diff --git a/seed/challenges/01-front-end-development-certification/intermediate-ziplines.json b/seed/challenges/01-front-end-development-certification/intermediate-ziplines.json
index d4728840f57..b5ae1e883f2 100644
--- a/seed/challenges/01-front-end-development-certification/intermediate-ziplines.json
+++ b/seed/challenges/01-front-end-development-certification/intermediate-ziplines.json
@@ -66,7 +66,7 @@
         "<strong>User Story:</strong> I can see the weather in my current location.",
         "<strong>User Story:</strong> I can see a different icon or background image (e.g. snowy mountain, hot desert) depending on the weather.",
         "<strong>User Story:</strong> I can push a button to toggle between Fahrenheit and Celsius.",
-        "We recommend using the <a href='https://openweathermap.org/current#geo' target='_blank'>Open Weather API</a>. This will require creating a free API key. Normally you want to avoid exposing API keys on CodePen, but we haven't been able to find a keyless API for weather.",
+        "We recommend using the <a href='https://darksky.net/dev/docs' target='_blank'>Dark Sky API</a> or <a href='https://www.wunderground.com/weather/api/d/pricing.html' target='_blank'>Weather Underground API</a>. This will require creating a free API key. Normally you want to avoid exposing API keys on CodePen, but we haven't been able to find a keyless API for weather.",
         "Remember to use <a href='http://forum.freecodecamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> if you get stuck.",
         "When you are finished, click the \"I've completed this challenge\" button and include a link to your CodePen.",
         "You can get feedback on your project by sharing it with your friends on Facebook."