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Machine-readable access to NEXUS signal convergence scores, regime detection states, calibrated predictions with Brier scoring, and game theory scenario analysis. Built for quant models, research pipelines, and intelligence dashboards.
1. Generate an API key from your NEXUS settings page
# Your key is shown once at creation. Store it securely.
# Format: sk-nxs-{32 hex characters}2. Make your first request
curl -H "Authorization: Bearer sk-nxs-your-key-here" \
https://nexushq.xyz/api/v1/signals?min_intensity=33. Response envelope
{
"data": { ... },
"meta": {
"timestamp": "2026-03-13T12:00:00.000Z",
"tier": "analyst"
}
}All requests require a Bearer token in the Authorization header. API keys are scoped to specific endpoints. Include the required scope when generating your key.
signalsSignal convergence datapredictionsPredictions + accuracy statsregimeRegime detection statesgame_theoryGame theory scenariosthesesIntelligence thesesmarketMarket quotes| Tier | Per Minute | Per Hour | Per Day |
|---|---|---|---|
| Analyst | 30 | 500 | 5,000 |
| Operator | 120 | 2,000 | 20,000 |
| Institution | 600 | 10,000 | 100,000 |
Rate limit headers: X-RateLimit-Remaining, X-RateLimit-Reset. 429 responses include Retry-After.
| Status | Code | Description |
|---|---|---|
| 401 | missing_api_key | No Authorization header provided |
| 401 | invalid_api_key | Key is malformed, revoked, or not found |
| 403 | insufficient_scope | Key lacks required scope for this endpoint |
| 403 | insufficient_tier | Subscription tier too low for this endpoint |
| 403 | api_access_disabled | API access not included in your tier |
| 429 | rate_limited | Rate limit exceeded. Check Retry-After header |
| 500 | internal_error | Server error. Contact support if persistent |
Generate your API key and start integrating NEXUS intelligence into your pipeline.