Calypso

APIs and developer resources for Nasdaq Calypso (formerly Adenza / Calypso Technology), a cross-asset front-to-back capital markets technology platform for trading, risk management, collateral, treasury, processing, and accounting used by banks, asset managers, central banks, and clearing houses worldwide.

Calypso publishes 8 APIs on the APIs.io network. Tagged areas include Capital Markets, Collateral Management, Enterprise Software, Financial Technology, and Post-Trade Processing.

Calypso’s developer surface includes developer portal, documentation, support, training material, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

17.3/100 emerging ▬ flat Agent 3/100 human only saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemium

8 APIs

Capital Markets Collateral Management Enterprise Software Financial TechnologyPost-Trade ProcessingRisk Management Trading Treasury

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 17.3/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 2.8 / 17

Access Clarity 5.4 / 17

Operational Transparency 0.9 / 11

Contract Governance 0.0 / 10

Discoverability 6.3 / 9

Regulatory Posture 4.5 / 15

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Securities & Market Data regime (on an ambiguous tag, where no other regime matched), so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/calypso: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 8

Individual APIs this provider publishes, each with its own machine-readable definition.

Calypso Core API

Main REST API for the Nasdaq Calypso platform. Provides programmatic access to remotely control calls to the Calypso platform from other software, enabling regulatory analytics,...

Calypso Front Office API

Provides programmatic access to Calypso front office capabilities including real-time portfolio insights, instant order generation, pricing, live risk and P&L monitoring, trade ...

Calypso Middle Office and Trading Risk API

Enables integration with Calypso middle office and trading risk capabilities including market risk, credit risk, clearing risk, and liquidity risk metrics. Supports VaR calculat...

Calypso Treasury API

Provides access to Calypso treasury management capabilities for front-to-back treasury operations including cross-asset trading decisions, analytics, risk tools, real-time monit...

Calypso Collateral, Margin and Securities Finance API

Provides integration with Calypso collateral management, margin calculation, and securities financing capabilities. Supports management of exposures for cleared and uncleared tr...

Calypso Clearing API

Provides access to Calypso integrated cross-asset OTC and exchange-traded derivatives clearing capabilities including trade connectivity, processing, collateral management and o...

Calypso Post-Trade Processing API

Enables integration with Calypso back-office processing capabilities including trade comparison, netting, settlement, profitability analysis, corporate actions, accounting, and ...

Calypso Reserve and Monetary Policy Management API

Provides integration capabilities for central bank reserve management and monetary policy operations on the Calypso platform. Supports monitoring and managing debt and liquidity...

Scroll for all 8

Pricing Plans 1

Published pricing tiers and plan structures.

Calypso Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Calypso Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Calypso Finops

FINOPS

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Calypso Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Certification

Certification

Learn 2

Tutorials, courses, talks, and written guidance

Learning

Learning

Training

Training

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 2

The organization behind the API

Website

Website

LinkedIn

Other 1

Properties that don't map to a standard resource type

Wikipedia

Wikipedia

Source (apis.yml)

