>_ best APIs & SDKs tools
The 32 top apis & sdks tools in the index, ranked by upvotes.
- 01.Valyu - Finance— Provides web search and specialized data APIs for AI agents covering SEC filings, clinical trials, patents, market data, and macro sources through a unified interface.
- 02.TradeOdds— Analyzes historical patterns by matching current market conditions against 30+ years of data across 2,000+ stocks, ETFs, and crypto to calculate base rates for specific moves.
- 03.FRED MCP Server— Provides MCP server access to 800,000+ Federal Reserve Economic Data time series with built-in transformations, search, and browsing capabilities for AI assistants and developers.
- 04.Arkolith— Provides SEC 13F institutional holdings, Form 4 insider trades, and congressional disclosures through MCP and REST API with per-datapoint provenance to primary SEC filings.
- 05.AltIndex— Tracks social media mentions, sentiment, and alternative data signals across Reddit, Twitter, and other platforms for 2,500+ stocks, ETFs, and cryptocurrencies with historical time series and real-time alerts
- 06.Octagon AI— Generates AI research reports comparing model probabilities to live prediction market prices for Kalshi contracts, with cited sources and real-time repricing.
- 07.The 13F— Transforms SEC Form 13F filings from 8,600+ institutional managers into structured intelligence reports showing trades separated from price drift
- 08.VestMap— Provides 1,000+ source-cited GIS fields for any US address across multiple geographic scales, accessible via web, API, and MCP server for AI agents.
- 09.Stax Labs— Builds and backtests rule-based stock strategies against historical data, then executes them via paper trading or connected brokerages
- 10.Blocksquare— Provides blockchain infrastructure to tokenize real estate properties into fractional ownership tokens on Ethereum and IPFS
- 11.AskEdgar— Extracts structured data from SEC filings in real time, monitors dilution events, offerings, registrations, and compliance status, delivering proprietary datasets and alerts via API and web platform.
- 12.Itô Research Grant— Provides free authenticated API access to prediction market data, basket analytics, and hosted backtesting infrastructure for researchers and academics.
- 13.String AI— Scrapes structured data from websites using AI-generated scrapers with automated maintenance, proxy infrastructure, and data quality monitoring.
- 14.EODHD— Provides REST and WebSocket financial data APIs covering 60+ exchanges, 150K+ tickers, 30 years of historical EOD/intraday prices, fundamentals, options, forex, crypto, and macroeconomic indicators
- 15.Twelve Data— Provides REST API and WebSocket access to real-time and historical market data for stocks, forex, crypto, ETFs, commodities, and fundamentals across 250+ exchanges.
- 16.You.com Finance Research API— Provides cited, multi-step financial research API delivering structured intelligence from filings, macro data sources, and licensed S&P Global data with inline citations and source reconciliation
- 17.CountryRisk.io— Provides country risk scores, sovereign ratings, and AML/ESG assessments for 200 countries with AI-powered workflows and API access
- 18.Quiver Quantitative— Aggregates alternative data on congressional trading, insider transactions, hedge fund activity, lobbying, government contracts, and corporate political contributions for equity research.
- 19.Insilico Terminal— Provides a multi-exchange crypto trading interface with visual and CLI order entry, institutional-grade execution algorithms, and low-latency order routing across centralized exchanges.
- 20.ChartMystic— Combines 15 smart money signals into a single live directional bias indicator for TradingView and generates PineScript strategies from natural language descriptions.
- 21.Shortcut— Generates and edits Excel spreadsheets from natural language prompts using AI agents trained for financial modeling and spreadsheet automation
- 22.Terminal X— Indexes petabyte-scale internal and external financial data at cell and sentence level for AI-powered investment research and decision-making across multiple asset classes.
- 23.Clear Street Omni AI— Provides AI-assisted trading workflow covering research, order structuring, and execution across equities and options with natural language prompts and institutional-grade API infrastructure.
- 24.Pinecone— Provides a managed vector database for semantic search, recommendations, and RAG workflows at production scale
- 25.Alva— Converts investment theses and market narratives into live playbooks with backtesting, automation, data APIs, and 24/7 agent execution
- 26.Bipsync— Centralizes investment research from emails, documents, and third-party providers into a structured workspace with AI-assisted tagging and collective intelligence tools for institutional teams.
- 27.StockMarketScan— Provides 24 curated US equity screeners, unusual options activity tracking, options flow analysis with bullish/bearish signals, and chart pattern detection across momentum, technical, dividend, and fundamental setups.
- 28.Thinknum— Provides alternative data scraped from the web covering store locations, job listings, product pricing, real estate listings, car inventories, and app engagement metrics across 450,000+ companies.
- 29.IVolatility— Provides institutional-grade historical and real-time options data via API, including implied volatility, Greeks, full chains, and volatility surfaces across 20+ years of equity and futures options markets.
- 30.Trading Economics— Provides access to 20 million economic indicators, forecasts, and financial data for 196 countries through web platform and API
- 31.Tiingo— Provides financial market data APIs covering equities, ETFs, crypto, forex, and fundamentals with historical and real-time access.
- 32.Kwants— Provides a self-hosted Python library for downloading Polygon flat-file data, building point-in-time ticker universes with adjustments, and running backtests against 1m/5m/daily bars using a declarative DSL for entry/exit conditions.
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