Stop form abandonment. Capture every lead.

Basin automatically saves partial form submissions in real time — on both multi-step and single-page forms. When visitors abandon your form, you keep the data they entered. One script tag, zero code changes. Built to handle millions of submissions.

Start free with Email
Eric DoddsDaniel LangDavid BittonAlex DixonAshton LanceKaitlyn FlorianTJ KohliTome Beke

Join 35,000+ agencies, businesses, and creators building better forms

Trusted by thousands of teams around the world

Airbnb logo
Rudderstack logo
Fullstory logo
Real Thread logo
Carters logo
Marqeta logo
Camp logo
Lifeblue logo
Amity logo
Baffin logo
Getaround logo
Simplefocus logo
Partial Submission Capture

Reduce your form abandonment rate to near zero

Most form tools only capture data when visitors click submit — so every abandoned form is a lost lead. Basin's partial submission capture saves every field as it's filled in on both multi-step wizards and single-page forms. Cut your form abandonment rate and keep the data visitors entered, even when they leave early.

Real-time field capture

Each field is saved as visitors type — on single-page forms via data-basin-fetch, and automatically between steps on multi-step forms with data-basin-multistep.

Abandoned submission follow-ups

Automatically send a follow-up email to people who abandon your form. Drafts are held for 15 minutes, then marked as abandoned — triggering your recovery workflow.

Route every submission status

Configure separate webhooks for completed, abandoned, and spam submissions. Send partial leads straight to Salesforce, HubSpot, or any CRM via webhook.

Set up in minutes with BasinJS

No server code. No complex integrations. Add one script tag and a couple of data attributes to your existing form — BasinJS handles the rest.

1

Point your form to Basin

Set your form's action URL to your Basin endpoint. Works with any HTML form — React, Vue, Webflow, WordPress, or plain HTML.

2

Include the BasinJS script

Add our lightweight script before </body> and tag your form with data-basin-multistep. For single-page forms, add data-basin-fetch to key fields.

3

Recover abandoned leads

View partial submissions in your inbox, trigger automated follow-up emails, and route abandoned leads to your CRM via webhooks.

Multi-step form with partial submission capture:

<form action="https://usebasin.com/f/YOUR_ID" method="POST"
<!-- Enable partial submission capture -->
data-basin-multistep>

<div data-basin-step>
<input type="email" name="email" data-basin-fetch />
<button type="button" data-basin-next>Next</button>
</div>

<div data-basin-step>
<input type="text" name="company" />
<button type="button" data-basin-previous>Back</button>
<button type="submit">Submit</button>
</div>
</form>

<script src="https://js.usebasin.com/v2.10.1.min.js" defer></script>

Works identically on single-page forms — just add data-basin-fetch to any input to trigger a draft save on blur. No step dividers needed.

Enterprise Infrastructure

Built to handle millions of submissions

Form abandonment costs more when your infrastructure can't keep up. Basin is built for enterprise-grade throughput — so every partial submission is captured and processed reliably, even at scale.

Queued processing

Every submission is queued via Sidekiq background jobs — no request is dropped, even during traffic spikes.

Load balancing

Distributed across multiple servers so your forms stay fast and available under any load.

Cloudflare edge

Cloudflare best practices for DDoS protection, edge caching, and global low-latency delivery.

Any form, any stack

HTML forms, JavaScript, React, Vue, Webflow, WordPress — Basin works with your existing stack. No migrations needed.

We use Basin as the source for lead creation payloads for Salesforce, which is where all of our leads are processed. Because Basin is more reliable and we don't need the context of the client-side payload, this ensures durability for lead creation, which is key for our business.It's simple, fast, and reliable.

Eric Dodds
Eric DoddsHead of Product Marketing, Rudderstack
Read the full customer story
Plug and play

Works with all the things

Basin accepts plain form submits and webhooks from any source! No dependencies, js layers, plugins, or things to go wrong. This is what makes Basin a reliable leads platform.

Gatsby logo
VueJS logo
React logo
NextJS logo
NuxtJS logo
Svelte logo
11ty logo
Strattic logo
Webflow logo
Astro logo
WordPress logo

As a no code freelancer, Basin is totally a must have tool. It really helps me out with handling lead gen forms. Absolutely easy set up within Webflow. It works like a charm!

