Osmaura

Osmaura is a Y Combinator (Summer 2026) startup building opportunity intelligence for corporate law firms. It monitors public web signals, the government record, and a firm's own context to identify companies approaching a legal need before they begin looking for outside counsel, then briefs the right partner on why the moment may matter. Coverage centers on regulatory change, market movement such as hiring and funding, litigation activity, and company milestones, mapped to practice areas including immigration, startups, and commercial litigation. Osmaura ships a production REST API — the Osmaura Prospect API — documented publicly with an OpenAPI 3.1 definition. It returns dated, human-reviewed "editions" of ranked prospect dossiers that deliberately keep source-backed data separate from analyst conclusions, and every government-derived record carries an official link, a reproducible record locator, and a data-through date. Access is bearer-key authenticated, scoped to one organization, gated behind a $1,000/month plan, and reached through a private invitation link. Founded by MIT graduates Kali Abeje and Jity Woldemichael.

Osmaura publishes 4 APIs on the APIs.io network, including Prospect Editions API, Prospects API, Signal Editions API, and 1 more. Tagged areas include Company, Legal, Legal Tech, Artificial Intelligence, and Sales Enablement.

Osmaura’s developer surface includes authentication, signup flow, support, documentation, API reference, getting-started guide, pricing, and 16 more developer resources.

🌐 Visit website 📡 Source on GitHub

44.3/100 developing ▬ flat Agent 30/100 agent ready saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

AccessPaidApproval

2 APIs

Company Legal Legal Tech Artificial Intelligence Sales EnablementBusiness DevelopmentY Combinator Market Intelligence Data Government Data Prospecting

What this lets a business do 1

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Sales Management

BC-410

Prospects

GET /v2/prospects

Kin Score

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

Composite quality — 44.3/100 · developing

Contract Quality 11.4 / 21

Developer Ergonomics 9.6 / 17

Access Clarity 7.6 / 17

Operational Transparency 0.9 / 11

Contract Governance 0.5 / 10

Discoverability 6.5 / 9

Regulatory Posture 4.7 / 15

Agent readiness — 30/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 4 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Government & Public Sector regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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/osmaura: 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 4

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

Osmaura Prospect Editions API

The Prospect Editions API from Osmaura — 1 operation(s) for prospect editions.

Osmaura Prospects API

The Prospects API from Osmaura — 1 operation(s) for prospects.

Osmaura Signal Editions API

The Signal Editions API from Osmaura — 1 operation(s) for signal editions.

Osmaura Signals API

The Signals API from Osmaura — 1 operation(s) for signals.

Pricing Plans 1

Published pricing tiers and plan structures.

Osmaura Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Osmaura Rate Limits

0 limits

RATE LIMITS

Security Posture 2

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

Osmaura Authentication

http · 1 scheme

SECURITY

Osmaura Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

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

Osmaura Agentic Access

4 operations

4 operations · 0 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

SignUp

SignUp

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Deprecation

Deprecation

Commercial 2

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Overlay

Overlay

Source (apis.yml)

