Browserbase

Browserbase is a browser-agent platform that provides managed, headless Chromium browsers and supporting web primitives for AI agents and automation workloads. Customers use a single API key to spin up sessions, fetch and search the web, persist context, route LLM calls, and observe agent behavior across replays and logs. The company maintains the popular open-source Stagehand SDK, a Director UI for agent design, a Browse CLI, and an MCP server. Target customers are AI startups, agent developers, RPA teams, and enterprises running production web automation, with SOC 2 Type II and HIPAA options. Billing is usage-based with a free tier and paid plans on the pricing page.

Browserbase publishes 4 APIs on the APIs.io network, including Contexts API, Extensions API, Projects API, and 1 more. Tagged areas include Headless Browser, Browser Infrastructure, Web Automation, AI Agents, and Web Scraping.

The Browserbase catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Browserbase’s developer surface includes authentication, documentation, API reference, engineering blog, pricing, changelog, signup flow, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

55.4/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreeSelf serve⚡ Free to try

4 APIs

Headless BrowserBrowser InfrastructureWeb AutomationAI AgentsWeb ScrapingStagehandPlaywrightPuppeteerWeb SearchWeb FetchModel GatewayMCPSession RecordingAgent Identity

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 55.4/100 · developing

Contract Quality 15.7 / 25

Developer Ergonomics 5.7 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 7.5 / 13

Governance 7.0 / 12

Discoverability 7.4 / 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/browserbase: 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.

Rate Limits 1

Documented rate limits and quota policies.

Browserbase Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

JSON Schema 3

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

Examples 5

Example request and response payloads for these APIs.

Get Started 1

Portal, sign-up, and the first successful call

Signup

Signup

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

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 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

StatusPage

StatusPage

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

Careers

Careers

Other 1

Properties that don't map to a standard resource type

Enterprise

Enterprise

Source (apis.yml)

