Agent Payments Python Packages

a2a-greenhelix-sdk

Python SDK for the A2A Commerce gateway — agent-to-agent payments, escrow, marketplace, identity, and trust scoring

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

Core AP2/TAP-aligned domain primitives for the Sardis stablecoin execution layer

xenarch

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

agoragentic

Official Python SDK for Agoragentic, the machine-first utility marketplace for pay-per-use agent services on Base L2

sardis-cli

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

observer-protocol

Observer Protocol — Verified Agent Credentials (VAC) for the agentic economy. Cryptographic verification layer for autonomous economic agents.

sardis-chain

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

runcycles-ap2

Cycles runtime authority guard for Google AP2 (Agent Payments Protocol) — reserve, commit, release around AP2 payment mandates to prevent mandate reuse, double-spend, and concurrent checkout attempts.

crewai-pqsafe

CrewAI integration for PQSafe AgentPay — post-quantum safe payments for AI crews

sardis-wallet

Wallet orchestration and spending policy engine for Sardis

sardis-ledger

Production-grade append-only ledger with row-level locking, batch processing, and blockchain reconciliation

sardis-api

FastAPI gateway for Sardis stablecoin execution

langchain-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.

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.

aifinpay-agent

Non-custodial multi-facilitator x402 client for autonomous AI agents (AiFinPay native + Coinbase x402 detection)

sardis-checkout

Agentic Checkout surface for Sardis - PSP routing and orchestration

sardis-protocol

AP2/TAP mandate schemas and verifiers for Sardis

sardis-a2a

Agent-to-Agent (A2A) protocol integration for Sardis

sardis-ucp

Universal Commerce Protocol (UCP) integration for Sardis

sardis-guardrails

Runtime safety guardrails for Sardis agent payments: circuit breakers, kill switches, rate limiting, and behavioral monitoring

ergo-agent-pay

Accord Protocol — the open agreement protocol for autonomous agent work. Specs, SDKs, Accord/MCP, Accord/402, verification & settlement receipts, Ergo/Rosen/Base/x402 rails, and conformance. Testnet-first; mainnet gated by signed audit manifests.

sardis

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

sardis-autogpt

Sardis payment blocks for AutoGPT - policy-controlled AI agent payments