aid: osmaura
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: true
  label: Hosted service · you call their endpoint
  confidence: high
  source:
  - openapi
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: paid
  onboarding: approval
  trial: false
  try_now: false
  public: false
  label: Paid ($1,000/month) · Invitation and approval onboarding
  confidence: high
  source:
  - plans
  - authentication
  - https://dashboard.osmaura.com/signals/docs
  generated: '2026-08-14'
  method: searched
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/osmaura.png
name: Osmaura
description: Osmaura is a Y Combinator (Summer 2026) startup building opportunity intelligence for corporate law firms. It
  monitors public web signals, the government record, and a firm's own context to identify companies approaching a legal need
  before they begin looking for outside counsel, then briefs the right partner on why the moment may matter. Coverage centers
  on regulatory change, market movement such as hiring and funding, litigation activity, and company milestones, mapped to
  practice areas including immigration, startups, and commercial litigation. Osmaura ships a production REST API — the Osmaura
  Prospect API — documented publicly with an OpenAPI 3.1 definition. It returns dated, human-reviewed "editions" of ranked
  prospect dossiers that deliberately keep source-backed data separate from analyst conclusions, and every government-derived
  record carries an official link, a reproducible record locator, and a data-through date. Access is bearer-key authenticated,
  scoped to one organization, gated behind a $1,000/month plan, and reached through a private invitation link. Founded by
  MIT graduates Kali Abeje and Jity Woldemichael.
url: https://raw.githubusercontent.com/api-evangelist/osmaura/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-08-14'
tags:
- Company
- Legal
- Legal Tech
- Artificial Intelligence
- Sales Enablement
- Business Development
- Y Combinator
- Market Intelligence
- Data
- Government Data
- Prospecting
tags_raw:
- Company
- Legal
- LegalTech
- Artificial Intelligence
- Sales Enablement
- Business Development
- Y Combinator
- Market Intelligence
- Data
- Government Data
- Prospecting
apis:
- aid: osmaura:osmaura-prospect-editions-api
  name: Osmaura Prospect Editions API
  description: The Prospect Editions API from Osmaura — 1 operation(s) for prospect editions.
  humanURL: https://dashboard.osmaura.com/signals/docs
  baseURL: https://dashboard.osmaura.com
  tags:
  - Prospect Editions
  properties:
  - type: OpenAPI
    url: openapi/osmaura-prospect-editions-api-openapi.yml
  - type: Documentation
    url: https://dashboard.osmaura.com/signals/docs
  - type: APIReference
    url: https://dashboard.osmaura.com/signals/docs#prospects
  - type: GettingStarted
    url: https://dashboard.osmaura.com/signals/docs#quickstart
- aid: osmaura:osmaura-prospects-api
  name: Osmaura Prospects API
  description: The Prospects API from Osmaura — 1 operation(s) for prospects.
  humanURL: https://dashboard.osmaura.com/signals/docs
  baseURL: https://dashboard.osmaura.com
  tags:
  - Prospects
  properties:
  - type: OpenAPI
    url: openapi/osmaura-prospects-api-openapi.yml
  - type: Documentation
    url: https://dashboard.osmaura.com/signals/docs
  - type: APIReference
    url: https://dashboard.osmaura.com/signals/docs#prospects
  - type: GettingStarted
    url: https://dashboard.osmaura.com/signals/docs#quickstart
- aid: osmaura:osmaura-signal-editions-api
  name: Osmaura Signal Editions API
  description: The Signal Editions API from Osmaura — 1 operation(s) for signal editions.
  humanURL: https://dashboard.osmaura.com/signals/docs
  baseURL: https://dashboard.osmaura.com
  tags:
  - Signal Editions
  properties:
  - type: OpenAPI
    url: openapi/osmaura-signal-editions-api-openapi.yml
  - type: Documentation
    url: https://dashboard.osmaura.com/signals/docs
  - type: APIReference
    url: https://dashboard.osmaura.com/signals/docs#prospects
  - type: GettingStarted
    url: https://dashboard.osmaura.com/signals/docs#quickstart
- aid: osmaura:osmaura-signals-api
  name: Osmaura Signals API
  description: The Signals API from Osmaura — 1 operation(s) for signals.
  humanURL: https://dashboard.osmaura.com/signals/docs
  baseURL: https://dashboard.osmaura.com
  tags:
  - Signals
  properties:
  - type: OpenAPI
    url: openapi/osmaura-signals-api-openapi.yml
  - type: Documentation
    url: https://dashboard.osmaura.com/signals/docs
  - type: APIReference
    url: https://dashboard.osmaura.com/signals/docs#prospects
  - type: GettingStarted
    url: https://dashboard.osmaura.com/signals/docs#quickstart
common:
- type: CapabilityMap
  url: capabilities/osmaura-capability-edges.yml
  name: Osmaura Business Capability Map
- type: Overlay
  url: overlays/osmaura-prospect-overlay.yaml
- type: AgenticAccess
  url: agentic-access/osmaura-agentic-access.yml
- type: Authentication
  url: authentication/osmaura-authentication.yml
- type: DomainSecurity
  url: security/osmaura-domain-security.yml
- type: Website
  url: https://osmaura.com
- type: SignUp
  url: https://cal.com/osmaura-ycs26/intro-meeting
  name: Book an intro meeting
- type: Support
  url: mailto:founders@osmaura.com
  name: Contact founders
- type: DeveloperPortal
  url: https://dashboard.osmaura.com/signals
  name: Signals dashboard
- type: Documentation
  url: https://dashboard.osmaura.com/signals/docs
  name: Osmaura API documentation
- type: APIReference
  url: https://dashboard.osmaura.com/signals/docs#prospects
  name: Prospect API reference
- type: GettingStarted
  url: https://dashboard.osmaura.com/signals/docs#quickstart
  name: Quickstart
- type: Pricing
  url: https://dashboard.osmaura.com/
  name: Organization access — $1,000/month
- type: Plans
  url: plans/osmaura-plans-pricing.yml
- type: RateLimits
  url: rate-limits/osmaura-rate-limits.yml
- type: Conventions
  url: conventions/osmaura-conventions.yml
- type: ErrorCatalog
  url: errors/osmaura-problem-types.yml
- type: Lifecycle
  url: lifecycle/osmaura-lifecycle.yml
- type: Deprecation
  url: https://dashboard.osmaura.com/signals/docs#legacy
  name: Version 1 compatibility and deprecation notice
- type: Conformance
  url: conformance/osmaura-conformance.yml
- type: DataModel
  url: data-model/osmaura-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/osmaura-llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-08-14'
  status: enriched
  artifacts_added: 19
  pass: local-v1

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