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.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Calypso the way a machine reads it — 12 machine-readable artifacts across 8 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Calypso scores 30.5/100 (thin), with a separate agent-readiness read of 7/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Calypso
Each block below is one kind of artifact we hold for Calypso. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 8
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
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 within the panel for all 8 ·
Pricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the six things the Kin Score reads for commercial clarity.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Calypso Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.
Cost, billing, and metering signals for API financial operations.
Calypso Finops
FINOPSSecurity Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Calypso — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 1
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Access & Security 2
Authentication, authorization, and security posture
Learn 2
Tutorials, courses, talks, and written guidance
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/calypso · machine-readable index on apis.io