aid: calypso
name: Calypso
description: APIs and developer resources for Nasdaq Calypso (formerly Adenza / Calypso Technology), a cross-asset front-to-back
  capital markets technology platform for trading, risk management, collateral, treasury, processing, and accounting used
  by banks, asset managers, central banks, and clearing houses worldwide.
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://www.calypso.com/favicon.ico
url: https://raw.githubusercontent.com/api-evangelist/calypso/refs/heads/main/apis.yml
type: Index
created: '2024-01-01'
modified: '2026-04-23'
specificationVersion: '0.23'
tags:
- Capital Markets
- Collateral Management
- Enterprise Software
- Financial Technology
- Post-Trade Processing
- Risk Management
- Trading
- Treasury
apis:
- aid: calypso:calypso-core-api
  name: Calypso Core API
  description: Main REST API for the Nasdaq Calypso platform. Provides programmatic access to remotely control calls to the
    Calypso platform from other software, enabling regulatory analytics, current limits usage queries, and pre-deal limit
    checks for enhanced operating flexibility across capital markets operations.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Capital Markets
  - REST API
  - Risk Management
  - Trading
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso
- aid: calypso:calypso-front-office-api
  name: Calypso Front Office API
  description: Provides programmatic access to Calypso front office capabilities including real-time portfolio insights, instant
    order generation, pricing, live risk and P&L monitoring, trade entry, and scenario analysis across multiple asset classes
    for trading desks and portfolio managers.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/front-office
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Front Office
  - Portfolio-Management
  - Pricing
  - Trading
  tags_raw:
  - Front Office
  - Portfolio Management
  - Pricing
  - Trading
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/front-office
- aid: calypso:calypso-middle-office-trading-risk-api
  name: Calypso Middle Office and Trading Risk API
  description: Enables integration with Calypso middle office and trading risk capabilities including market risk, credit
    risk, clearing risk, and liquidity risk metrics. Supports VaR calculations, stress testing, back testing, and compliance
    management based on internal and regulatory mandates.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/middle-office-trading-risk
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Compliance
  - Credit Risk
  - Market Risk
  - Risk Management
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/middle-office-trading-risk
- aid: calypso:calypso-treasury-api
  name: Calypso Treasury API
  description: Provides access to Calypso treasury management capabilities for front-to-back treasury operations including
    cross-asset trading decisions, analytics, risk tools, real-time monitoring, and management of treasury positions across
    cash and derivatives products.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/treasury
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Asset Management
  - Cash Management
  - Liquidity
  - Treasury
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/treasury
- aid: calypso:calypso-collateral-margin-securities-finance-api
  name: Calypso Collateral, Margin and Securities Finance API
  description: Provides integration with Calypso collateral management, margin calculation, and securities financing capabilities.
    Supports management of exposures for cleared and uncleared trades, real-time collateral transfers, intraday margining,
    and automated margin call processing.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/collateral-margin-securities-finance
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Collateral Management
  - Margin
  - Risk
  - Securities Finance
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/collateral-margin-securities-finance
- aid: calypso:calypso-clearing-api
  name: Calypso Clearing API
  description: Provides access to Calypso integrated cross-asset OTC and exchange-traded derivatives clearing capabilities
    including trade connectivity, processing, collateral management and optimization, margin calculation, and reconciliation
    for clearing houses and clearing members.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/clearing
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Clearing
  - Derivatives
  - Exchange Traded
  - OTC
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/clearing
- aid: calypso:calypso-post-trade-processing-api
  name: Calypso Post-Trade Processing API
  description: Enables integration with Calypso back-office processing capabilities including trade comparison, netting, settlement,
    profitability analysis, corporate actions, accounting, and regulatory reporting. Supports full straight-through processing
    with exception-based user interaction.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/post-trade-processing
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Accounting
  - Back Office
  - Post-Trade
  - Settlement
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/post-trade-processing
- aid: calypso:calypso-reserve-monetary-policy-api
  name: Calypso Reserve and Monetary Policy Management API
  description: Provides integration capabilities for central bank reserve management and monetary policy operations on the
    Calypso platform. Supports monitoring and managing debt and liquidity, regulating financial system liquidity, and responding
    to market fluctuations for central banks.
  image: https://www.calypso.com/favicon.ico
  humanURL: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/reserve-and-monetary-policy-management
  baseURL: https://api.calypso.example.com/v1
  tags:
  - Central Banking
  - Liquidity
  - Monetary Policy
  - Reserve Management
  properties:
  - type: Documentation
    url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/reserve-and-monetary-policy-management
common:
- type: DomainSecurity
  url: security/calypso-domain-security.yml
- type: Portal
  url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso
- type: Documentation
  url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso
- type: Website
  url: https://www.calypso.com/
- type: Support
  url: https://www.nasdaq.com/solutions/fintech/nasdaq-calypso/resources
- type: Learning
  url: https://learncalypso.nasdaq.com/
- type: Certification
  url: https://www.nasdaq.com/solutions/fintech/services/education-learning/nasdaq-calypso/certification
- type: Training
  url: https://www.nasdaq.com/solutions/fintech/services/education-learning/nasdaq-calypso
- type: PrivacyPolicy
  url: https://www.calypso.com/Privacy
- type: TermsOfService
  url: https://km.calypso.com/pages/terms
- type: LinkedIn
  url: https://www.linkedin.com/company/calypso-technology
- type: Wikipedia
  url: https://en.wikipedia.org/wiki/Adenza
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
include: []

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