LangChain

pip install langchain-boltzpay

from langchain_openai import ChatOpenAI
from langchain.agents import create_tool_calling_agent, AgentExecutor
from langchain_core.prompts import ChatPromptTemplate
from langchain_boltzpay import (
    BoltzPayFetchTool,
    BoltzPayQuoteTool,
    BoltzPayDiscoverTool,
)

tools = [BoltzPayDiscoverTool(), BoltzPayQuoteTool(), BoltzPayFetchTool()]
llm = ChatOpenAI(model="gpt-4o-mini")

prompt = ChatPromptTemplate.from_messages([
    ("system", "You are a researcher. Use BoltzPay to access paid APIs."),
    ("human", "{input}"),
    ("placeholder", "{agent_scratchpad}"),
])

agent = create_tool_calling_agent(llm, tools, prompt)
executor = AgentExecutor(agent=agent, tools=tools)

result = executor.invoke({"input": "Check the price of invy.bot/api"})

export COINBASE_API_KEY_ID="your-key-id"
export COINBASE_API_KEY_SECRET="your-key-secret"
export COINBASE_WALLET_SECRET="your-wallet-secret"

from langchain_boltzpay import BoltzPayFetchTool

fetch = BoltzPayFetchTool()
result = fetch._run(url="https://invy.bot/api")
print(result)  # Paid API response with payment receipt

from langchain_boltzpay import BoltzPayFetchTool
from langchain_boltzpay.errors import (
    BoltzPayBridgeError,
    BoltzPayNodeNotFoundError,
    BoltzPayTimeoutError,
)

try:
    tool = BoltzPayFetchTool()
    tool._run(url="https://example.com/api")
except BoltzPayNodeNotFoundError:
    print("Install Node.js 20+ from https://nodejs.org")
except BoltzPayTimeoutError:
    print("CLI command timed out (default: 30s)")
except BoltzPayBridgeError as e:
    print(f"CLI error [{e.code}]: {e.message}")