Asterisk vs PostGrid
AsteriskBusiness VoIP
Free / Open SourcePublished price
PostGridCommunication APIs
Usage-basedPublished price
Asterisk Business VoIP Open-source communication framework powering IP PBX systems, VoIP gateways, and conference servers used by millions worldwide. | PostGrid Communication APIs Address verification and direct mail API. | |
|---|---|---|
| Overview | ||
| Category | Business VoIP | Communication APIs |
| What it is | Open-source communication framework powering IP PBX systems, VoIP gateways, and conference servers used by millions worldwide. | PostGrid automates direct mail with address verification, template customization, and mail tracking APIs, integrating with CRMs and business platforms for automated workflows. |
| Pricing | ||
| Published price | Free / Open Source Asterisk is free, open-source software released under the GPLv2. There is no paid tier or license fee for the framework itself. Commercial support, hardware, and hosted PBX produc… | Usage-based Usage/per-piece pricing (print + postage + address verification bundled per mailing). Starter tier free to test, limited to 500 mailings/mo at per-piece rates; subscription and en… |
| Pricing model | Not available | Usage-based |
| Free options | Free plan · No free trial | No free plan · No free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 1999 | 2018 |
| Team size | 51-200 employees | 51-200 employees |
| Headquarters | Williamsville, NY | Toronto, Canada |