# State Street

**Canonical:** https://apis.io/providers/state-street/  
**Website:** https://www.statestreet.com  
**APIs profiled:** 11

State Street Corporation is one of the world's largest financial services companies, headquartered in Boston, Massachusetts. Founded in 1792, State Street provides investment servicing, investment management, investment research, and trading services to institutional investors including mutual funds, collective investment funds, corporate and public retirement plans, insurance companies, foundations, and endowments. State Street manages approximately $4.7 trillion in assets under management through State Street Global Advisors and services nearly $40 trillion in assets under custody. The company operates the State Street Alpha front-to-back investment management platform, Fund Connect for ETF creation and redemption, and Charles River Development for investment management technology. State Street's developer portal at developer.statestreet.com provides OAuth 2.0-secured APIs enabling institutional clients to programmatically access portfolio data, transaction history, NAV calculations, analytics, and ETF order management. APIs follow REST conventions with OpenAPI 3.0 specifications, JSON data format, and JSON Schema documentation.

## Kin Score — 38.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.8).

| Facet | Score |
|---|---|
| Discoverability | 59.3 |
| Contract Quality | 65.0 |
| Governance | 25.0 |
| Contract Governance | 25.0 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 50.0 |
| Commercial Clarity | 13.2 |
| Access Clarity | 13.2 |

## Agent readiness — 40.9 (agent-ready)

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

## Access

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

## APIs (11)

- **Investment Accounting API** — The State Street Investment Accounting API provides institutional clients with access to portfolio accounting data including net asset value (NAV) calculations, position valuati...
- **Performance Analytics API** — The State Street Performance Analytics API (TrueView) provides institutional investors and asset managers with access to investment risk analytics, performance attribution, scen...
- **Sample Transactions API** — The State Street Sample Transactions API is a reference and onboarding API provided in the developer portal to help new integration teams understand the authentication flow, req...
- **State Street Baskets API** — ETF portfolio composition basket operations
- **State Street Funds API** — ETF fund information operations
- **State Street Orders API** — ETF creation and redemption order operations
- **State Street Performance API** — Performance measurement and attribution operations
- **State Street Portfolios API** — Portfolio and account management operations
- **State Street Positions API** — Portfolio position and holdings operations
- **State Street Risk API** — Risk analytics and exposure operations
- **State Street Transactions API** — Transaction history and settlement operations

## Agentic access (1)

- **State Street Agentic Access** — 13 operations · 2 acting

## Security (2)

- **State Street Authentication** — oauth2 · 1 scheme
- **State Street Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **State Street Plans Pricing**

## Tags

Fortune 500

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