.
  - **text_align**: (left, center, right) All content within the surrounding "div" will be aligned according to your specified style. However, you can use the "text-align" property on inner tags within the "div" to customize the appearance of your email.
  - **font_size:** The pixel size that you want everything in the surrounding div to adhere to, setting this, will add an "_!important"_ to the font-size in the surrounding "div". Font sizes that are set on any tag in the HTML will retain their original size. While all unspecified font sizes to the size you chose.
  - **center_to_parent:** (true/false) Using this feature will enable the surrounding "div" to be centered in any parent tags in which it is placed. This is particularly helpful when inserting an HTML snippet into a template.

- **webhook_url**: An endpoint that you provide us and when your campaign is fully processed we will send the results back that is found in the Get Campaign API. You can utilize the webhook section under API Management to troubleshoot and test your endpoint.
 

#### Response:

**campaign:**

- **id**: The campaign id that will be used to retrieve your campaign using the get_campaign API.

Campaign Managmement

Features & Settings

Integrations

Management

Account Info

References

Legal and Compliance