How to Send WhatsApp API using Ruby

The solution for this is noted below

Solution

require 'uri'
require 'net/http'
require 'openssl'

url = URI("https://api.ultramsg.com/instance1316/messages/link")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

request = Net::HTTP::Post.new(url)
request["content-type"] = 'application/x-www-form-urlencoded'
request.body = "token=5v941eyo9eqixrsi&to=14155552671&link=https://en.wikipedia.org/wiki/COVID-19&referenceId="

response = http.request(request)
puts response.read_body

Try other methods by searching on the site. That is if this doesn’t work