langchain-agentpayment 0.1.0

LangChain tools for AgentPayment Network — autonomous agent-to-agent payments

langchain-agentpayment

LangChain tools for AgentPayment Network — autonomous agent-to-agent payments across crypto, card, and ACH.

Installation

pip install langchain-agentpayment

Quick Start

from langchain_agentpayment import AgentPaymentToolkit
from langchain_openai import ChatOpenAI
from langchain.agents import create_tool_calling_agent, AgentExecutor
from langchain_core.prompts import ChatPromptTemplate

# Initialize toolkit
toolkit = AgentPaymentToolkit(api_key="apn_your_key_here")
tools   = toolkit.get_tools()

# Create agent
llm    = ChatOpenAI(model="gpt-4o")
prompt = ChatPromptTemplate.from_messages([
    ("system", "You are an autonomous agent that can send and receive payments."),
    ("human", "{input}"),
    ("placeholder", "{agent_scratchpad}"),
])
agent    = create_tool_calling_agent(llm, tools, prompt)
executor = AgentExecutor(agent=agent, tools=tools, verbose=True)

# Run
executor.invoke({"input": "Create an invoice for agent_abc for $5 for API usage"})
executor.invoke({"input": "Set a billing rule to auto-pay up to $10 from provider_xyz via crypto"})
executor.invoke({"input": "Set a circuit breaker with max $100/day spend limit"})

Available Tools

Tool	Description
create_invoice	Bill a consumer agent for services rendered
approve_invoice	Manually approve and pay a pending invoice
set_billing_rule	Auto-approve invoices from a provider
check_invoice_status	Check status of an invoice
list_invoices	List sent/received invoices
create_recurring_billing	Set up recurring billing (Model A or B)
set_circuit_breaker	Set daily spend/transaction limits

Pricing

Volume-based, dual-sided:

• 0–10k requests/month: 1% consumer + 1% provider
• 10k–20k: 0.9% each side
• 20k+: 0.8% each side

Links

• Docs
• PyPI
• GitHub