Indian Stock Market API

REST API for AI predictions, institutional flows, convergence scores, and fundamental data · Built for fintech developers

20+Endpoints
500+NSE Stocks
JSON& CSV
Free1K calls/mo

Quick Start

curl -H "X-API-Key: YOUR_KEY" \ "https://api.dalalai.com/v1/predictions?format=json" # Response (200 OK, gzip compressed) { "status": "success", "data": [ { "symbol": "RELIANCE", "prediction": "BULLISH", "confidence": 78, "dvm_score": 82, "convergence": 75, "signals_active": 5 } ], "meta": { "count": 500, "date": "2026-03-23" } }

Available Endpoints

GET/v1/predictionsDaily AI predictions
GET/v1/convergenceMulti-signal convergence scores
GET/v1/smart-moneyInstitutional flow signals
GET/v1/fii-diiFII/DII daily flows
GET/v1/insider-tradingInsider buy/sell data
GET/v1/fundamentalsFinancial ratios & data
GET/v1/delivery-volumeDelivery volume analysis
GET/v1/earnings-calendarUpcoming results dates
GET/v1/market-regimeCurrent regime detection
GET/v1/breakout-scannerBreakout candidates
GET/v1/stocks/{symbol}Per-stock detail
POST/v1/webhooksConfigure push alerts

Features

🔑 API Key Authentication
Simple header-based auth. Generate keys from the dashboard with per-key endpoint scoping and rate limits.
📦 JSON & CSV
All endpoints support ?format=csv for spreadsheet-friendly output alongside default JSON.
⚡ Gzip Compression
Responses are automatically gzip-compressed when the client sends Accept-Encoding: gzip, reducing payload sizes by 70-80%.
🔔 Webhooks
Push notifications for price alerts, convergence spikes, and institutional flow changes. HMAC-signed payloads with retry and dead-letter queue.
📚 OpenAPI Spec
Full OpenAPI 3.0 specification available. Interactive Swagger explorer in the dashboard for testing endpoints.
🏢 Enterprise SSO
Enterprise tier includes SAML SSO integration, custom RBAC roles, and dedicated support for team onboarding.

Pricing

Free
₹0
forever
1,000 calls/month
Read-only endpoints
JSON format
Starter
₹1,999
/month
50,000 calls/month
All endpoints
JSON & CSV
Pro
₹9,999
/month
500,000 calls/month
Webhooks
Priority support
Enterprise
₹24,999
/month
Unlimited calls
SSO + RBAC
Dedicated support

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Frequently Asked Questions

What data sources does the API use?
We aggregate data from NSE/BSE official feeds, SEBI filings, corporate announcements, and our proprietary AI signal pipeline. All data is processed and served from our cloud infrastructure.
Is there rate limiting?
Yes — each tier has monthly call limits and per-second burst limits (10/s free, 50/s starter, 200/s pro, custom enterprise). Rate limit headers are included in every response.
Can I use the API in production?
Yes — the API is production-ready with 99.9% uptime SLA for paid tiers. Enterprise customers get a dedicated endpoint and SLA guarantee.
Do you have SDKs?
We provide JavaScript and Python SDKs. Community-maintained SDKs are available for other languages. All endpoints follow standard REST conventions.

📚 Related Guides

📺 Watch Demo

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Disclaimer: API data is provided for informational and educational purposes. It is not investment advice. Data accuracy depends on upstream sources and may contain delays. Use at your own risk. See our Terms of Service for full API usage terms.