URL "https://api.coinmarketcap.com/v1/ticker/?limit=30" does not exist, is not readable or is protected against scraping.
Check if your IP address "95.216.55.52" has access permission to this URL.
Headers received:

Array
(
    [0] => HTTP/1.1 429 Too Many Requests
    [1] => Date: Tue, 07 Apr 2020 10:32:08 GMT
    [2] => Content-Type: text/html; charset=UTF-8
    [3] => Transfer-Encoding: chunked
    [4] => Connection: close
    [5] => Retry-After: 3593
    [6] => Set-Cookie: __cfduid=deb41cd58ace9cd5abc173fca993becd01586255528; expires=Thu, 07-May-20 10:32:08 GMT; path=/; domain=.coinmarketcap.com; HttpOnly; SameSite=Lax; Secure
    [7] => Cache-Control: no-cache
    [8] => X-Frame-Options: SAMEORIGIN
    [9] => Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    [10] => Vary: Accept-Encoding
    [11] => Server: cloudflare
    [12] => CF-RAY: 5803153f7a84c29f-FRA
    [13] => 
    [14] => 
)

URL "https://api.coinmarketcap.com/v1/ticker/?limit=30" does not exist, is not readable or is protected against scraping.
Check if your IP address "95.216.55.52" has access permission to this URL.
Headers received:

Array
(
    [0] => HTTP/1.1 429 Too Many Requests
    [1] => Date: Tue, 07 Apr 2020 10:32:09 GMT
    [2] => Content-Type: text/html; charset=UTF-8
    [3] => Transfer-Encoding: chunked
    [4] => Connection: close
    [5] => Retry-After: 3593
    [6] => Set-Cookie: __cfduid=d97cfa4faec580c05e3217d7979a182961586255528; expires=Thu, 07-May-20 10:32:08 GMT; path=/; domain=.coinmarketcap.com; HttpOnly; SameSite=Lax; Secure
    [7] => Cache-Control: no-cache
    [8] => X-Frame-Options: SAMEORIGIN
    [9] => Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
    [10] => Vary: Accept-Encoding
    [11] => Server: cloudflare
    [12] => CF-RAY: 580315403d0cd6b1-FRA
    [13] => 
    [14] => 
)