---
title: "Sign-up forms and consent – Scratcher help center"
description: "Collect the right details, ask for consent, use double opt-in and stop cheating."
url: https://scratcher.io/help/forms
language: en
---

1. [Help center](https://scratcher.io/help)
2. Sign-up forms and consent

# Sign-up forms and consent

Collect the right details, ask for consent, use double opt-in and stop cheating.

## Articles

- [Edit the sign-up form Add, remove and arrange fields, use system fields and your own fields, style the form and see everything in the form panel.](https://scratcher.io/help/forms/edit-the-sign-up-form)
- [Form field types, settings and styling Every field type and its settings: phone countries, date format and minimum age, dropdown options and mapping, passwords, captcha, labels, error messages and field styling.](https://scratcher.io/help/forms/form-fields-and-add-ons)
- [Every form add-on Captcha, autosave, double opt-in, address lookup, confirmation and error popups, show the form after the game, multi-step forms, the unique field and where people go after the form.](https://scratcher.io/help/forms/form-add-ons)
- [Hidden fields, prefilled forms and the unique field Save extra data with hidden fields, fill in fields from the campaign link, let returning players skip typing and choose how Scratcher recognises a person.](https://scratcher.io/help/forms/hidden-fields-and-prefill)
- [Ask for consent and add terms and conditions Add consent checkboxes for newsletters, link your terms, choose which checkbox subscribes people and send only people who said yes to your email tool.](https://scratcher.io/help/forms/consent-and-permissions)
- [Set up double opt-in Ask new sign-ups to confirm their email address with a link, so you know the address is real and theirs.](https://scratcher.io/help/forms/double-opt-in)
- [Limit how often people can play Let people play once, daily, weekly or without limit, cap the number of participants and change the messages they see.](https://scratcher.io/help/forms/limit-participation)
- [Stop cheating and spam How Scratcher protects your campaign in the background, and how you add captcha, block emails, domains and IP addresses, limit requests and protect the preview.](https://scratcher.io/help/forms/prevent-cheating)

Browse by topic

- [Getting started](https://scratcher.io/help/getting-started)
- [Campaigns and the editor](https://scratcher.io/help/campaigns)
- [Elements and design](https://scratcher.io/help/elements)
- [Games and formats](https://scratcher.io/help/games)
- [Prizes and winners](https://scratcher.io/help/prizes)
- [Sign-up forms and consent](https://scratcher.io/help/forms)
- [Publishing and sharing](https://scratcher.io/help/sharing)
- [Leads and statistics](https://scratcher.io/help/results)
- [Integrations](https://scratcher.io/help/integrations)
- [API, webhooks and MCP](https://scratcher.io/help/developers)
- [Rex and AI features](https://scratcher.io/help/ai)
- [Account, team and security](https://scratcher.io/help/account)
- [Plans and billing](https://scratcher.io/help/billing)

## Still need help?

Real people are here to help. If you already use Scratcher, the quickest way is the chat inside the platform.

- **[Chat with us](https://platform.scratcher.io/login)**

    Log in and click the chat button in the bottom-right corner. Rex answers right away, and our team is a click away.
- **[Book a meeting](https://scratcher.io/book-a-meeting)**

    A free 30-minute video call with our team: a tour, campaign ideas or help with your setup.
- **[Email us](mailto:contact@scratcher.io)**

    Write to contact@scratcher.io and we will get back to you.