# Calastone

**Canonical:** https://apis.io/providers/calastone/  
**Website:** https://www.calastone.com  
**APIs profiled:** 0

Calastone operates the world's largest global funds network, connecting asset managers, distributors, custodians and platforms to automate and digitalize the investment funds marketplace. Founded in 2007 and headquartered in London, it provides order routing, settlements, share-class conversions, dividends, transfers, reporting, money market services and tokenized fund distribution. More than 4,500 clients across 58 countries and territories use the network, processing over £300 billion of investment value each month. API and messaging connectivity is delivered through client onboarding rather than a public self-service developer portal. Calastone is a wholly owned subsidiary of SS&C Technologies Holdings, Inc. (Nasdaq: SSNC).

## Kin Score — 11.4 / 100 (emerging)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 11.4).

| Facet | Score |
|---|---|
| Discoverability | 57.4 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 0.0 (human-only)

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

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## Security (1)

- **Calastone Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, Fintech, Funds, Asset Management, Fund Administration, Financial-Services, Money Markets, Settlement, Tokenization

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