# IEX Cloud

**Canonical:** https://apis.io/providers/iex-cloud/  
**Website:** https://www.iexcloud.io/  
**APIs profiled:** 1

IEX Cloud was a cloud-based financial data platform from IEX Group offering market data, fundamentals, news, options, and reference APIs at https://cloud.iexapis.com/v1. The service was sunset on August 31, 2024 by IEX Group. The entry below is preserved as historical reference for migration patterns; endpoints are no longer reachable.

## Kin Score — 24.1 / 100 (emerging)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 24.1).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 50.0 |
| Developer Ergonomics | 38.1 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

Regulatory layer — **Securities & Market Data**: 30.0 (matched via tags).

## Agent readiness — 5.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: medium).

## APIs (1)

- **IEX Cloud Core Data API (sunset)** — Real-time and historical US equity quotes, intraday and historical prices, OHLCV charts, news, dividends, splits, options chains, fundamentals, and corporate actions. Pricing wa...

## Security (2)

- **Iex Cloud Authentication** — apiKey · 2 schemes
- **Iex Cloud Domain Security** — TLSv1.3

## Plans (1)

- **Iex Cloud Plans Pricing**

## Tags

Fintech, Market Data, Stocks, Reference, Sunset, Historical

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