Steps to Add a Payment Authorization Form App on a Tumblr Site
Create your customized Payment Authorization Form app, match your website's style and colors, and add Payment Authorization Form to your Tumblr page, post, sidebar, footer, or wherever you like on your site.
How To Add a Payment Authorization Form App on Tumblr:
Create a Free Payment Authorization Form App
Start for free nowEdit Appearance
In the Tumblr Editor, open your Account Settings and select Edit Appearance. On the next page, select Edit Theme.Edit HTML
Click on the Edit HTML link underneath Custom Theme.Paste Script
Paste the POWR script into the HTML file between the Head tags. Then click Update, and save.New Text Post
Create a new Text post in the Tumblr dashboard.Paste Shortcode
Paste this shortcode into the post. If you expand the post, you will see your new POWR Payment Authorization Form.Click the POWR Settings Icon to open the POWR Editor.Begin to change the Payment Authorization Form plugin:
Go to the live Tumblr website and click the Settings Icon in the upper right corner of the Payment Authorization Form plugin.
Undecided if our Payment Authorization Form app will suit your needs? We have all the details you need.
See the detailsRemove the Guesswork of Building Your Brand
Establishing Brand Identity 101 - Your Website
If you have your Tumblr website published, you’ve tackled the biggest challenge in building an online presence. Way to go!
But next comes the hard part: how can you entice, captivate, make, and support more visitors?


Website Element Customization is Next
Some small business owners try to design a Payment Authorization Form app solo or get an expensive web designer that claims they can build one.
Others try to enlist web design companies overseas that claim to offer Payment Authorization Form apps for reduced prices or attempt to use open source code.
Save Time With POWR
Also, customizing and updating a Payment Authorization Form app involves even more time, and is likely to cause new complications.
As your company continues to progress, you're likely to face security issues, as hackers may attempt to manipulate vulnerabilities in the Payment Authorization Form app. POWR has you covered!


POWR supports high-volume sites on Tumblr and prioritizes the security of our Payment Authorization Form app, as well as all 60+ apps, to keep any bad actors at bay.

Our Payment Authorization Form comes with a team of expert engineers that work constantly for you, making sure your Payment Authorization Form is always working perfectly.
CASE STUDY: Rbia Shades wins big with POWR
Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.
After much research, they chose POWR as their no-code tool of choice.
Rbia grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.
They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Every POWR app works on any platform.
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Trusted by the best in the biz!
POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Payment Authorization Form widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Tumblr site.
POWR Payment Authorization Form allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Payment Authorization Form perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Payment Authorization Form to your Tumblr site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Tumblr site owners to implement Payment Authorization Form and gather feedback from their audience.
Using POWR Payment Authorization Form on your Tumblr site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.