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Integrate Link Preview API into your LangChain agent with SettleGrid's per-call billing. No subscriptions, no minimums — pay only for what you use.
Extract metadata, Open Graph data, and preview info from any URL. Returns title, description, image, favicon, and domain information.
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 Link Preview API, 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_opik_analytics_api_tool(**kwargs) -> str:
"""Call LinkPreviewAPI via SettleGrid."""
resp = requests.post(
"https://proxy.settlegrid.ai/v1/opik_analytics_api",
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
opik_analytics_api_tool = StructuredTool.from_function(
func=call_opik_analytics_api_tool,
name="opik_analytics_api",
description="LinkPreviewAPI — call via SettleGrid",
)
# Use in an agent
agent = create_openai_tools_agent(llm, [opik_analytics_api_tool], prompt)
executor = AgentExecutor(agent=agent, tools=[opik_analytics_api_tool])
result = executor.invoke({"input": "your query here"})Execute your LangChain agent. SettleGrid automatically meters each call to Link Preview API 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 Link Preview API in your LangChain agent today.
View Link Preview API →Use Link Preview API with other agent frameworks: