Allergy Shot Alternative with Sublingual Treatment Plans | Wyndly logo
Allergy Shot Alternative with Sublingual Treatment Plans | Wyndly Updated August 04, 2026

YC‑backed allergy care (W21) — Wyndly

Introduction

Wyndly is a YC‑backed telehealth allergy clinic in the Y Combinator Winter 2021 (W21) batch. The company delivers physician‑led, at‑home sublingual immunotherapy for environmental allergies and was publicly introduced to the YC community during W21. Sources: “Wyndly joins Y Combinator (W21)”, Hacker News launch thread.

Founders and leadership

YC batch and status

Selected investors

  • Y Combinator

  • Goodwater Capital

  • Civilization Ventures

  • Sweater Ventures

  • Kevin Mahaffey Source: Wyndly’s 2023 funding announcement: “Why Wyndly raised $2M”.

Quick facts

  • Category: Allergy immunotherapy (SLIT), telehealth, environmental allergies. Sources: Company site, HN launch.

  • HQ and origin: Telehealth practice extending a Denver ENT practice; serves patients across the U.S. Source: Company site.

  • Pricing and model: subscription care directed by board‑certified physicians; at‑home test + personalized drops/tablets. Sources: Company site, Allergy test product page.

References and official materials

FAQ