Calypso website screenshot

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
28.8/100 thin ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
8 APIs
Capital MarketsCollateral ManagementEnterprise SoftwareFinancial TechnologyPost-Trade ProcessingRisk ManagementTradingTreasury

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 28.8/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
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
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. 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. Want it done for you? Prioritized profiling — $2,500 →

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
LinkedIn

Other 1

Properties that don't map to a standard resource type

Wikipedia
Wikipedia

Source (apis.yml)

apis.yml Raw ↑ 
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.
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: '0.19'
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
  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: []