docusignapi - docusign soap api One or both of Username and Password are invalid -

docusignapi - docusign soap api One or both of Username and Password are invalid -

i using docusign soap api method (web service : demo.docusign.net/api/3.0/dsapi.asmx) create , send envelope.

recently got "one or both of username , password invalid" error, when app tried create , send envelope.

following header soap request:

soapaction: "http://www.docusign.net/api/3.0/createandsendenvelope" vsdebuggercausalitydata: uidpozoi+3i3/mdons6+lqqmrogaaaaavxc5jhgkhe6fvr8bvzphuhnpw/bcjtjijk7zihukl2kacqaa x-docusign-authentication: <docusigncredentials><username>{mine e-mail id}</username><password>{password}</password><integratorkey>{mine integrated key}</integratorkey></docusigncredentials>

i double check credentials (that set request) , relative info (i.e. recipient, tabs , document information) w.r.t envelope wish create still got error.

docusignapi