Level2

Level2 provides an accessible, intuitive platform for anyone to create, backtest, and deploy fully automated trading strategies—no coding or knowledge of proprietary programming languages required.

Level2 publishes 6 APIs on the APIs.io network, including Backtesting API, Discovery API, Market Data API, and 3 more.

The Level2 catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Level2’s developer surface includes authentication and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

31.1/100 thin ▬ flat Agent 26/100 agent aware Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessFreemiumSelf serve

2 APIs

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 31.1/100 · thin

Contract Quality 13.5 / 23

Developer Ergonomics 3.9 / 18

Access Clarity 2.8 / 18

Operational Transparency 0.9 / 12

Contract Governance 1.1 / 11

Discoverability 4.0 / 9

Create-or-Update Ergonomics 2.8 / 10

Agent readiness — 26/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Create-or-Update Ergonomics applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/level2: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 6

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

level2 Backtesting API

Endpoints for running backtests on strategies against historical market data to validate performance before live deployment.

level2 Discovery API

Endpoints for discovering similar stocks and retrieving company fundamental summaries.

level2 Market Data API

Endpoints for retrieving historical OHLC price data for financial instruments across global exchanges.

level2 Strategies API

Endpoints for managing user trading strategies, including creation, retrieval, updating, deployment, and deletion of automated trading strategies built with the Level2 visual st...

level2 Technical Analysis API

Endpoints for detecting candlestick patterns and analyzing ticker trends using technical indicators.

level2 Users API

Endpoints for managing broker user accounts and their association with the Level2 platform.

Open Collections 9

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Level2 Strategy Builder Backtesting API

OPEN COLLECTION

Level2 Strategy Builder Backtesting Discovery API

OPEN COLLECTION

Level2 Strategy Builder Backtesting Market Data API

OPEN COLLECTION

Level2 Strategy Builder Backtesting Strategies API

OPEN COLLECTION

Level2 Strategy Builder API

OPEN COLLECTION

Level2 Strategy Builder Backtesting Technical Analysis API

OPEN COLLECTION

Level2 TradeStation Integration API

OPEN COLLECTION

Level2 Strategy Builder Backtesting Users API

OPEN COLLECTION

Scroll for all 9

Pricing Plans 1

Published pricing tiers and plan structures.

Level2 Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Level2 Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Level2 Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Level2 Context

0 classes · 7 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Level2 API Rules

6 rules · 4 warnings 2 info

SPECTRAL

JSON Schema 1

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

Level2 Trading Strategy

12 properties

JSON SCHEMA

Security Posture 3

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

Level2 Authentication

apiKey/http · 2 schemes

SECURITY

Level2 Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Level2 Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Level2 Agentic Access

15 operations · 7 acting · 1 human-in-the-loop

15 operations · 7 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

JSONSchema

JSONSchema

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLD

JSONLD

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)

name: Level2
aid: level2
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: true
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - openapi
  generated: '2026-08-28'
  method: derived
specificationVersion: '0.23'
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Freemium · Self-serve signup
  confidence: medium
  try_now_blocked_by: example-domain
  source:
  - plans
  - authentication
  - security
  generated: '2026-09-03'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/level2.png
url: https://raw.githubusercontent.com/api-evangelist/level2/refs/heads/main/apis.yml
modified: '2026-05-19'
apis:
- aid: level2:level2-backtesting-api
  name: level2 Backtesting API
  description: Endpoints for running backtests on strategies against historical market data to validate performance before
    live deployment.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - Backtesting
  properties:
  - type: OpenAPI
    url: openapi/level2-backtesting-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
- aid: level2:level2-discovery-api
  name: level2 Discovery API
  description: Endpoints for discovering similar stocks and retrieving company fundamental summaries.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/level2-discovery-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
- aid: level2:level2-market-data-api
  name: level2 Market Data API
  description: Endpoints for retrieving historical OHLC price data for financial instruments across global exchanges.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - Market Data
  properties:
  - type: OpenAPI
    url: openapi/level2-market-data-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
- aid: level2:level2-strategies-api
  name: level2 Strategies API
  description: Endpoints for managing user trading strategies, including creation, retrieval, updating, deployment, and deletion
    of automated trading strategies built with the Level2 visual strategy builder.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - Strategies
  properties:
  - type: OpenAPI
    url: openapi/level2-strategies-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
- aid: level2:level2-technical-analysis-api
  name: level2 Technical Analysis API
  description: Endpoints for detecting candlestick patterns and analyzing ticker trends using technical indicators.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - Technical Analysis
  properties:
  - type: OpenAPI
    url: openapi/level2-technical-analysis-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
- aid: level2:level2-users-api
  name: level2 Users API
  description: Endpoints for managing broker user accounts and their association with the Level2 platform.
  humanURL: https://learn.trylevel2.com/docs/overview
  baseURL: https://api.example.com
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/level2-users-api-openapi.yml
  - type: Documentation
    url: https://learn.trylevel2.com/docs/overview
common:
- type: AgenticAccess
  url: agentic-access/level2-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/level2-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/level2-domain-security.yml
- type: Authentication
  url: authentication/level2-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/mylevel2
- type: Website
  url: https://www.trylevel2.com
- type: JSONLD
  url: json-ld/level2-context.jsonld
- type: JSONSchema
  url: json-schema/level2-strategy-schema.json
description: Level2 provides an accessible, intuitive platform for anyone to create, backtest, and deploy fully automated
  trading strategies—no coding or knowledge of proprietary programming languages required.

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