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Market intelligence, over a clean API.

Access Nebula's sentiment, attention, narratives, and market-actor intelligence programmatically.

Get API keyRead the documentation

Build with live market intelligence.

Bring Nebula's sentiment, attention, narrative, and market-actor data into dashboards, trading systems, and AI agents.

Explore the APIRead the documentation
GET /v1/signals/NVDAREST API
RequestGET
curl https://api.hiddensystems.ai/v1/signals/NVDA \ -H "Authorization: Bearer $NEBULA_API_KEY"
Response200 OK
{ "symbol": "NVDA", "sentiment_score": 0.64, "mindshare": 0.083, "attention_velocity": 1.84, "institutional_bullish": 0.74}
APIMCPCLI

The market layer behind Nebula.

Sentiment

Bullish, bearish, and neutral market conversation for every covered asset.

Attention

Mindshare, post volume, and attention velocity across the market.

Narratives

Structured events and themes ranked by market significance.

Market actors

Signals from the investors, analysts, institutions, and accounts moving markets.

Start building in minutes.

01

Create a key

Generate an API key from the Nebula API portal.

02

Make a request

Call the endpoint you need with one bearer token.

03

Build with the response

Use structured Nebula data in your product, agent, or workflow.

Choose how to get started

Build on your own

Launch your market-intelligence product with:

  • Live market intelligence in the Nebula app
  • API, MCP, and CLI access
  • Usage-based plans that scale
  • Comprehensive documentation and guides
Start Building

Get extra support

Custom limits and hands-on support for your team.

  • Dedicated onboarding support
  • Custom rate limits
  • Custom endpoint and data access
  • Commercial terms and invoicing
  • Early access to new capabilities
Contact Sales