...
http:
//YOURDOMAIN/plugins/servlet/crm/api?apiKey=${apiKey}&userName=${userName}&command=getcontactbyname&contactName=Vladimir Putin
Add value "Green" to the custom dictionary "Colors"
http:
//YOURDOMAIN
/plugins/servlet/crm/api?command=adddictionaryvalue&userName=${userName}&apiKey=${apiKey}&dictionaryName=Colors&newvalue=Green
http://YO
where:
${apiKey} - key's title
${userName} - JIRA user's login