aid: browserbase
name: Browserbase
description: Browserbase is a browser-agent platform that provides managed, headless Chromium browsers and supporting web
  primitives for AI agents and automation workloads. Customers use a single API key to spin up sessions, fetch and search
  the web, persist context, route LLM calls, and observe agent behavior across replays and logs. The company maintains the
  popular open-source Stagehand SDK, a Director UI for agent design, a Browse CLI, and an MCP server. Target customers are
  AI startups, agent developers, RPA teams, and enterprises running production web automation, with SOC 2 Type II and HIPAA
  options. Billing is usage-based with a free tier and paid plans on the pricing page.
type: Index
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/browserbase.png
tags:
- Headless Browser
- Browser Infrastructure
- Web Automation
- AI Agents
- Web Scraping
- Stagehand
- Playwright
- Puppeteer
- Web Search
- Web Fetch
- Model Gateway
- MCP
- Session Recording
- Agent Identity
url: https://raw.githubusercontent.com/api-evangelist/browserbase/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-25'
specificationVersion: '0.20'
apis:
- aid: browserbase:browserbase-contexts-api
  name: Browserbase Contexts API
  description: The Contexts API from Browserbase — 2 operation(s) for contexts.
  humanURL: https://docs.browserbase.com
  baseURL: https://api.browserbase.com
  tags:
  - Contexts
  properties:
  - type: OpenAPI
    url: openapi/browserbase-contexts-api-openapi.yml
  - type: Documentation
    url: https://docs.browserbase.com
  - type: APIReference
    url: https://docs.browserbase.com/reference/introduction
  - type: GettingStarted
    url: https://docs.browserbase.com/quickstart
  - type: Signup
    url: https://www.browserbase.com/sign-up
  - type: SDKs
    url: https://github.com/browserbase/sdk-node
  - type: SDKs
    url: https://github.com/browserbase/sdk-python
  - type: SDKs
    url: https://github.com/browserbase/stagehand
  - type: SDKs
    url: https://github.com/browserbase/stagehand-python
  - type: CLI
    url: https://github.com/browserbase/browse-cli
  - type: GitHubRepository
    url: https://github.com/browserbase/mcp-server-browserbase
  - type: JSONSchema
    url: json-schema/browserbase-session-schema.json
  - type: Plans
    url: plans/browserbase-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/browserbase-rate-limits.yml
  - type: FinOps
    url: finops/browserbase-finops.yml
  - type: Capabilities
    url: capabilities/sessions.yaml
  - type: Vocabulary
    url: vocabulary/browserbase-vocabulary.yml
  - type: Rules
    url: rules/browserbase-rules.yml
  - type: ChangeLog
    url: https://www.browserbase.com/changelog
  - type: StatusPage
    url: https://status.browserbase.com
  - type: Pricing
    url: https://www.browserbase.com/pricing
  - type: Enterprise
    url: https://www.browserbase.com/enterprise
- aid: browserbase:browserbase-extensions-api
  name: Browserbase Extensions API
  description: The Extensions API from Browserbase — 2 operation(s) for extensions.
  humanURL: https://docs.browserbase.com
  baseURL: https://api.browserbase.com
  tags:
  - Extensions
  properties:
  - type: OpenAPI
    url: openapi/browserbase-extensions-api-openapi.yml
  - type: Documentation
    url: https://docs.browserbase.com
  - type: APIReference
    url: https://docs.browserbase.com/reference/introduction
  - type: GettingStarted
    url: https://docs.browserbase.com/quickstart
  - type: Signup
    url: https://www.browserbase.com/sign-up
  - type: SDKs
    url: https://github.com/browserbase/sdk-node
  - type: SDKs
    url: https://github.com/browserbase/sdk-python
  - type: SDKs
    url: https://github.com/browserbase/stagehand
  - type: SDKs
    url: https://github.com/browserbase/stagehand-python
  - type: CLI
    url: https://github.com/browserbase/browse-cli
  - type: GitHubRepository
    url: https://github.com/browserbase/mcp-server-browserbase
  - type: JSONSchema
    url: json-schema/browserbase-session-schema.json
  - type: Plans
    url: plans/browserbase-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/browserbase-rate-limits.yml
  - type: FinOps
    url: finops/browserbase-finops.yml
  - type: Capabilities
    url: capabilities/sessions.yaml
  - type: Vocabulary
    url: vocabulary/browserbase-vocabulary.yml
  - type: Rules
    url: rules/browserbase-rules.yml
  - type: ChangeLog
    url: https://www.browserbase.com/changelog
  - type: StatusPage
    url: https://status.browserbase.com
  - type: Pricing
    url: https://www.browserbase.com/pricing
  - type: Enterprise
    url: https://www.browserbase.com/enterprise
- aid: browserbase:browserbase-projects-api
  name: Browserbase Projects API
  description: The Projects API from Browserbase — 3 operation(s) for projects.
  humanURL: https://docs.browserbase.com
  baseURL: https://api.browserbase.com
  tags:
  - Projects
  properties:
  - type: OpenAPI
    url: openapi/browserbase-projects-api-openapi.yml
  - type: Documentation
    url: https://docs.browserbase.com
  - type: APIReference
    url: https://docs.browserbase.com/reference/introduction
  - type: GettingStarted
    url: https://docs.browserbase.com/quickstart
  - type: Signup
    url: https://www.browserbase.com/sign-up
  - type: SDKs
    url: https://github.com/browserbase/sdk-node
  - type: SDKs
    url: https://github.com/browserbase/sdk-python
  - type: SDKs
    url: https://github.com/browserbase/stagehand
  - type: SDKs
    url: https://github.com/browserbase/stagehand-python
  - type: CLI
    url: https://github.com/browserbase/browse-cli
  - type: GitHubRepository
    url: https://github.com/browserbase/mcp-server-browserbase
  - type: JSONSchema
    url: json-schema/browserbase-session-schema.json
  - type: Plans
    url: plans/browserbase-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/browserbase-rate-limits.yml
  - type: FinOps
    url: finops/browserbase-finops.yml
  - type: Capabilities
    url: capabilities/sessions.yaml
  - type: Vocabulary
    url: vocabulary/browserbase-vocabulary.yml
  - type: Rules
    url: rules/browserbase-rules.yml
  - type: ChangeLog
    url: https://www.browserbase.com/changelog
  - type: StatusPage
    url: https://status.browserbase.com
  - type: Pricing
    url: https://www.browserbase.com/pricing
  - type: Enterprise
    url: https://www.browserbase.com/enterprise
- aid: browserbase:browserbase-sessions-api
  name: Browserbase Sessions API
  description: The Sessions API from Browserbase — 6 operation(s) for sessions.
  humanURL: https://docs.browserbase.com
  baseURL: https://api.browserbase.com
  tags:
  - Sessions
  properties:
  - type: OpenAPI
    url: openapi/browserbase-sessions-api-openapi.yml
  - type: Documentation
    url: https://docs.browserbase.com
  - type: APIReference
    url: https://docs.browserbase.com/reference/introduction
  - type: GettingStarted
    url: https://docs.browserbase.com/quickstart
  - type: Signup
    url: https://www.browserbase.com/sign-up
  - type: SDKs
    url: https://github.com/browserbase/sdk-node
  - type: SDKs
    url: https://github.com/browserbase/sdk-python
  - type: SDKs
    url: https://github.com/browserbase/stagehand
  - type: SDKs
    url: https://github.com/browserbase/stagehand-python
  - type: CLI
    url: https://github.com/browserbase/browse-cli
  - type: GitHubRepository
    url: https://github.com/browserbase/mcp-server-browserbase
  - type: JSONSchema
    url: json-schema/browserbase-session-schema.json
  - type: Plans
    url: plans/browserbase-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/browserbase-rate-limits.yml
  - type: FinOps
    url: finops/browserbase-finops.yml
  - type: Capabilities
    url: capabilities/sessions.yaml
  - type: Vocabulary
    url: vocabulary/browserbase-vocabulary.yml
  - type: Rules
    url: rules/browserbase-rules.yml
  - type: ChangeLog
    url: https://www.browserbase.com/changelog
  - type: StatusPage
    url: https://status.browserbase.com
  - type: Pricing
    url: https://www.browserbase.com/pricing
  - type: Enterprise
    url: https://www.browserbase.com/enterprise
common:
- type: AgenticAccess
  url: agentic-access/browserbase-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/browserbase-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/browserbase-domain-security.yml
- type: Authentication
  url: authentication/browserbase-authentication.yml
- type: Website
  url: https://www.browserbase.com
- type: Documentation
  url: https://docs.browserbase.com
- type: APIReference
  url: https://docs.browserbase.com/reference/introduction
- type: Blog
  url: https://www.browserbase.com/blog
- type: GitHubOrganization
  url: https://github.com/browserbase
- type: Pricing
  url: https://www.browserbase.com/pricing
- type: Enterprise
  url: https://www.browserbase.com/enterprise
- type: ChangeLog
  url: https://www.browserbase.com/changelog
- type: StatusPage
  url: https://status.browserbase.com
- type: Signup
  url: https://www.browserbase.com/sign-up
- type: Careers
  url: https://www.browserbase.com/careers
- type: TermsOfService
  url: https://www.browserbase.com/terms-of-service
- type: PrivacyPolicy
  url: https://www.browserbase.com/privacy-policy
- type: LlmsText
  url: https://docs.browserbase.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Browserbase

APIs 4

Open Collections 1

Pricing Plans 1