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
36.2/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
4 APIs
CompaniesDataPeopleScraping

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 36.2/100 · thin
Contract Quality 13.6 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.6 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 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 0 / 4
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 1

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

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: '0.19'
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:
  - 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