POST xttps://api.twitter.com/1.1/statuses/update.json?status=Test%20Tweet
(orafaq thinks thats a link thats why Ive changed it to xttps)

Request Headers
Authorization: OAuth oauth_consumer_key="XXX",oauth_token="YYY",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1604040422",oauth_nonce="uAmCX0NFeym",oauth_version="1.0",oauth_signature="KhtY25DnOvYHgqK6SG83UvMU5y4%3D"
User-Agent: PostmanRuntime/7.26.1
Accept: */*
Cache-Control: no-cache
Postman-Token: 8901fa98-f367-4219-a33e-23d38d316650
Host: api.twitter.com
Accept-Encoding: gzip, deflate, br
Connection: keep-alive
Cookie: personalization_id="v1_QQUZtSSL3H/TMxogtXMEcw=="; lang=en; guest_id=v1%3A160397589280743625
Content-Length: 0

DECLARE
    http_req                   utl_http.req;
    http_resp                  utl_http.resp;
    l_http_method              VARCHAR2(5) := 'POST';
    l_content                  VARCHAR2(140) := utl_url.escape('SAHTestTweet');
    l_oauth_request_token_url  CONSTANT VARCHAR2(500) := 'xttps://api.twitter.com/1.1/statuses/update.json';
    l_oauth_consumer_key       CONSTANT VARCHAR2(500) := 'XXX';
    l_oauth_consumer_secret    CONSTANT VARCHAR2(500) := 'YYY';
    l_oauth_token              CONSTANT VARCHAR2(500) := 'AAA';
    l_oauth_secret             CONSTANT VARCHAR2(500) := 'BBB';
    l_oauth_nonce              VARCHAR2(500);
    l_oauth_signature_method   CONSTANT VARCHAR2(10) := utl_url.escape('HMAC-SHA1');
    l_oauth_timestamp          VARCHAR2(100);
    l_oauth_version            CONSTANT VARCHAR2(5) := utl_url.escape('1.0');
    l_oauth_base_string        VARCHAR2(2000);
    l_oauth_key                VARCHAR2(500) := l_oauth_consumer_secret
                                 || '&'
                                 || l_oauth_secret;
    l_oauth_header             VARCHAR2(2000);
    l_sig_mac                  RAW(2000);
    l_base64_sig_mac           VARCHAR2(100);
    l_update_send              VARCHAR2(2000);
    l_line                     VARCHAR2(1024);
    resp_name                  VARCHAR2(256);
    resp_value                 VARCHAR2(1024);
    l_random                   VARCHAR2(25);
BEGIN  

 -- Oracle Wallet
        utl_http.set_wallet('file:/home/app/oracle/product/11.2.0/dbhome_1/owm/wallets/oracle', 'PASSWORDHERE');

 -- Get the timestamp  
      SELECT
        utl_url.escape((sysdate - TO_DATE('01-01-1970', 'DD-MM-YYYY')) *(86400))
    INTO l_oauth_timestamp
    FROM
        dual;  
  
  -- RANDOM oauth_nonce  
      SELECT
        dbms_random.string('A', 25)
    INTO l_random
    FROM
        dual;

    SELECT
        utl_url.escape(utl_encode.base64_encode(utl_i18n.string_to_raw(l_random, 'AL32UTF8')))
    INTO l_oauth_nonce
    FROM
        dual;

-- Build up base string

    l_oauth_base_string := l_http_method
                           || ' '
                           || utl_url.escape(l_oauth_request_token_url)
                           || '?'
                           || 'status'
                           || '='
                           || l_content
                           || '&'
                           || utl_url.escape('oauth_consumer_key'
                                             || '='
                                             || l_oauth_consumer_key
                                             || '&'
                                             || 'oauth_nonce'
                                             || '='
                                             || l_oauth_nonce
                                             || '&'
                                             || 'oauth_signature_method'
                                             || '='
                                             || l_oauth_signature_method
                                             || '&'
                                             || 'oauth_timestamp'
                                             || '='
                                             || l_oauth_timestamp
                                             || '&'
                                             || 'oauth_token'
                                             || '='
                                             || l_oauth_token
                                             || '&'
                                             || 'oauth_version'
                                             || '='
                                             || l_oauth_version);

    dbms_output.put_line(l_oauth_base_string);
    
    -- create signature
    l_sig_mac := dbms_crypto.mac(utl_i18n.string_to_raw(l_oauth_base_string, 'AL32UTF8'), dbms_crypto.hmac_sh1,
                                utl_i18n.string_to_raw(l_oauth_key, 'AL32UTF8'));

    dbms_output.put_line('Combined sig: ' || l_oauth_key);
    
    -- encode signature
    l_base64_sig_mac := utl_raw.cast_to_varchar2(utl_encode.base64_encode(l_sig_mac));
    
    dbms_output.put_line('MAC Signature (Base64-encoded): ' || l_base64_sig_mac);
    
