Cite-Finance API
Production-grade financial data API with AI-powered synthesis
Overview
Cite-Finance provides SEC EDGAR data, market data, and financial calculations through a clean REST API with built-in AI synthesis capabilities.
What Makes Cite-Finance Different
β Zero Hallucination
Pure structured JSON responses - no LLM inference, no made-up numbers.
β‘ Lightning Fast
Sub-300ms p95 latency with 99.9% SLA (Pro tier).
π Consistency Scores
Cross-source validation gives you a 0-1 confidence metric on every response.
π SEC Citations
Every data point includes direct links to source filings - perfect for compliance.
π€ LLM-Ready Format
format=llm option returns prompt-ready text snippets with metadata.
π‘οΈ Production Grade
Sentry monitoring, Stripe billing, Redis caching, full observability.
Architecture
cite-finance-api/
βββ src/
β βββ api/ # API routes (FastAPI)
β βββ core/ # Business logic (calculations, metrics)
β βββ data_sources/ # Plugin-based data source adapters
β βββ auth/ # API key management
β βββ billing/ # Stripe integration, usage tracking
β βββ middleware/ # Rate limiting, auth
β βββ models/ # Pydantic models
β βββ utils/ # Shared utilities
βββ tests/ # Test suite
βββ docs/ # API documentation
βββ config/ # Configuration filesQuick Start
Installation
pip install -r requirements.txtConfiguration
cp .env.example .env
# Edit .env with your API keysRun
uvicorn src.main:app --reloadAPI Documentation
Once running, visit: http://localhost:8000/docs
Pricing
Tier | Price | Calls/Month | Key Features |
Free | $0 | 50 | Basic metrics, testing |
Starter | $49 | 2,000 | LLM answers, citations, consistency |
Professional | $199 | 10,000 | All features, 99.9% SLA |
Enterprise | $999 | Unlimited | Custom metrics, dedicated support |
Quick Start
1. Get Your API Key
curl -X POST https://api.cite-finance.io/api/v1/auth/register \
-H "Content-Type: application/json" \
-d '{"email": "you@company.com"}'2. Make Your First Request
curl -H "X-API-Key: your_key" \
"https://api.cite-finance.io/api/v1/answers?ticker=AAPL&metric=revenue_ttm&format=json"3. Get Structured, Cited Data
{
"ticker": "AAPL",
"metric": "revenue_ttm",
"value": 383285000000,
"unit": "USD",
"period": "TTM",
"as_of": "2024-09-30",
"sources": [
{
"type": "sec_filing",
"filing": "10-K",
"url": "https://www.sec.gov/...",
"excerpt": "Total net sales: $383,285 million"
}
],
"consistency_score": 0.96,
"retrieved_at": "2025-11-24T12:00:00Z"
}Key Benefits:
β Structured JSON (no hallucination)
β SEC citations with URLs
β 96% consistency score
β Sub-300ms response time
Use Cases
AI Chatbots: Financial Q&A with verified sources
Trading Bots: High-confidence data for algorithmic trading
Dashboards: Real-time financial metrics with citations
Research Tools: Compliance-ready data with SEC links
Documentation
Built For
LLM-first financial applications that need:
Structured data (no hallucination)
Verified sources (SEC citations)
High confidence (consistency scores)
Production speed (<300ms)
Ready to launch? See DEPLOYMENT_CHECKLIST.md
License
Proprietary - All Rights Reserved