StoneX

StoneX Group is a global financial services organization that provides execution, risk management, market intelligence, and post-trade services across asset classes and markets to institutional, commercial, and retail clients. StoneX offers REST APIs for payments, clearing, and futures trading with OAuth 2.0 authentication.

StoneX publishes 6 APIs on the APIs.io network, including Accounts API, Authentication API, Documents API, and 3 more. Tagged areas include Finance, Financial Services, Payments, Clearing, and Futures.

The StoneX catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

StoneX’s developer surface includes authentication, documentation, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

44.3/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessEnterpriseSelf serve

8 APIs

FinanceFinancial ServicesPaymentsClearingFuturesTradingRisk Management

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 44.3/100 · developing

Contract Quality 17.5 / 25

Developer Ergonomics 5.7 / 20

Commercial Clarity 5.8 / 20

Operational Transparency 3.4 / 13

Governance 7.0 / 12

Discoverability 6.5 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 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/stonex: 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.

Rate Limits 1

Documented rate limits and quota policies.

Stonex Rate Limits

1 limits

RATE LIMITS

FinOps 1

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

JSON Schema 2

Standalone JSON Schema definitions for this provider's data models.

Examples 1

Example request and response payloads for these APIs.

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Company 2

The organization behind the API

LinkedIn

Website

Website

Source (apis.yml)

aid: stonex
name: StoneX
description: StoneX Group is a global financial services organization that provides execution, risk management, market intelligence,
  and post-trade services across asset classes and markets to institutional, commercial, and retail clients. StoneX offers
  REST APIs for payments, clearing, and futures trading with OAuth 2.0 authentication.
type: Index
accessModel:
  pricing: enterprise
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Enterprise · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/stonex.png
tags:
- Finance
- Financial Services
- Payments
- Clearing
- Futures
- Trading
- Risk Management
url: https://raw.githubusercontent.com/api-evangelist/stonex/refs/heads/main/apis.yml
created: '2026-05-02'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: stonex:stonex-gf-api
  name: StoneX GF Futures API
  description: The StoneX GF (GAIN Futures) API provides institutional-grade access to futures trading including market data,
    order management, account and position tracking, margin calculations, contract lookup, and real-time price feeds for futures
    contracts.
  humanURL: https://futures-media.stonex.com/gfapi/index.html
  tags:
  - Futures
  - Trading
  - Market Data
  - Institutional
  properties:
  - type: Documentation
    url: https://futures-media.stonex.com/gfapi/index.html
- aid: stonex:stonex-developer-portal
  name: StoneX Developer Portal
  description: The StoneX Developer Storefront provides access to all StoneX API products with subscription keys, documentation,
    and developer resources for integrating with StoneX financial services.
  humanURL: https://developer.stonex.com/
  tags:
  - Developer Portal
  - API Management
  properties:
  - type: Documentation
    url: https://developer.stonex.com/documentation
  - type: Products
    url: https://developer.stonex.com/products
- aid: stonex:stonex-accounts-api
  name: StoneX Accounts API
  description: Account information and management.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - Accounts
  properties:
  - type: OpenAPI
    url: openapi/stonex-accounts-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
- aid: stonex:stonex-authentication-api
  name: StoneX Authentication API
  description: OAuth 2.0 token management.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/stonex-authentication-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
- aid: stonex:stonex-documents-api
  name: StoneX Documents API
  description: Document retrieval and management.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - Documents
  properties:
  - type: OpenAPI
    url: openapi/stonex-documents-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
- aid: stonex:stonex-fx-rates-api
  name: StoneX FX Rates API
  description: Foreign exchange rate queries.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - FX Rates
  properties:
  - type: OpenAPI
    url: openapi/stonex-fx-rates-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
- aid: stonex:stonex-payments-api
  name: StoneX Payments API
  description: Payment execution and management.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - Payments
  properties:
  - type: OpenAPI
    url: openapi/stonex-payments-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
- aid: stonex:stonex-trading-api
  name: StoneX Trading API
  description: Trade submission and management.
  humanURL: https://docs.payments.stonex.io/
  tags:
  - Trading
  properties:
  - type: OpenAPI
    url: openapi/stonex-trading-api-openapi.yml
  - type: Documentation
    url: https://docs.payments.stonex.io/
  - type: GettingStarted
    url: https://docs.payments.stonex.io/docs/quickstart-guide-1
  - type: Documentation
    url: https://docs.clearing.stonex.com/docs
  - type: GettingStarted
    url: https://docs.clearing.stonex.com/docs/getting-started/introduction
common:
- type: AgenticAccess
  url: agentic-access/stonex-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/stonex-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/stonex-domain-security.yml
- type: Authentication
  url: authentication/stonex-authentication.yml
- type: GitHubOrganization
  url: https://github.com/stonex
- type: LinkedIn
  url: https://www.linkedin.com/company/stonex-group
- type: Website
  url: https://www.stonex.com
- type: DeveloperPortal
  url: https://developer.stonex.com/
- type: Documentation
  url: https://developer.stonex.com/documentation
- type: LlmsText
  url: https://developer.stonex.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

StoneX

APIs 8

Open Collections 2

Pricing Plans 1

Rate Limits 1

FinOps 1

Semantic Vocabularies 1

Spectral Rules 2