Upload Contact List

curl --request POST \
  --url https://prod-api.ringg.ai/ca/api/v0/calling/contact/list \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-API-KEY: <x-api-key>' \
  --form 'variables_map=<string>' \
  --form 'agent_id=<string>' \
  --form 'call_config=<string>' \
  --form 'country_code=<string>'

{}