    
    -- add tweet to end of URL
    l_update_send := l_oauth_request_token_url
                     || '?status='
                     || l_content;
                     
    dbms_output.put_line('BEGINNING REQUEST ' || l_update_send);
    http_req := utl_http.begin_request(l_update_send,
                                      l_http_method,
                                      utl_http.http_version_1_1);
                                      
    dbms_output.put_line('REQUEST BEGUN URL ' || l_update_send);
    
    utl_http.set_response_error_check(true);
    utl_http.set_detailed_excp_support(true);
    utl_http.set_body_charset(http_req, 'UTF-8');
    
    -- Create Header
    l_oauth_header := 'OAuth '
                      || 'oauth_consumer_key="'
                      || l_oauth_consumer_key
                      || '",'
                      || 'oauth_token="'
                      || l_oauth_token
                      || '",'
                      || 'oauth_signature_method="'
                      || l_oauth_signature_method
                      || '",'
                      || 'oauth_timestamp="'
                      || l_oauth_timestamp
                      || '",'
                      || 'oauth_nonce="'
                      || l_oauth_nonce
                      || '",'
                      || 'oauth_version="'
                      || l_oauth_version
                      || '",'
                      || 'oauth_signature="'
                      || utl_url.escape(l_base64_sig_mac)
                      || '"';

    dbms_output.put_line('HEADER: ' || l_oauth_header);
    
    -- Set Header Fields
    utl_http.set_header(r => http_req, name => 'Authorization', value => l_oauth_header);

utl_http.set_header(r => http_req, name => 'Accept-Encoding', value => 'gzip, deflate, br');

    utl_http.set_header(r => http_req, name => 'Connection', value => 'keep-alive');

    utl_http.set_header(r => http_req, name => 'Content-Length', value => '0');

    utl_http.set_transfer_timeout(to_char('60'));
    utl_http.write_text(r => http_req, data => l_content);
    http_resp := utl_http.get_response(r => http_req);
    dbms_output.put_line('GETTING RESPONSE HEADERS! ');
    FOR i IN 1..utl_http.get_header_count(http_resp) LOOP
        utl_http.get_header(http_resp, i, resp_name, resp_value);
        dbms_output.put_line(resp_name
                             || ': '
                             || resp_value);
    END LOOP;

    dbms_output.put_line('Getting content:');
    BEGIN
        LOOP
            utl_http.read_line(http_resp, resp_value, true);
            dbms_output.put_line(resp_value);
        END LOOP;
    EXCEPTION
        WHEN utl_http.end_of_body THEN
            dbms_output.put_line('No more content.');
    END;

    utl_http.end_response(r => http_resp);
EXCEPTION
    WHEN OTHERS THEN
        dbms_output.put_line('HTTP ERROR: ' || sqlerrm);
        dbms_output.put_line(utl_http.get_detailed_sqlerrm);
END;

POST xttps://api.twitter.com/1.1/statuses/update.json?status=SAHTestTweet&oauth_consumer_key=XXX&oauth_nonce=53334A3365474E5A636D52765A304E3353323532536E4252533270515330523654513D3D&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1604062895&oauth_token=YYY&oauth_version=1.0

Combined sig: g9nkIeE1j5VKUam1hCMXJuanMAXWuhvq8wDQugmQh9fzjnzVLQ&o3m9EgdWOLbcjN7KUACeXXdWyVyrvB8Zx1bCCgt7Z1Shi

MAC Signature (Base64-encoded): j3fvwUjuy6KaHxY487tHMMcwP3U=

BEGINNING REQUEST xttps://api.twitter.com/1.1/statuses/update.json?status=SAHTestTweet
REQUEST BEGUN URL xttps://api.twitter.com/1.1/statuses/update.json?status=SAHTestTweet

HEADER: OAuth oauth_consumer_key="XXX",oauth_token="YYY",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1604062895",oauth_nonce="53334A3365474E5A636D52765A304E3353323532536E4252533270515330523654513D3D",oauth_version="1.0",oauth_signature="j3fvwUjuy6KaHxY487tHMMcwP3U="

HTTP ERROR: ORA-29268: HTTP client error 400 - Bad Request

cache-control: no-cache, no-store, max-age=0
content-length: 62
content-type: application/json; charset=utf-8
date: Tue, 03 Nov 2020 11:12:38 GMT
server: tsa_f
set-cookie: personalization_id="v1_1Z0inHJflCVlKII/8YwxSQ=="; Max-Age=63072000; Expires=Thu, 03 Nov 2022 11:12:38 GMT; Path=/; Domain=.twitter.com; Secure; SameSite=None
set-cookie: guest_id=v1%3A160440195815225618; Max-Age=63072000; Expires=Thu, 03 Nov 2022 11:12:38 GMT; Path=/; Domain=.twitter.com; Secure; SameSite=None
strict-transport-security: max-age=631138519
x-connection-hash: 1136378f9bfb21a845cf144ff32a0cc9
x-response-time: 103
Getting content:
{"errors":[{"code":89,"message":"Invalid or expired token."}]}
No more content.

PL/SQL procedure successfully completed.