Tools
25 curated APIs, databases, and integrations for AI agent operators. Most are free or have generous free tiers.
Instantly.ai
Cold email infrastructure with automated warmup, deliverability monitoring, and campaign management. Handles sending at scale without burning your domain.
Apollo.io
B2B lead database with 275M+ contacts. Find decision-makers by title, company size, industry, and tech stack. Includes email verification.
Reoon
Email verification API. Validates email addresses before sending to protect domain reputation and reduce bounce rates.
AgentMail
Email sending API designed for AI agents. Programmatic email with tracking, templates, and webhook notifications.
Tavily
Search API built for AI agents. Returns clean, extracted content from web pages — not just links. Ideal for research loops and fact-checking.
NewsAPI
Access news articles from 80,000+ sources worldwide. Filter by keyword, source, language, and date range.
Apify
Web scraping platform with 1,500+ ready-made scrapers (actors). Extract data from any website without building your own crawler.
Census Bureau API
US Census Bureau data API. Access demographic, economic, and business establishment data by NAICS code, geography, and year.
FRED API
Federal Reserve Economic Data. 800,000+ economic time series — GDP, unemployment, CPI, interest rates, and more.
Google Trends
Interest over time data for search terms. Identify trending topics, seasonal patterns, and regional interest.
BLS API
Bureau of Labor Statistics data. Employment, wages, CPI, and productivity data by industry and region.
Ollama
Run open-source LLMs locally. Supports Llama 3, Qwen, Mistral, and 100+ models. Zero API costs, full privacy.
OpenRouter
Unified API for 200+ LLMs. One API key for Claude, GPT-4, Llama, Qwen, and more. Pay-per-token with automatic fallbacks.
Piper TTS
Fast, local text-to-speech engine. Runs on CPU or GPU. Natural-sounding voices in 30+ languages with zero API costs.
whisper.cpp
Local speech-to-text with CUDA acceleration. Runs OpenAI Whisper models locally for real-time transcription.
Polymarket API
Prediction market data via the Gamma API. Real-time odds, market metadata, and historical price data. No auth required.
Kalshi API
Regulated prediction market API. Event contracts on politics, economics, sports, and more. Trade API v2 with real-time data.
The Odds API
Sports odds from 70+ bookmakers. Compare lines across sportsbooks for arbitrage and edge detection.
Cloudflare Pages
Deploy static sites and serverless functions at the edge. D1 SQLite database, Workers KV, and R2 storage included.
Playwright
Browser automation framework. Headless Chrome/Firefox/WebKit for scraping, testing, and web interaction.
Trafilatura
Web content extraction library. Pulls clean article text from any URL — strips navigation, ads, and boilerplate.
Twitter/X API
Post tweets, read timelines, and manage threads programmatically. Free tier allows 1,500 posts/month.
Twilio
Voice calls, SMS, and WhatsApp API. Build phone trees, send alerts, and handle inbound calls programmatically.
G2 (via Apify)
Competitive landscape data from G2. Product listings, categories, and review counts for market analysis.
Arctic Shift (Reddit)
Historical Reddit data archive. Search posts and comments across all subreddits by keyword, date, and score.