Crosby

Crosby is an agentic law firm that combines AI legal agents with barred attorneys to review commercial contracts in about an hour. Built for sales teams, it accelerates contract negotiation and time-to-signature with fixed, upfront per-document pricing, and integrates into existing workflows via Slack, email, and CLM/CRM triggers. Beyond contract review it offers business-specific knowledge agents and aggregated market data to improve negotiation outcomes. NYC-based, founded by Ryan Daniels and John Sarihan, and backed by Bain Capital Ventures, Index Ventures, and Lux Capital. Crosby publishes no public developer API, SDKs, or OpenAPI surface as of this profiling.

Crosby is profiled on the APIs.io network. Tagged areas include Company, Ai Apps, Legal Tech, Contract Review, and Legal.

Crosby’s developer surface includes engineering blog and 2 more developer resources.

🌐 Visit website 📡 Source on GitHub

7.2/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessApproval

0 APIs

CompanyAi AppsLegal TechContract ReviewLegalArtificial IntelligenceAI Agents

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 7.2/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.4 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 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/crosby: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: crosby
accessModel:
  pricing: unknown
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Requires approval
  confidence: medium
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/crosby.png
name: Crosby
description: Crosby is an agentic law firm that combines AI legal agents with barred attorneys to review commercial contracts
  in about an hour. Built for sales teams, it accelerates contract negotiation and time-to-signature with fixed, upfront per-document
  pricing, and integrates into existing workflows via Slack, email, and CLM/CRM triggers. Beyond contract review it offers
  business-specific knowledge agents and aggregated market data to improve negotiation outcomes. NYC-based, founded by Ryan
  Daniels and John Sarihan, and backed by Bain Capital Ventures, Index Ventures, and Lux Capital. Crosby publishes no public
  developer API, SDKs, or OpenAPI surface as of this profiling.
url: https://raw.githubusercontent.com/api-evangelist/crosby/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bain-capital-ventures
- index-ventures
- lux-capital
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
tags:
- Company
- Ai Apps
- Legal Tech
- Contract Review
- Legal
- Artificial Intelligence
- AI Agents
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/crosby-domain-security.yml
- type: Website
  url: https://crosby.ai/
- type: Blog
  url: https://crosby.ai/blog
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Crosby

Kin Score

Security Posture 1

Crosby Domain Security

Resources

Access & Security 1

Company 2

Source (apis.yml)