🔒 Patent Pending • Signed Payload Security

Agent-to-Secure Payload Authorization

The cryptographic firewall for AI agents. Every autonomous action is signed, verified, authorized, and monitored with enforced permissions and comprehensive audit trails.

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Why Every Agent Needs A2SPA

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Cryptographic Signatures

Every payload must be SHA-256 hashed and signed with the agent's private key for complete verification.

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Agent Permissions & Toggle

Granular control over agent send/receive permissions with instant ON/OFF toggle capabilities.

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Nonce Replay Protection

Prevents replay attacks with unique nonce verification and 24-hour TTL storage.

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ROI Tracking Per Agent

Track time saved and dollar value generated by each agent with detailed analytics.

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Pay-as-you-go Billing

Simple $0.01 per verification with transparent usage tracking and real-time balance updates.

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Tamper-proof Audit Trail

Complete logging of all agent interactions with CSV export and expandable log details.

How A2SPA Protects Your Agents

A2SPA addresses the critical "Payload Trust Gap" - where all upstream security layers assume incoming payloads are legitimate without verification.

The A2SPA Control Layer sits at the execution boundary, providing cryptographic verification before any agent action is executed. This ensures Authenticity, Authorization, Non-repudiation, Integrity, Identity Binding, and Version Control.

Without A2SPA, orchestration layers, tool schemas, sandboxing, permissions, guardrails, and logging all operate on the assumption that payloads are legitimate - creating the vulnerability that enables every agent exploit.

The 7 Layers of the AI Agent Stack

A2SPA operates as Layer 5 - the critical Trust Layer that every AI agent framework needs

Many AI agent stacks leave payload trust to the application layer. A2SPA (Agent-to-Secure Payload Authorization) adds a dedicated cryptographic control layer so autonomous actions can be verified, authorized, and audited before execution.

How A2SPA Compares

This table highlights whether these security controls are built into the default protocol or framework workflow, not whether teams could build custom equivalents themselves.

Security Feature	A2SPA	MCP	A2A	ACP	ANP	LangChain	AWS Bedrock
Payload Signing	✅	❌	❌	❌	❌	❌	❌
Nonce/Replay Protection	✅	❌	❌	❌	❌	❌	❌
Permission Mapping	✅	❌	❌	❌	✅	❌	❌
Audit Logging	✅	❌	❌	❌	❌	❌	❌
ROI Tracking	✅	❌	❌	❌	❌	❌	❌
Zero-Trust Ready	✅	❌	❌	❌	❌	❌	❌