- Not actively developed
- May include some experimental features
- Includes some incomplete features
- In general, not suitable for active use, but available for forking / continual improvement
- Postmaster.io API key
- Origins.txt - A file containing source ZIPs (one per line)
- Destinations.txt - A file containing destination ZIPs (one per line)
- Maps origins columns, destinations to rows
- Systematically runs every origin ZIP to every destination ZIP, subtracts delivery time from current time, converts to days
- Continuously writes to output CSV