# EVIO API > MCP-native financial data primitives for AI agents. Reasoned, > decision-shaped outputs with citations and confidence scores. > Public-co regulated; Colorado-incorporated; HQ Henderson, NV. > OTC: EVIO. Closed alpha. Mock JSON in final response shape; > live data integration targeted Q3 2026 as a transparent > provider swap. ## Quick start - MCP server: https://api.evioinc.com/mcp - REST base: https://api.evioinc.com/v1 - Auth: Bearer API key (get one at https://app.evioinc.com/sign-up?invite=alpha) - Docs: https://evioinc.com/api/docs - Capabilities manifest: https://api.evioinc.com/agent-capabilities (alias of /.well-known/agent-capabilities) - OpenAPI 3.1: https://api.evioinc.com/openapi.json - Schemas (open source): https://github.com/JpDeSilva17/evio-schemas ## Tools (8) - evio_options_unusual — Top N tickers with statistically unusual options activity, with reasoning trace and confidence - evio_factor_score — Multi-factor decomposition for a basket of tickers; factor exposures + composite score - evio_backtest_run — Submit a strategy spec; equity curve + Sharpe + drawdown. Sync, streaming, and async modes - evio_equity_research — Composite equity research package (rating, target, key drivers, comparable set) - evio_regime_classify — Macro regime classification (risk-on / risk-off / late-cycle) with confidence and history - evio_news_sentiment — Tone-vs-baseline news sentiment for a ticker over a window - evio_sec_filing — SEC filing structured summary with diff against prior filing of same form type - evio_portfolio_risk — VaR, expected shortfall, factor exposure for a submitted portfolio ## Response envelope Every response includes: - _meta: request_id, latency_ms, data_freshness (mock|shadow|live), tokens_estimated, version - _reasoning: ordered atomic reasoning steps (one sentence each) - _citations: each citation links a reasoning step to its data source - _confidence: score (0..1), label, factors[] - _links: canonical IDs surfaced + EVIO endpoints that accept them Optional opt-in via `include=` query param: _alternatives, _counterfactual, _suggestions. ## Conventions - Tickers: ISO 10383 MIC + symbol, e.g. XNAS:AAPL - Filings: SEC accession numbers - Pagination: cursor-based (?cursor=...&limit=50) - Field selection: ?fields=a,b,c (default slim shape; ?verbose=true returns full) - Idempotency: optional Idempotency-Key UUIDv4 header on POST - Errors: structured envelope with code, recoverable, hints[], docs_url ## Pricing - Indie: $99/mo, 50,000 calls, $0.002/call overage - Studio: $499/mo, 500,000 calls, $0.0015/call overage - Pro: $1,999/mo, 5,000,000 calls,$0.001/call overage - Enterprise: custom + SLA Closed alpha: $0 across all tiers until general availability. ## Status Closed alpha (May 2026). Eight endpoints live with mock data behind real auth and metering. Live market data: Q3 2026. ## Compliance EVIO Inc. is publicly traded on the OTC Current tier (OTC: EVIO). Colorado corporation, headquartered in Henderson, Nevada. Note: EVIO files annual and quarterly disclosures and audited financials through OTC Markets' alternative reporting standard. EVIO is NOT an SEC-registered issuer. This page contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. ## Optional - [Full reference (single file for LLM ingestion)](https://evioinc.com/llms-full.txt) - [API landing page](https://evioinc.com/api/) - [Endpoints catalog](https://evioinc.com/api/endpoints.html) - [Pricing](https://evioinc.com/api/pricing.html) - [Security & compliance](https://evioinc.com/api/security.html) - [Changelog](https://evioinc.com/api/changelog.html)