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langchain-fastaf

LangChain tools for FastAF: Google SERP, Google News, Google Jobs, Amazon, eBay and page-to-Markdown APIs built for AI agents.

Install

pip install -U langchain-fastaf
export FASTAF_API_KEY="your-key"   # get one at https://fastaf.co/signup

Free tier: 2 calls after email verification. Pay per call with x402 from $0.003. See fastaf.co.

Tools

Class Endpoint Use
FastAFSearch /v1/serp Google web results
FastAFNews /v1/news Google News
FastAFJobs /v1/jobs Google Jobs
FastAFAmazon /v1/amazon Amazon search / product by ASIN
FastAFEbay /v1/ebay eBay search, sold listings, items (by URL)
FastAFPageToMarkdown /v1/scrape Any web page as Markdown

Usage

from langchain_fastaf import FastAFSearch, get_all_tools

search = FastAFSearch()
print(search.invoke({"query": "x402 payments", "results": 3}))

# With an agent
from langchain.agents import create_agent
agent = create_agent("openai:gpt-4.1-mini", tools=get_all_tools())
agent.invoke({"messages": [{"role": "user", "content": "Latest news on x402?"}]})

Development

pip install -e ".[test]" && pytest

Docs: https://fastaf.co/docs/ · License: MIT

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