Get External Credentials by Developer Name
GET {{_endpoint}}/services/data/v{{version}}/named-credentials/external-credentials/:DEVELOPER_NAME
Get an external credential, including the named credentials and principals associated with it and the type and status of each principal.
RESPONSES
status: OK
{"authenticationProtocol":"Custom","authenticationProtocolVariant":"NoAuthentication","authenticationStatus":"NotConfigured","customHeaders":[],"developerName":"Test","id":"0pt...","masterLabel":"Test","parameters":[],"principals":[],"relatedNamedCredentials":[{"developerName":"Test","id":"0XA...","masterLabel":"Test","url":"/services/data/v58.0/named-credentials/named-credential-setup/Test"}],"url":"/services/data/v58.0/named-credentials/external-credentials/Test"}