AI-powered support
Ask me anything about SettleGrid
Integrate Openaq into your LangChain agent with SettleGrid's per-call billing. No subscriptions, no minimums — pay only for what you use.
Global air quality measurements from thousands of monitoring stations.
LangChain is the leading framework for building applications powered by language models. It provides modular abstractions for chains, agents, and tool use.
pip install langchain langchain-communityPurchase credits for Openaq, then generate an API key from your Consumer Dashboard.
from langchain.tools import StructuredTool
from langchain.agents import AgentExecutor, create_openai_tools_agent
import requests
def call_openaq_tool(**kwargs) -> str:
"""Call Openaq via SettleGrid."""
resp = requests.post(
"https://proxy.settlegrid.ai/v1/openaq",
headers={
"x-api-key": "sg_live_your_key_here",
"Content-Type": "application/json",
},
json=kwargs,
)
resp.raise_for_status()
return resp.json()
# Wrap as a LangChain tool
openaq_tool = StructuredTool.from_function(
func=call_openaq_tool,
name="openaq",
description="Openaq — call via SettleGrid",
)
# Use in an agent
agent = create_openai_tools_agent(llm, [openaq_tool], prompt)
executor = AgentExecutor(agent=agent, tools=[openaq_tool])
result = executor.invoke({"input": "your query here"})Execute your LangChain agent. SettleGrid automatically meters each call to Openaq and deducts from your credit balance. No rate limits beyond your purchased credits.
No subscriptions or minimums. Credits never expire. See full pricing details.
Use Openaq with other agent frameworks: