Nubela website screenshot

Nubela

Build and scale data-driven applications on people and companies with Nubela's Proxycurl API without worrying about scaling a web scraping and data-science team.

Nubela publishes 4 APIs on the APIs.io network, including Company API, Competitor API, Customer API, and 1 more. Tagged areas include Companies, Data, People, and Scraping.

Nubela’s developer surface includes authentication, documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub
27.5/100 thin ▬ flat Agent 23/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemiumSelf serve⚡ Free to try
4 APIs
CompaniesDataPeopleScraping

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 27.5/100 · thin
Contract Quality 11.9 / 25
Developer Ergonomics 4.8 / 20
Access Clarity 3.2 / 20
Operational Transparency 1.4 / 13
Contract Governance 0.0 / 12
Discoverability 6.3 / 10
Agent readiness — 23/100 · agent aware
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 0 / 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 4 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
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/nubela: 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 4

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

Nubela Company API

The Company API from Nubela — 6 operation(s) for company.

Nubela Competitor API

The Competitor API from Nubela — 1 operation(s) for competitor.

Nubela Customer API

The Customer API from Nubela — 1 operation(s) for customer.

Nubela Employee API

The Employee API from Nubela — 3 operation(s) for employee.

Open Collections 6

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

API Collection

OPEN COLLECTION

Nubela Proxycurl Company API

OPEN COLLECTION

Nubela Proxycurl Company Competitor API

OPEN COLLECTION

Nubela Proxycurl Company Customer API

OPEN COLLECTION

Nubela Proxycurl Company Employee API

OPEN COLLECTION

Nubela Proxycurl API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Nubela Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Nubela Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Nubela Finops

FINOPS

Security Posture 2

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

Nubela Authentication

http · 1 scheme

SECURITY

Nubela Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Nubela Agentic Access

11 operations

11 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: nubela
name: Nubela
description: Build and scale data-driven applications on people and companies with Nubela's Proxycurl API without worrying
  about scaling a web scraping and data-science team.
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/nubela.png
tags:
- Companies
- Data
- People
- Scraping
created: '2025-02-08'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/nubela/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: nubela:nubela-company-api
  name: Nubela Company API
  description: The Company API from Nubela — 6 operation(s) for company.
  humanURL: https://nubela.co/proxycurl/
  baseURL: https://nubela.co/proxycurl/api/
  tags:
  - Company
  properties:
  - type: OpenAPI
    url: openapi/nubela-company-api-openapi.yml
  - type: Documentation
    url: https://nubela.co/proxycurl/docs
  - type: Pricing
    url: https://nubela.co/proxycurl/pricing
- aid: nubela:nubela-competitor-api
  name: Nubela Competitor API
  description: The Competitor API from Nubela — 1 operation(s) for competitor.
  humanURL: https://nubela.co/proxycurl/
  baseURL: https://nubela.co/proxycurl/api/
  tags:
  - Competitor
  properties:
  - type: OpenAPI
    url: openapi/nubela-competitor-api-openapi.yml
  - type: Documentation
    url: https://nubela.co/proxycurl/docs
  - type: Pricing
    url: https://nubela.co/proxycurl/pricing
- aid: nubela:nubela-customer-api
  name: Nubela Customer API
  description: The Customer API from Nubela — 1 operation(s) for customer.
  humanURL: https://nubela.co/proxycurl/
  baseURL: https://nubela.co/proxycurl/api/
  tags:
  - Customers
  tags_raw:
  - Customer
  properties:
  - type: OpenAPI
    url: openapi/nubela-customer-api-openapi.yml
  - type: Documentation
    url: https://nubela.co/proxycurl/docs
  - type: Pricing
    url: https://nubela.co/proxycurl/pricing
- aid: nubela:nubela-employee-api
  name: Nubela Employee API
  description: The Employee API from Nubela — 3 operation(s) for employee.
  humanURL: https://nubela.co/proxycurl/
  baseURL: https://nubela.co/proxycurl/api/
  tags:
  - Employee
  properties:
  - type: OpenAPI
    url: openapi/nubela-employee-api-openapi.yml
  - type: Documentation
    url: https://nubela.co/proxycurl/docs
  - type: Pricing
    url: https://nubela.co/proxycurl/pricing
common:
- type: AgenticAccess
  url: agentic-access/nubela-agentic-access.yml
- type: DomainSecurity
  url: security/nubela-domain-security.yml
- type: Authentication
  url: authentication/nubela-authentication.yml
- type: GitHubOrganization
  url: https://github.com/nubela
- type: Website
  url: https://nubela.co/proxycurl/
- type: Documentation
  url: https://nubela.co/proxycurl/docs
- type: LlmsText
  url: https://nubela.co/llms.txt
- url: https://nubela.co/blog/feed
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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