Martin
MartinWebflow Designer
Automatic protection

Say goodbye to spam (or don't)

You're too busy to sift through unwanted leads. Our endpoints utilize multiple layers of protection to screen out 99.9% of spam with all sorts of knobs and controls. Regardless, our webhooks allow to you to forward both ham and spam.

Basin captchas

Easy Captchas

Enable top‑tier captchas to safeguard your forms and build user confidence.

Basin AI

Evolving AI

Use our machine learning AI spam filter to keep unwanted content at bay.

Basin hidden fields

Invisible Defenses

Protect against known bots with hidden form fields and domain restrictions.

Basin has made form building and management straightforward and easy for our agency. It catches pretty much all automated spam which saves it hitting our clients. We like happy clients. 🙌

Alex Dixon
Alex DixonCofounder, Riot & Rebel
Superb deliverability

Premium email delivery included

Emails triggered by new form submissions should arrive immediately — not eventually. We’ve partnered with Postmark to make sure they get there fast.

Gmail

5.05s

Avg. 4.85s

Apple

45.27s

Avg. 105.43s

Hotmail

6.84s

Avg. 7.42s

AOL

8.54s

Avg. 5.36s

Yahoo

4.56s

Avg. 5.77s

We're collecting lead data so the #1 most important things are reliability and speed. Notification emails are super fast and everything just works. No fuss, Basin just gets the job done!

Daniel Lang
Daniel LangCEO, Mangomint
Read the full customer story
Integrate Anywhere

Connect to the tools you use

Spare yourself from the same ol' manual grind. Hook your Basin forms up to tools like Zapier, Pipedrive, Slack, and more to automate tasks and get the workflow going with every new form submission.

I get to do what I do best and Basin handles all the backend logic for me. Quick setup and easy integrations make it a no brainer for any form data collection. 11/10 — Basin definitely goes to 11.

Kristopher Bolleter
Kristopher BolleterUI Engineer
Improve Efficiency

Manage everything in one place

Save time by avoiding tool-switching and maintain the ability to grow and adapt your form automation needs with a single, scalable platform.

Submission inbox

View, share, and manage your form submissions.

File uploads

Store and access up to 10GB of files and images.

Auto responses

Instantly follow-up with people who submit.

Event logs

Review submission processing and track errors.

Custom redirects

Send submitters to your own success and error pages.

Form sharing

Give your clients or team members access.

Data storage

Set rules for how long to store form submission data.

Custom templates

Build your own HTML emails with merge tags.

Form analytics

Monitor your form traffic and conversion rates.

Data export

Download form submission data to a CSV or JSON file.

Custom domains

Send emails through your own domain.

GDPR compliance

Send data receipt emails automatically.

Summary emails

Daily and weekly summaries of submission activity.

Custom routing

Use JavaScript to dynamically route submission data.

AJAX friendly

Accept standard requests and works cross-origin.

Multi-page support

Set up a single form on any number of pages.

Virus scanning

Automatically scan submissions for malicious content.

Partial submission capture

Automatically save abandoned form data so you never lose a lead.

Basin JS

Integrate with our JavaScript library for advanced form handling.

Form builder

Create and customize forms with our intuitive builder.

Basin is wonderfully simple and fits my use case perfectly. I make my page/form in React, and send signups to them via an API. Perfect!

Felipe Hlibco
Felipe HlibcoDeveloper Relations Engineer, Google
Friendly Humans

Stellar support for everyone

Our team is always on hand to help you get set up, troubleshoot, debug, or answer any other questions you have.

Support tickets

If you submit a request, we'll typically respond in 10 minutes or less.

Video walkthroughs

When words aren't enough, we'll record and send a screenshare.

1-on-1 calls

For more advanced troubleshooting, we're happy to queue up a call.

So Basin has great support. Sent a question late last night and got a loom video response this morning answering it. 🔥

Austin Thesing
Austin ThesingDesigner + Webflow Expert

Stop losing leads to form abandonment

Start capturing partial submissions today. Free plan available — no credit card required. Upgrade when you need more submissions, file storage, or integrations.

Start free with Email

View pricing plans·Try the demo