# Alpha Vantage

**Canonical:** https://apis.io/providers/alpha-vantage/  
**Website:** https://www.alphavantage.co/  
**APIs profiled:** 1

Alpha Vantage provides a single REST market-data API at https://www.alphavantage.co/query exposing 100+ functions across stocks (intraday/daily/weekly/monthly time series, global quote), fundamentals (income statement, balance sheet, cash flow, earnings), forex, crypto, commodities, economic indicators, technical indicators (50+ TA functions), Alpha Intelligence (news, sentiment, insider transactions, top gainers/losers), and options data. Authentication is by apikey query parameter; output is JSON or CSV.

## Kin Score — 57.7 / 100 (strong)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 57.7).

| Facet | Score |
|---|---|
| Discoverability | 87.0 |
| Contract Quality | 41.9 |
| Governance | 41.7 |
| Contract Governance | 41.7 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 75.6 |
| Commercial Clarity | 60.5 |
| Access Clarity | 60.5 |

Regulatory layer — **Securities & Market Data**: 68.3 (matched via tags).

## Agent readiness — 52.1 (agent-native)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | documented |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (1)

- **Alpha Vantage Stock Time Series API** — Intraday, daily, weekly, and monthly stock price and volume data

## MCP servers (1)

- **Alpha Vantage MCP Server**

## Agentic access (1)

- **Alpha Vantage Agentic Access** — 1 operation

## Security (2)

- **Alpha Vantage Authentication** — apiKey/oauth2 · 2 schemes
- **Alpha Vantage Domain Security** — TLSv1.3

## Plans (1)

- **Alpha Vantage Plans Pricing**

## Tags

Fintech, Market Data, Stocks, FX, Crypto, Commodities, Economic Indicators, Technical Indicators, Fundamentals, News, Sentiment, Free

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/alpha-vantage/). Scores are computed from the provider's own public artifacts under a published rubric.