Randommer might be a bit more popular than Email List Verify. We know about 2 links to it since March 2021 and only 2 links to Email List Verify. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you're not getting the right email addresses from ContactOut and it's bouncing back, you could always run the email addresses through something like emaillistverify.com to make sure they're valid before you try to email them. (you should do that always anyway to protect your email deliverability). Source: almost 2 years ago
Emaillistverify.com is the service I use. Source: almost 2 years ago
With your second program, refactor your first to use something like https://randommer.io/ to return the random number. That will be your ONLY API call. Look up JSON Deserialization for GET requests to see how you can get your API call's GET data to be deserialized into a JavaScript array so that you can just read the data that is returned from the API. Source: almost 2 years ago
I have multiple websites on a DigitalOcean( ref link - you get 100$, I get $25) droplet (including Randommer - over 5000 daily visits) and I highly recommend it. Source: over 2 years ago
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
GeneratorMix - A place with hundreds of generators split into different categories from science to entertainment.
Email Verifier - Email verifier app lets you verify email.
Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.