# wt.ls

> AI-optimized mirror of wt.ls containing 32 pages totalling 9,404 words of clean markdown content, structured data, and semantic HTML. Original source: https://wt.ls/. Last updated: 2026-05-17T20:44:58.583Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Build viral campaigns like](/site-root.html): Create a viral a waitlist for your next idea for free. People climb up as they invite friends. Set milestones, integrate it in minutes and build an audience pre-launch. (261 words)

## Articles & Blog Posts

- [Zapier integration v2](/explore/zapier-integration-v2/index.html): You can now connect Waitless to just about anything with Zapier. (150 words)
- [Page not found](/explore/zapier/index.html): Page not found. The page you're looking for doesn't exist or may have been moved. Return to Letterby or explore our viral referral platform. (23 words)
- [Email Verification](/explore/email-verification/index.html): Disposable and invalid emails get caught automatically (93 words)
- [Domain Warming](/explore/domain-warming/index.html): We're now warming up your domains automatically for the best deliverability. (107 words)
- [Campaign scheduling](/explore/campaign-scheduling/index.html): Schedule your campaigns to send at the perfect moment (92 words)
- [How to export subscribers from Beehiiv](/explore/beehiiv-export/index.html): Follow these steps to export your subscriber data from Beehiiv and seamlessly import it into Waitless. (335 words)
- [Webhooks](/explore/webhooks/index.html): Learn how to use webhooks with Waitless. (166 words)
- [Receive push notifications](/explore/receive-push-notifications/index.html): Get notified about new sign ups or when users earn points. (146 words)
- [API](/explore/api/index.html): Learn how to use the Waitless API. (105 words)
- [How to export subscribers from Mailchimp](/explore/mailchimp-export/index.html): Follow these steps to export your subscriber data from Mailchimp and seamlessly import it into Waitless. (462 words)
- [How to export subscribers from Loops](/explore/loops-export/index.html): Follow these steps to export your subscriber data from Loops.so and seamlessly import it into Waitless. (427 words)
- [Manual email verification](/explore/manual-email-verification/index.html): More control over your email verification process. Manually resend a verification email to a user with one click. (81 words)
- [How to export subscribers from GetWaitlist](/explore/getwaitlist-export/index.html): Follow these steps to export your subscriber data from GetWaitlist and seamlessly import it into Waitless. (380 words)
- [Customize your form's appearance across platforms – adjust the favicon and link preview image for all your forms.](/explore/favicon-and-social-settings/index.html): Customize your form's appearance across platforms – adjust the favicon and link preview image for all your forms. (78 words)
- [How to export subscribers from MailerLite](/explore/mailerlite-export/index.html): Follow these steps to export your subscriber data from MailerLite and seamlessly import it into Waitless. (360 words)
- [Oh no!  Unexpected Server Error](/bugs/index.html) (15 words)
- [Oh no!  Unexpected Server Error](/contact-form/index.html) (15 words)
- [Submit feature request](/feature-request/index.html): Request new features for Letterby. Share your ideas and help us build the tools you need to launch better viral referral campaigns. (22 words)
- [terms/index.html](/terms/index.html) (1 words)
- [blog/index.html](/blog/index.html) (1 words)
- [updates/index.html](/updates/index.html) (1 words)
- [Privacy policy](/privacy/index.html): Our privacy policy explains how we collect, use, and protect your data when you use Letterby. Your privacy matters to us. (2,768 words)
- [Guides](/guides/index.html): Letterby product tutorials and guides we've written to help you with Letterby. Refer to our documentation for more., Letterby product tutorials and guides we've written to help you with Letterby. Refer to our documentation for more. (2,299 words)
- [Connect with anything you want](/integrations/index.html): Connect Letterby with your favorite tools. Explore our integrations with Zapier, webhooks, API access, and more to automate your viral referral campaigns. (69 words)
- [Simple, scalable pricing](/pricing/index.html): Simple, transparent pricing for Letterby. Start free and upgrade as you grow. No hidden fees, cancel anytime. (115 words)
- [Become a partner](/partners/index.html): Partner with Letterby. Explore collaboration opportunities, integrations, affiliate programs, and ways we can work together to help founders launch better. (255 words)
- [You have an idea.    An idea that keeps you up at night. That you push away but it keeps coming back.](/about/index.html): Learn about Letterby, the viral referral platform that helps you launch products with built-in growth. See who's behind the product and what we're building next. (229 words)
- [Legal](/legal/index.html): Legal information and policies for Letterby, including our terms of service, privacy policy, and company details. (53 words)
- [Get in touch](/contact/index.html): Get in touch with the Letterby team. Whether you have questions, need support, or want to share feedback, we're here to help. (46 words)
- [Case studies](/case-studies/index.html): See how founders use Letterby to launch viral products. Real examples and results from companies that built successful referral campaigns. (60 words)
- [Discover upcoming launches](/explore/index.html): Explore products built with Letterby. See real examples of viral referral campaigns, waitlists, and launches created by our community of founders. (189 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/content/robots.txt): Crawler directives