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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

DateUpdate
2026-05-04

UTF-8 to UTF-16 Conversion Support

New encode options available for Unicode message conversion:

  • utf8:utf16le - UTF-8 to UTF-16 Little Endian
  • utf8:utf16be - UTF-8 to UTF-16 Big Endian

When using UTF-8 encode options, DCS is automatically set to 8 - no need to specify DCS manually.

Perfect for messages with emoji, international characters, and Unicode content.

2026-04-06

Short Code and Hashed Address Recipients

Now supporting short codes and hashed addresses (up to 40 alphanumeric characters) as recipient values.

2025-10-23

Relaxed Account Age Requirements

Account, Sub-Account and From Age are no longer a requirement to submit AO queries.

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