Waiting lists

Create a waiting list workflow for your forms

Organize submitters with customized statuses and trigger different actions for each one of them.


Try a waiting list demo

This working demo automatically approves or rejects users based on email address

✉️ Email details

This flow automatically approves the sign-up request if the user provides an email address with a company domain, otherwise it automatically rejects the request.

You can customize it's logic, add new fields, steps or integrate it in your own flow..

Try this form using a non existing email domain, a free email provider (eg. @gmail.com) or a company email domain.

What our clients say

"With Arengu, we are able to easily experiment and test our sign up flow, by separating it from our core platform. At the same time, the flow has become more robust when it comes to eliminate errors."
Peter Hanekamp
CEO, Taiga
"Arengu is a key part of our acquisition strategy to build personalized sign-up pages at scale. They are a flexible and easy-to-use solution to achieve our business goals."
Tahís Gómez
Acquisition Marketing, Privalia
"Thanks to Arengu we've been able to improve our customer registration experience, increasing the conversion rates by 30%. All in a quick and easy way."
Rafa Rovira
Digital Marketing Manager, Khama
"Arengu is a quick, trustworthy and flexible solution that allowed us to launch faster in new international markets and keep our focus in our core platform."
Borja Maceira
CTO, Opositatest

Why use waiting lists with Arengu?

Cover the whole process

With Arengu, you can cover the whole approval workflow from the beginning till the end. Start by creating your own waiting list form, personalize its fields, and customize the statuses, in no time and with no code. Afterwards, you can easily implement the logic that will be triggered to each status. You can integrate Arengu with any API of your choice or choose one of the native actions!

Save development time

Arengu is a low-code SaaS that can help you save up to 80% of development time. Optimize your workflows by building your own forms and flows in a easy and personalized way. Building your waiting lists with Arengu means personalizing all the processes behind the submissions. You can link any action you can imagine to each status, resulting in a powerful, tailored and smooth approval form.

Create smarter waiting lists

Grant access to a beta version, hand exclusive information to your first subscribers and much more. Create any use case by personalizing your approval form and its logic. With Arengu, you can tailor the whole form and they way users are authenticated as well. What about granting access with a magic link? Explore all possibilities without effort!

Powerful alone. Better together.

All-in-one solution to build, automate and scale your signup flows.


Drag & drop form builder

Easily create your custom form with our drag & drop builder. Add multiple steps, require payment details, add custom server-side logic... without writing a single line of code.

  • Forms with Flows

  • Approval workflows

  • Multi-step forms fields

  • Payment fields

Learn about Forms


Visual flow editor

Easily build server-side logic that can be used in your forms or as a standalone product. Create custom validations, integrate with other APIs or automate tasks without coding.

  • Validation flows

  • Eliminate maintenance costs.

  • Easy to integrate with your stack.

Learn about Flows


Hosted static pages

Maximize your conversion rates building dedicated static pages at scale with message-matched content and get the best results for your ad campaigns.

  • Simple HTML templates

  • Automated pages from a .CSV file

  • HTTPS & CDN-hosted assets

  • Mustache template tags

Learn about Pages

Other popular use cases

Use ready-made templates to build complex use cases in minutes. Or build yours from scratch for a completely custom experience.

Developer friendly

Save development time, embed anywhere with a line of code.

Stack agnostic

Embed it, with a simple line of code, in most popular CMS platforms, landing page builders and development frameworks.

Integrations with any API

Quick integration with almost every API and common ID providers (Auth0, Okta...), adding flexibility to forms and logics.

Save time and resources

We help teams with repetitive and complex actions, building - easy to edit, maintain and scale - templates.

Frequently asked questions

What is an approval process?
What use cases does an approval workflow cover?
How many status can I define? Can I establish my own approval criteria?
How does Arengu help me save time when building an approval form?
Can I add customized logic and integrations to my approval form?
What actions can I link to each status?