... oauth_token="jx9997t7pd3ldvjemmiz9co6qtxj3igk", oauth_version="1.0"' \ and.... Consumer Secret and Access Token Secret I create the oath_signature parmeter with openssl 1- I create a file param.txt with the method, uri and parameters POST&http://testting.ip.xxxxxxxcontent.com/staging.cal/rest/V1/products&oauth_consumer_key=8pr53tcagfih9bpvo24m1t8z9xd42tx3&oauth_nonce=W6ndLpigOjP025vmvGSJdqEEylRUusgg&oauth_signature_method=HMAC-SHA256&oauth_timestamp=1697034473&oauth_token=jx9997t7pd3ldvjemmiz9co6qtxj3igk&oauth_version=1.0 ...