Proofpoint
Platform for Mobile Sender Security
PMSS API ensures clean, secure A2P messaging with real-time analysis for compliance and abuse mitigation.
About PMSS API
The Platform for Mobile Sender Security (PMSS) API is an interface for accessing cloud-based PMSS. PMSS is built on Proofpoint's Cloudmark Safe Messaging Cloud infrastructure and is an industry-leading tool for protecting A2P messaging streams from abuse, spam, and other unwanted content.
Offering real-time message analysis and mitigation, it enables Campaign Service Providers (CSPs) and Connectivity Partners (CNPs) to focus on their messaging business while maintaining compliance and safeguarding their reputation by delivering clean, consistent messaging to the mobile network.
Updates
| Date | Update |
|---|---|
| 2026-04-06 | Short Code and Hashed Address RecipientsNow supporting short codes and hashed addresses (up to 40 alphanumeric characters) as recipient values. |
| 2025-10-23 | Relaxed Account Age RequirementsAccount, Sub-Account and From Age are no longer a requirement to submit AO queries. |
| 2025-07-23 | Category ParameterNew optional "category" parameter for submissions for content drift detection. See API Docs for details. From Format SupportSupport for senders extended to include the following formats:
Endpoint Rate-LimitsRate-limits and responses defined for all endpoints. Please see the 429 response sections. |