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Integrate QR Code Generator API into your LangChain agent with SettleGrid's per-call billing. No subscriptions, no minimums — pay only for what you use.
A REST API service for generating QR codes from text or data input. Returns QR code images in various formats.
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 QR Code Generator 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_qr_code_generator_api_0gap_tool(**kwargs) -> str:
"""Call QRCodeGeneratorAPI via SettleGrid."""
resp = requests.post(
"https://proxy.settlegrid.ai/v1/qr_code_generator_api_0gap",
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
qr_code_generator_api_0gap_tool = StructuredTool.from_function(
func=call_qr_code_generator_api_0gap_tool,
name="qr_code_generator_api_0gap",
description="QRCodeGeneratorAPI — call via SettleGrid",
)
# Use in an agent
agent = create_openai_tools_agent(llm, [qr_code_generator_api_0gap_tool], prompt)
executor = AgentExecutor(agent=agent, tools=[qr_code_generator_api_0gap_tool])
result = executor.invoke({"input": "your query here"})Execute your LangChain agent. SettleGrid automatically meters each call to QR Code Generator 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 QR Code Generator API in your LangChain agent today.
View QR Code Generator API →Use QR Code Generator API with other agent frameworks: