# BNY (Bank of New York Mellon)

**Canonical:** https://apis.io/providers/bny-bank-of-new-york-mellon/  
**Website:** https://www.bny.com  
**APIs profiled:** 5

BNY (rebranded from BNY Mellon in 2024, NYSE ticker changed from BK to BNY in May 2026) is the world's largest custodian bank, overseeing approximately $59.4 trillion in assets under custody and/or administration and $2.1 trillion in assets under management as of Q1 2026. BNY operates across Securities Services, Market & Wealth Services, and Investment & Wealth Management, with brand families including Pershing (clearing and custody for wealth managers, parent of NetX360+ and the Wove platform), Eagle Investment Systems (investment data management), Albridge (wealth data aggregation), BNY Markets (FX, securities finance, capital markets), and BNY Investments. BNY publishes APIs through the BNY Developer Marketplace at developer.bny.com (formerly marketplace.bnymellon.com), covering Asset Servicing, Treasury Services, Payments, Pershing, Markets, and the BNY Data On-Chain product, with registration and API reference gated behind a Nexen single sign-on.

## Kin Score — 32.8 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 32.8).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 58.7 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 28.9 |
| Access Clarity | 28.9 |

Regulatory layer — **Banking & Open Finance**: 15.2 (matched via tags).

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| 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 | na |

## Access

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

## APIs (5)

- **BNY Data On-Chain** — BNY Data On-Chain publishes BNY-attested data on-chain so on-chain consumers can read it directly from smart contracts. The product ships a Solidity consumer interface (IBNYData...
- **BNY (Bank of New York Mellon) Asset Servicing API** — Custody, fund accounting, middle-office, and transfer agency operations.
- **BNY (Bank of New York Mellon) Markets API** — FX, securities finance, fixed income, and equities surface.
- **BNY (Bank of New York Mellon) Pershing API** — Pershing clearing, custody, NetX360+, and Wove platform surface.
- **BNY (Bank of New York Mellon) Treasury Services API** — Payments, liquidity, cash management, trade finance, and FX.

## Agentic access (1)

- **Bny Bank Of New York Mellon Agentic Access** — 4 operations

## Security (2)

- **Bny Bank Of New York Mellon Authentication** — http · 1 scheme
- **Bny Bank Of New York Mellon Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Bny Bank Of New York Mellon Plans Pricing**

## Tags

Banking, Custody, Asset Servicing, Treasury Services, Payments, Wealth Management, Clearing, Capital Markets, Digital Assets, Financial-Services

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