The Social Intelligence layer for your stack

Real-time social sentiment, creator metrics, and market signals for 4,000+ cryptocurrencies, 2,000+ stocks, and millions of topics — delivered through a single REST API.

Three layers of intelligence

Every API response combines social, creator, and market data into a single unified view.

Topic Intelligence

Real-time social metrics for any cryptocurrency, stock, or cultural topic — from Bitcoin to Taylor Swift.

Metrics include sentiment, interactions, posts_active, social_dominance, contributors, galaxy_score.

Creator Intelligence

Profile-level data for millions of creators across X, YouTube, TikTok, and Reddit — who's influencing what.

Metrics include followers, engagements, post_frequency, engagement_rate, influence_score, network.

Market Signals

Proprietary scores that fuse social activity with price data — Galaxy Score, AltRank, and more.

Metrics include galaxy_score, alt_rank, market_cap, price, volume_24h, percent_change_24h.

Scale that matters

  • 4,000+ Cryptocurrencies with social + market data
  • 2,000+ Stocks & ETFs with social tracking
  • 100M+ Posts / day processed in real time
  • 10M+ Creators profiled across platforms
  • 6 Platforms X, Reddit, YouTube, TikTok, Instagram, News
  • 50+ Categories gaming, fashion, sports, politics...

One API, everything you need

RESTful endpoints with consistent JSON responses. No GraphQL complexity, no WebSocket setup.

  • /public/topic/:topic/v1 Topic summary — sentiment, posts, contributors, Galaxy Score Parameters: topic.
  • /public/topic/:topic/time-series/v1 Historical time-series for any topic Parameters: topic, interval, start.
  • /public/topics/list/v1 Paginated list of all available topics with social metrics Parameters: sort, limit.
  • /public/creator/:network/:id/v1 Creator profile — followers, engagement rate, post frequency Parameters: network, id.
  • /public/creators/list/v1 Top creators ranked by influence, engagement, or audience Parameters: topic, sort.
  • /public/coins/list/v2 Cryptocurrency rankings with Galaxy Score and AltRank Parameters: sort, limit.
  • /public/coins/:coin/time-series/v2 Coin social + market time-series data Parameters: coin, interval.
  • /public/coins/:coin/meta/v2 Coin metadata — market cap, volume, price, categories Parameters: coin.

Multiple ways to connect

REST API

Simple HTTPS endpoints that return JSON. Works with any language, any framework. Fetch data in a single call.

MCP Server

Connect LunarCrush directly to Claude, Cursor, or any MCP-compatible AI. The model reads live social data natively.

Agent Frameworks

Plug into LangChain, CrewAI, or custom agents. Give your AI tools real-time social awareness without building scrapers.

Built for builders

Trading Signals

Combine sentiment shifts with price action to surface trade setups before the crowd moves.

Portfolio Monitoring

Overlay social signals on your holdings to catch narrative shifts and sentiment divergences early.

Brand Tracking

Monitor how any brand, product, or public figure trends across social platforms in real time.

AI Agent Layer

Give your LLM agent live social context — sentiment, trending topics, creator activity — as a native tool.

Research

Backtest social signals, analyze creator networks, or study the relationship between sentiment and price.

Content Strategy

Identify trending topics and optimal posting times to maximize reach and engagement for your content.

Simple Bearer token auth

Generate an API key from your LunarCrush dashboard and pass it as a Bearer token in the Authorization header. No OAuth flows, no API secret rotation — just a single key that works everywhere.

  • Free tier — 500 requests/day, no credit card
  • Pro tier — unlimited requests, priority support
  • Rate limits returned in response headers

Frequently Asked Questions

What data is available through the LunarCrush API?

The API provides social sentiment, creator activity, Galaxy Score, AltRank, topic metrics, crypto market data, stock tracking, and historical time-series responses for supported topics.

How do developers authenticate API requests?

Developers generate an API key in LunarCrush and pass it with each request as a Bearer token in the Authorization header.

Which languages can use the LunarCrush API?

Any language that can send HTTPS requests and parse JSON can use the API, including JavaScript, Python, TypeScript, Go, Rust, Ruby, Java, C#, and PHP.