Bitnomial website screenshot

Bitnomial

Bitnomial is a Chicago-based derivatives exchange company that owns and operates U.S. CFTC-regulated subsidiaries — a Designated Contract Market (exchange/DCM), a Derivatives Clearing Organization (clearinghouse/DCO), and a Futures Commission Merchant (clearing brokerage/FCM). It offers leveraged spot, perpetuals, futures, options, and prediction markets on a single regulated venue with crypto margin and settlement. For developers, Bitnomial publishes a public HTTPS REST API (products, orders, fills, block trades, indexes, funding rates, market stats), a real-time WebSocket market-data feed (trade, book, block, status channels), a low-latency binary order-entry protocol (BTP), and a FIX 4.4 API with dropcopy. REST authentication uses HMAC-SHA256 request signing with per-connection credentials. Surfaced as a portfolio company of Electric Capital and enriched by the API Evangelist pipeline.

Bitnomial publishes 1 API on the APIs.io network: Market Data WebSocket API. Tagged areas include Company, Fintech, Cryptocurrency, Derivatives, and Exchange.

The Bitnomial catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Bitnomial’s developer surface includes documentation, API reference, getting-started guide, engineering blog, support, authentication, sandbox, and 18 more developer resources.

🌐 Visit website 📡 Source on GitHub
38.4/100 thin ▬ flat Agent 35/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
2 APIs 1 MCP Servers
CompanyFintechCryptocurrencyDerivativesExchangeTradingMarket DataFuturesOptionsCFTC Regulated

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 38.4/100 · thin
Contract Quality 7.0 / 25
Developer Ergonomics 16.1 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 4.1 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 35/100 · agent aware
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
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/bitnomial: 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 2

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

Bitnomial Exchange REST API

Public HTTPS REST API for the Bitnomial exchange — products and contract specs, orders, fills, block trades, indexes, funding rates, and market statistics. HMAC-SHA256 signed au...

Bitnomial Market Data WebSocket API

Real-time WebSocket market-data feed delivering trade, order book, block trade, and market status messages for subscribed products.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

bitnomial-mcp.yml

MCP SERVER

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Bitnomial Market Data WebSocket API

Real-time market-data feed for Bitnomial's CFTC-regulated derivatives exchange. Clients open a WebSocket connection and must send a subscribe message within 10 seconds or they a...

ASYNCAPI

Security Posture 3

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

Bitnomial Authentication

hmac-signed-api-key · 1 scheme

SECURITY

Bitnomial Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Bitnomial Vulnerability Disclosure

disclosure policy published

SECURITY

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 Sandbox
Sandbox

Documentation 3

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference
 AsyncAPI
AsyncAPI

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 MCPServer
MCPServer

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 DataModel
DataModel
 Conformance
Conformance

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs
 CLI
CLI

Access & Security 4

Authentication, authorization, and security posture

Authentication
Authentication
 DomainSecurity
DomainSecurity
 VulnerabilityDisclosure
VulnerabilityDisclosure
 Security
Security

Operate 2

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: bitnomial
name: Bitnomial
description: Bitnomial is a Chicago-based derivatives exchange company that owns and operates U.S. CFTC-regulated subsidiaries
  — a Designated Contract Market (exchange/DCM), a Derivatives Clearing Organization (clearinghouse/DCO), and a Futures Commission
  Merchant (clearing brokerage/FCM). It offers leveraged spot, perpetuals, futures, options, and prediction markets on a single
  regulated venue with crypto margin and settlement. For developers, Bitnomial publishes a public HTTPS REST API (products,
  orders, fills, block trades, indexes, funding rates, market stats), a real-time WebSocket market-data feed (trade, book,
  block, status channels), a low-latency binary order-entry protocol (BTP), and a FIX 4.4 API with dropcopy. REST authentication
  uses HMAC-SHA256 request signing with per-connection credentials. Surfaced as a portfolio company of Electric Capital and
  enriched by the API Evangelist pipeline.
url: https://raw.githubusercontent.com/api-evangelist/bitnomial/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- electric-capital
x-tier: stub
x-tier-reason: portfolio-lead
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://bitnomial.com/images/social-preview.jpg
tags:
- Company
- Fintech
- Cryptocurrency
- Derivatives
- Exchange
- Trading
- Market Data
- Futures
- Options
- CFTC Regulated
apis:
- name: Bitnomial Exchange REST API
  description: Public HTTPS REST API for the Bitnomial exchange — products and contract specs, orders, fills, block trades,
    indexes, funding rates, and market statistics. HMAC-SHA256 signed authentication; cursor pagination; rate limited to 200
    requests per 5 minutes.
  humanURL: https://bitnomial.com/exchange/docs/api/rest/overview/
  baseURL: https://bitnomial.com/exchange/api/v1/prod
  tags:
  - REST
  - Trading
  - Market Data
  properties:
  - type: Documentation
    url: https://bitnomial.com/exchange/docs/api/rest/overview/
  - type: Authentication
    url: authentication/bitnomial-authentication.yml
  - type: Conventions
    url: conventions/bitnomial-conventions.yml
  - type: ErrorCatalog
    url: errors/bitnomial-problem-types.yml
  - type: DataModel
    url: data-model/bitnomial-data-model.yml
- name: Bitnomial Market Data WebSocket API
  description: Real-time WebSocket market-data feed delivering trade, order book, block trade, and market status messages
    for subscribed products.
  humanURL: https://bitnomial.com/exchange/docs/api/websocket/subscribe/
  baseURL: https://bitnomial.com/exchange/api/v1/prod
  tags:
  - WebSocket
  - Market Data
  - Streaming
  properties:
  - type: AsyncAPI
    url: asyncapi/bitnomial-market-data-asyncapi.yml
  - type: Documentation
    url: https://bitnomial.com/exchange/docs/api/websocket/subscribe/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://bitnomial.com/
- type: DeveloperPortal
  url: https://bitnomial.com/exchange/docs
- type: Documentation
  url: https://bitnomial.com/exchange/docs/api/overview/
- type: APIReference
  url: https://bitnomial.com/exchange/docs/api/rest/overview/
- type: GettingStarted
  url: https://bitnomial.com/exchange/docs/api/rest/authentication/
- type: Blog
  url: https://bitnomial.com/blog
- type: Support
  url: mailto:help@exchange.bitnomial.com
- type: StatusPage
  url: https://bitnomial.statuspage.io
- type: GitHubOrganization
  url: https://github.com/bitnomial
- type: Authentication
  url: authentication/bitnomial-authentication.yml
- type: Conventions
  url: conventions/bitnomial-conventions.yml
- type: ErrorCatalog
  url: errors/bitnomial-problem-types.yml
- type: Lifecycle
  url: lifecycle/bitnomial-lifecycle.yml
- type: DataModel
  url: data-model/bitnomial-data-model.yml
- type: Sandbox
  url: sandbox/bitnomial-sandbox.yml
- type: Packages
  url: packages/bitnomial-packages.yml
- type: SDKs
  url: packages/bitnomial-packages.yml
- type: CLI
  url: cli/bitnomial-cli.yml
- type: LLMsTxt
  url: llms/bitnomial-llms.txt
- type: MCPServer
  url: mcp/bitnomial-mcp.yml
- type: AsyncAPI
  url: asyncapi/bitnomial-market-data-asyncapi.yml
- type: Conformance
  url: conformance/bitnomial-conformance.yml
- type: DomainSecurity
  url: security/bitnomial-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/bitnomial-vulnerability-disclosure.yml
- type: Security
  url: https://bitnomial.com/security
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence