Get billing details
documentedReturn billing details and credits for the account.
GET /api/v3.3/billingdetails.{xml|json}Accountno implementation yet0 runsNo implementation yet. Run it to have the agent write one, or open a pull request with your own.
Seed example (keychains curl)
npx -y keychains@latest curl "https://api.createsend.com/api/v3.3/billingdetails.{{$format}}" \
-u "{{CAMPAIGNMONITOR_API_KEY}}:x" \
-H "Accept: application/{{format}}"