\/\/ Timestamp<\/strong><\/p>\n

TimeZone lagosTimeZone = TimeZone.getTimeZone(“Africa\/Lagos”);\u00a0 Calendar calendar = Calendar.getInstance(lagosTimeZone);\u00a0 long timestamp = calendar.getTimeInMillis() \/ 1000;<\/p>\n

 <\/p>\n

\/\/ Nonce\u00a0<\/strong><\/p>\n

UUID uuid = UUID.randomUUID();<\/p>\n

String nonce = uuid.toString().replaceAll(“-“, “”);<\/p>\n

 <\/p>\n

\/\/ Signature Method\u00a0<\/strong><\/p>\n

String signatureMethod = “SHA512”;<\/p>\n

 <\/p>\n

\/\/ Signature\u00a0<\/strong><\/p>\n

String httpMethod = “POST”; \/\/ HTTP Method of the resource that is being called<\/p>\n

String encodedResourceUrl = “RESOURCE_URL”;\u00a0 \/\/ put the resource URL here<\/p>\n

String clientId = “CLIENT_ID”;\u00a0 \/\/ put your client Id here<\/p>\n

String clientSecretKey = “CLIENT_SECRET_KEY”;\u00a0 \/\/ put your client secret here<\/p>\n

String signatureCipher = httpMethod + “&” + encodedResourceUrl + “&” + timestamp + “&” + nonce + “&” + clientId + “&” + clientSecretKey;<\/p>\n

MessageDigest messageDigest = MessageDigest.getInstance(signatureMethod);<\/p>\n

byte[] signatureBytes = messageDigest.digest(signatureCipher.getBytes());<\/p>\n

String signature = new String(Base64.encodeBase64(signatureBytes));<\/p>\n

 <\/p>\n

\/\/ Setting HTTP Header values\u00a0<\/strong><\/p>\n

String resourceUrl = “https:\/\/sandbox.interswitchng.com\/passport\/oauth\/token”;<\/p>\n

HttpPost post = new HttpPost(resourceUrl);<\/p>\n

post.setHeader(“TIMESTAMP”, timestamp);<\/p>\n

post.setHeader(“NONCE”, nonce);<\/p>\n

post.setHeader(“SIGNATURE_METHOD”, signatureMethod);<\/p>\n

post.setHeader(“SIGNATURE”, signature)<\/p>\n","protected":false},"author":169,"featured_media":0,"parent":496,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"doc_tag":[],"_links":{"self":[{"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/530"}],"collection":[{"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/users\/169"}],"replies":[{"embeddable":true,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/comments?post=530"}],"version-history":[{"count":2,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/530\/revisions"}],"predecessor-version":[{"id":532,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/530\/revisions\/532"}],"up":[{"embeddable":true,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/496"}],"next":[{"title":"Strong Authentication API","link":"https:\/\/sandbox.interswitchng.com\/docbase\/docs\/interswitch-sec-headers\/strong-authentication-api-2\/","href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/2627"}],"prev":[{"title":"HTTP Response Code","link":"https:\/\/sandbox.interswitchng.com\/docbase\/docs\/interswitch-sec-headers\/http-response-code\/","href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/docs\/506"}],"wp:attachment":[{"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/media?parent=530"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/sandbox.interswitchng.com\/docbase\/wp-json\/wp\/v2\/doc_tag?post=530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}