>_ best APIs & SDKs tools

The 8 top apis & sdks tools in the index, ranked by upvotes. No ads, no fluff — just the stack.

1. 01.
   Alva— Converts investment theses and market narratives into live playbooks with backtesting, automation, data APIs, and 24/7 agent execution

   Multi-assetAI AgentsFREE-$$· ▲ 0

   [↗] visit alva.ai[alternatives]
2. 02.
   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.

   Multi-assetResearchCALL· ▲ 0

   [↗] visit bipsync.com[alternatives]
3. 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.

   Multi-assetData & APIsFREE· ▲ 0

   [↗] visit fred-mcp-server.amorelli.tech[alternatives]
4. 04.
   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.

   EquitiesScreenersFREE-$$· ▲ 0

   [↗] visit stockmarketscan.com[alternatives]
5. 05.
   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.

   Multi-assetAlt DataCALL· ▲ 0

   [↗] visit thinknum.com[alternatives]
6. 06.
   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.

   Multi-assetData & APIs$$-$$$$$· ▲ 0

   [↗] visit ivolatility.com[alternatives]
7. 07.
   Trading Economics— Provides access to 20 million economic indicators, forecasts, and financial data for 196 countries through web platform and API

   Multi-assetMacro DataFREE-CALL· ▲ 0

   [↗] visit tradingeconomics.com[alternatives]
8. 08.
   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.

   EquitiesData & APIsFREE· ▲ 0

   [↗] visit kwants.dev[alternatives]