# Nasdaq Data Link

**Canonical:** https://apis.io/providers/nasdaq-data-link/  
**Website:** https://data.nasdaq.com/  
**APIs profiled:** 3

Nasdaq Data Link (formerly Quandl) is Nasdaq's financial, economic, and alternative data platform, offering hundreds of free and premium datasets from publishers like Zacks, Sharadar, QuoteMedia, and the World Bank. Data is delivered through a REST API for tables data, a REST API for real-time or delayed exchange data, and a streaming API (Nasdaq Cloud Data Service), with official Python, R, Excel, and CLI tooling.

## Kin Score — 37.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 37.8).

| Facet | Score |
|---|---|
| Discoverability | 100.0 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 50.0 |
| Developer Ergonomics | 58.3 |
| Commercial Clarity | 22.4 |
| Access Clarity | 22.4 |

Regulatory layer — **Securities & Market Data**: 55.0 (matched via tags).

## Agent readiness — 22.5 (agent-aware)

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

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (3)

- **Nasdaq Data Link Tables API** — REST API for tables data (datatables) — row and column filtered access to hundreds of financial, economic, and alternative datasets, with JSON, XML, and CSV formats, cursor-base...
- **Nasdaq Data Link REST API for Real-Time or Delayed Data** — REST API (Nasdaq Cloud Data Service) for real-time or delayed exchange data — Nasdaq Basic, Last Sale+, BBO, Global Index Data Service, and Smart Options — authenticated with cl...
- **Nasdaq Data Link Streaming API** — Streaming API (Nasdaq Cloud Data Service) for real-time products — Nasdaq Basic, Last Sale+, TotalView, Consolidated Quotes and Trades, Global Index Data Service, Smart Options,...

## MCP servers (1)

- **Nasdaq Data Link MCP Server**

## Security (2)

- **Nasdaq Data Link Authentication** — apiKey/oauth2/http-bearer · 3 schemes
- **Nasdaq Data Link Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Financial Data, Stock Market, Market Data, Economic Data, Alternative Data, Time Series, Open Data, Public APIs

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