# Morgan Stanley

**Canonical:** https://apis.io/providers/morgan-stanley/  
**Website:** https://www.morganstanley.com/  
**APIs profiled:** 6

Morgan Stanley is a global financial services firm that offers a wide range of services to individuals, corporations, and governments. The firm is known for its investment banking and wealth management services, helping clients raise capital, make strategic acquisitions, and manage their assets. Morgan Stanley also provides services in areas such as asset management, trading, research, and risk management. Its public developer surface is split between an invitation-only institutional API Platform at developer.morganstanley.com (OAuth 2.0 with certificate-based token exchange, REST and WebSocket, built to the OpenAPI Specification) and the genuinely public E*TRADE from Morgan Stanley brokerage API at developer.etrade.com (OAuth 1.0a, REST, with a sandbox).

## Kin Score — 29.3 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 29.3).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 0.0 |
| Governance | 18.2 |
| Contract Governance | 18.2 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 52.4 |
| Commercial Clarity | 23.7 |
| Access Clarity | 23.7 |

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

## Agent readiness — 18.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | documented |
| Error Semantics | documented |
| 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 |

## Access

Invitation-only institutional platform + public E*TRADE brokerage API — onboarding: unknown, pricing: unknown, trial: no (confidence: medium).

## APIs (6)

- **Morgan Stanley API Platform (REST)** — The institutional REST APIs on the Morgan Stanley API Platform let onboarded clients and third-party partners integrate Morgan Stanley data and services directly into their own ...
- **Morgan Stanley API Platform (WebSocket Streaming)** — Alongside its REST APIs, the Morgan Stanley API Platform exposes streaming WebSocket APIs for onboarded institutional clients who need low-latency, event-driven data feeds rathe...
- **E*TRADE from Morgan Stanley - Accounts API** — E*TRADE from Morgan Stanley operates a genuinely public, self-service developer platform whose REST Accounts API gives an authenticated E*TRADE user's authorized application acc...
- **E*TRADE from Morgan Stanley - Market Data API** — The E*TRADE from Morgan Stanley Market Data API is the market-data module of the public E*TRADE V1 REST platform. It provides real-time and delayed equity and option quotes, opt...
- **E*TRADE from Morgan Stanley - Order API** — The E*TRADE from Morgan Stanley Order API is the trading module of the public E*TRADE V1 REST platform, letting an authorized application list an account's orders and preview, p...
- **E*TRADE from Morgan Stanley - Alerts API** — The E*TRADE from Morgan Stanley Alerts API is the notifications module of the public E*TRADE V1 REST platform. It lets an authorized application list the alerts E*TRADE has gene...

## Security (3)

- **Morgan Stanley Authentication** — oauth1/oauth2 · 2 schemes
- **Morgan Stanley Domain Security** — TLSv1.2 · HSTS · DMARC
- **Morgan Stanley Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Morgan Stanley Plans Pricing**

## Tags

Financial, Investment Banking, Wealth Management, Brokerage, Market Data, Trading, Fortune 100, United States

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