Agent Payments Python Packages

a2a-greenhelix-sdk

Agent-to-agent payments, escrow and formal verification services

sardis-sdk

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-core

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

xenarch

Python & TypeScript SDKs for Xenarch — payment middleware for AI agents and publishers

agoragentic

Agent OS integrations for deployed agents: smart routing, execute-first tools, Micro ECF exports, x402 calls, receipts, and Base USDC settlement.

sardis-cli

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-chain

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-wallet

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-api

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

observer-protocol

Python SDK for Observer Protocol — agent identity, delegation, x402 verification, and chargeback prevention

sardis-ledger

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-checkout

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-protocol

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-a2a

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-ucp

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

sardis-guardrails

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

crewai-pqsafe

Post-quantum-ready compliance ledger for AI agent payments. AP2/ACP/x402-compatible SpendEnvelopes signed with ML-DSA-65 (FIPS 204). Built for the HKMA Quantum Preparedness Index era.

langchain-pqsafe

LangChain integration for PQSafe AgentPay — post-quantum safe payments for AI agents

pqsafe-agent-pay

Post-quantum-ready compliance ledger for AI agent payments. AP2/ACP/x402-compatible SpendEnvelopes signed with ML-DSA-65 (FIPS 204). Built for the HKMA Quantum Preparedness Index era.

sardis-autogpt

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

voidly-pay-llamaindex

Off-chain credit ledger + hire marketplace for AI agents. Ed25519-signed envelopes, atomic settlement, hire-and-release escrow. https://voidly.ai/pay

pqsafe

PQSafe AgentPay — umbrella package. Installs pqsafe-agent-pay (the SDK).

sardis-crewai

Open-source financial authority layer for AI agents: signed mandates, policy-gated execution, approvals, revocation, and audit evidence before money moves.

voidly-pay-autogen

AutoGen tools for Voidly Pay — drop-in agent-to-agent payments. USDC-backed, x402, signed envelopes. Live on Base mainnet.