Defined

Defined (defined.fi) is a real-time, multi-chain crypto trading terminal and blockchain-data company backed by Version One Ventures. The consumer product is a customizable "Boards" trading workspace covering tokens, perps, predictions, launchpads and smart-money wallet tracking across every major network. Defined's data is exposed to developers through Codex (codex.io), its industry-leading blockchain data API: a single GraphQL endpoint serving real-time token prices, OHLCV charts, trades, liquidity pools, holder balances, wallet analytics, launchpad activity and prediction-market data for 70M+ tokens across 100+ EVM and non-EVM networks, used by Coinbase, TradingView, Uniswap and Magic Eden.

Defined publishes 1 API on the APIs.io network. Tagged areas include Company, Cryptocurrency, Blockchain, DeFi, and Market Data.

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

Defined’s developer surface includes documentation, API reference, getting-started guide, engineering blog, pricing, signup flow, support, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub
39.8/100 thin Agent 32/100 agent aware Full breakdown ↓
scored 2026-07-20 · rubric v0.4
1 APIs 1 MCP Servers 0 Features
CompanyCryptocurrencyBlockchainDeFiMarket DataTradingGraphQLWeb3Prediction MarketsAPI

API Rating

API Evangelist API Evangelist Rating How this is scored →
scored 2026-07-20 · rubric v0.4
Composite quality — 39.8/100 · thin
Contract Quality 0.0 / 25
Developer Ergonomics 14.8 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 9.3 / 10
Agent readiness — 32/100 · 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 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 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/defined: 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

Codex GraphQL API

Codex is Defined's unified GraphQL API for real-time blockchain data: token prices, OHLCV bars, trades, liquidity pools, holders, wallet analytics, prediction markets and launch...

MCP Servers

defined-mcp.yml

MCP SERVER

Event Specifications

Defined Webhooks

ASYNCAPI

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 SignUp
SignUp
 Login
Login

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt

Design & Contract 4

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 Lifecycle
Lifecycle
 Conformance
Conformance
 Webhooks
Webhooks

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 SDKs
SDKs
 Packages
Packages

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 4

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 ChangeLog
ChangeLog
 Deprecation
Deprecation

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 1

The organization behind the API

Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: defined
name: Defined
description: 'Defined (defined.fi) is a real-time, multi-chain crypto trading terminal and blockchain-data company backed
  by Version One Ventures. The consumer product is a customizable "Boards" trading workspace covering tokens, perps, predictions,
  launchpads and smart-money wallet tracking across every major network. Defined''s data is exposed to developers through
  Codex (codex.io), its industry-leading blockchain data API: a single GraphQL endpoint serving real-time token prices, OHLCV
  charts, trades, liquidity pools, holder balances, wallet analytics, launchpad activity and prediction-market data for 70M+
  tokens across 100+ EVM and non-EVM networks, used by Coinbase, TradingView, Uniswap and Magic Eden.'
url: https://raw.githubusercontent.com/api-evangelist/defined/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- version-one-ventures
x-tier: profiled
x-tier-reason: enriched-from-portfolio-lead
image: https://docs.codex.io/favicon.ico
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Cryptocurrency
- Blockchain
- DeFi
- Market Data
- Trading
- GraphQL
- Web3
- Prediction Markets
- API
apis:
- aid: defined:codex-graphql-api
  name: Codex GraphQL API
  description: 'Codex is Defined''s unified GraphQL API for real-time blockchain data: token prices, OHLCV bars, trades, liquidity
    pools, holders, wallet analytics, prediction markets and launchpad data across 100+ EVM and non-EVM networks. Queries
    and mutations POST to https://graph.codex.io/graphql; subscriptions stream over WebSocket (graphql-ws) at wss://graph.codex.io/graphql.
    Auth is an API key passed in the Authorization header (no Bearer prefix); short-lived JWTs minted by createApiTokens use
    a Bearer prefix, and agents can pay per-request over HTTP 402 via the Machine Payments Protocol.'
  humanURL: https://docs.codex.io/
  baseURL: https://graph.codex.io/graphql
  tags:
  - GraphQL
  - Blockchain
  - Market Data
  - Cryptocurrency
  - DeFi
  - Web3
  properties:
  - type: Documentation
    url: https://docs.codex.io/
  - type: GettingStarted
    url: https://docs.codex.io/get-started.md
  - type: GraphQL
    url: https://graph.codex.io/graphql
  - type: Authentication
    url: authentication/defined-authentication.yml
  - type: Conventions
    url: conventions/defined-conventions.yml
  - type: Webhooks
    url: asyncapi/defined-webhooks.yml
  - type: LLMsTxt
    url: llms/defined-llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/defined-domain-security.yml
- type: DeveloperPortal
  url: https://www.codex.io/
- type: Documentation
  url: https://docs.codex.io/
- type: APIReference
  url: https://docs.codex.io/api-reference
- type: GettingStarted
  url: https://docs.codex.io/get-started.md
- type: Blog
  url: https://www.codex.io/blog
- type: Pricing
  url: https://www.codex.io/pricing
- type: SignUp
  url: https://dashboard.codex.io/signup
- type: Login
  url: https://dashboard.codex.io/dashboard
- type: Support
  url: https://docs.codex.io/extra/faq
- type: GitHubOrganization
  url: https://github.com/Codex-Data
- type: TermsOfService
  url: https://dashboard.codex.io/terms
- type: PrivacyPolicy
  url: https://dashboard.codex.io/privacy
- type: StatusPage
  url: https://status.codex.io/
- type: SDKs
  url: packages/defined-packages.yml
- type: Packages
  url: packages/defined-packages.yml
- type: MCPServer
  url: mcp/defined-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/defined-llms.txt
- type: Authentication
  url: authentication/defined-authentication.yml
- type: Conventions
  url: conventions/defined-conventions.yml
- type: ChangeLog
  url: changelog/defined-changelog.yml
- type: Lifecycle
  url: lifecycle/defined-lifecycle.yml
- type: Deprecation
  url: lifecycle/defined-lifecycle.yml
- type: Conformance
  url: conformance/defined-conformance.yml
- type: Webhooks
  url: asyncapi/defined-webhooks.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence