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Integrate Rest Countries into your LangChain agent with SettleGrid's per-call billing. No subscriptions, no minimums — pay only for what you use.
REST Countries. Detailed country data including population, languages, currencies, and flags
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 Rest Countries, 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_rest_countries_tool(**kwargs) -> str:
"""Call RestCountries via SettleGrid."""
resp = requests.post(
"https://proxy.settlegrid.ai/v1/rest_countries",
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
rest_countries_tool = StructuredTool.from_function(
func=call_rest_countries_tool,
name="rest_countries",
description="RestCountries — call via SettleGrid",
)
# Use in an agent
agent = create_openai_tools_agent(llm, [rest_countries_tool], prompt)
executor = AgentExecutor(agent=agent, tools=[rest_countries_tool])
result = executor.invoke({"input": "your query here"})Execute your LangChain agent. SettleGrid automatically meters each call to Rest Countries and deducts from your credit balance. No rate limits beyond your purchased credits.
No subscriptions or minimums. Credits never expire. See full pricing details.
Purchase credits and start using Rest Countries in your LangChain agent today.
View Rest Countries →Use Rest Countries with other agent frameworks: