Clerk.io website screenshot

Clerk.io

Clerk.io is an e-commerce personalization platform that uses artificial intelligence and machine learning to deliver tailored product recommendations, on-site search results, audience-segmented email campaigns, and merchandising controls for online retailers. The platform exposes a REST API for product, category, order, and customer data ingestion, plus client-side JavaScript and Liquid templating for recommendation slots and search experiences.

Clerk.io publishes 20 APIs on the APIs.io network, including Accessories API, Audiences API, Campaigns API, and 17 more. Tagged areas include Artificial Intelligence, Commerce, E-Commerce, Email Marketing, and Personalization.

The Clerk.io catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Clerk.io’s developer surface includes authentication, documentation, engineering blog, pricing, API reference, getting-started guide, support, and 34 more developer resources.

58.3/100 strong ▬ flat Agent 35/100 agent ready Front door AI 6/6 dominant saas Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0
2 APIs 1 MCP Servers
Artificial IntelligenceCommerceE-CommerceEmail MarketingPersonalizationRecommendationsSearch

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0
Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) 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 applies to this provider. This API accepts writes, so it carries 10 points of the composite. It is scored from the published contracts themselves: whether a caller can create-or-update in one call, whether the write accepts a key the caller already holds, and whether the response says which branch ran. Without that, every write needs a search-and-branch in front of it, and the first time that check is skipped a duplicate record is created. Scored against the observed mean rather than raw — a provider at the catalog average is unchanged by this facet, not penalised by it.
The six quality facets above are damped to 75 points between them, because the conditional facet above carries the other 25. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 75% 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/clerk-io: 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 20

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

Clerk.js Client Library

Clerk.js is the browser-side JavaScript library for embedding Clerk.io recommendation slots, search, and email opens on a storefront, with Liquid templating support and event tr...

Clerk.io Accessories API

The Accessories API from Clerk.io — 1 operation(s) for accessories.

Clerk.io Audiences API

The Audiences API from Clerk.io — 3 operation(s) for audiences.

Clerk.io Campaigns API

The Campaigns API from Clerk.io — 2 operation(s) for campaigns.

Clerk.io Merchandising API

The Merchandising API from Clerk.io — 4 operation(s) for merchandising.

Clerk.io Privacy API

The Privacy API from Clerk.io — 2 operation(s) for privacy.

Clerk.io Recommendations API

The Recommendations API from Clerk.io — 25 operation(s) for recommendations.

Clerk.io Search API

The Search API from Clerk.io — 6 operation(s) for search.

Clerk.io Categories API

The Categories API from Clerk.io — 1 operation(s) for categories.

Clerk.io Customers API

The Customers API from Clerk.io — 1 operation(s) for customers.

Clerk.io Customized Search API

The Customized Search API from Clerk.io — 1 operation(s) for customized search.

Clerk.io Log API

The Log API from Clerk.io — 9 operation(s) for log.

Clerk.io Orders API

The Orders API from Clerk.io — 2 operation(s) for orders.

Clerk.io Pages API

The Pages API from Clerk.io — 1 operation(s) for pages.

Clerk.io Product API

The Product API from Clerk.io — 4 operation(s) for product.

Clerk.io Products API

The Products API from Clerk.io — 1 operation(s) for products.

Clerk.io Redirects API

The Redirects API from Clerk.io — 1 operation(s) for redirects.

Clerk.io Subscriber API

The Subscriber API from Clerk.io — 2 operation(s) for subscriber.

Clerk.io Synonyms API

The Synonyms API from Clerk.io — 1 operation(s) for synonyms.

Clerk.io Token API

The Token API from Clerk.io — 1 operation(s) for token.

Scroll for all 20

Open Collections 1

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

Clerk.io API

OPEN COLLECTION

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Clerk Io Rate Limits

0 limits

RATE LIMITS

FinOps 1

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

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Clerk Io Context

0 classes · 5 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Clerk.io API Rules

8 rules · 4 errors 4 warnings

SPECTRAL

Security Posture 3

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

Clerk Io Authentication

apiKey · 3 schemes

SECURITY

Clerk Io Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Clerk Io Trust Center

SOC 2, ISO 27001, GDPR

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

Documentation 2

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Scroll for all 8

Build 4

SDKs, sample code, and the tooling you integrate with

Access & Security 5

Authentication, authorization, and security posture

Operate 3

Status, limits, changes, and where to get help

Commercial 5

Pricing, plans, and the legal terms of use

Company 4

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: clerk-io
name: Clerk.io
url: https://raw.githubusercontent.com/api-evangelist/clerk-io/refs/heads/main/apis.yml
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: usage-based
  onboarding: signup-required
  trial: true
  trial_url: https://www.clerk.io/free-trial
  try_now: false
  public: false
  label: Usage-Based
  confidence: high
  source:
  - https://www.clerk.io/pricing
  - https://www.clerk.io/free-trial
  - plans/clerk-io-plans-pricing.yml
  generated: '2026-08-13'
  method: searched
  note: 'Corrected 2026-08-13. The prior derived block read "freemium / trial: false" from a fabricated plans scaffold. Clerk.io
    sells five metered products a la carte with no free tier and no named subscription tiers, and does offer a free trial.
    Per-band prices are calculator-only and are not published in machine-readable form.'
created: '2025-02-08'
modified: '2026-08-13'
type: Index
access: 3rd-Party
position: Consuming
specificationVersion: '0.23'
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/clerk-io.png
kind: company
x-docs-platform: readme
x-docs-platform-confidence: high
x-docs-platform-checked: 2026-09-24
tags:
- Artificial Intelligence
- Commerce
- E-Commerce
- Email Marketing
- Personalization
- Recommendations
- Search
tags_raw:
- AI
- Commerce
- E-Commerce
- Email Marketing
- Personalization
- Recommendations
- Search
description: Clerk.io is an e-commerce personalization platform that uses artificial intelligence and machine learning to
  deliver tailored product recommendations, on-site search results, audience-segmented email campaigns, and merchandising
  controls for online retailers. The platform exposes a REST API for product, category, order, and customer data ingestion,
  plus client-side JavaScript and Liquid templating for recommendation slots and search experiences.
apis:
- aid: clerk-io:clerkjs
  name: Clerk.js Client Library
  tags:
  - Client Library
  - JavaScript
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  properties:
  - url: https://docs.clerk.io/docs/clerkjs-quick-start
    type: Documentation
  - url: https://cdn.clerk.io/clerk.js
    type: SourceCode
  - url: https://docs.clerk.io/docs/clerkjs-cdn
    type: CDN
  - url: components/clerk-io-components.yml
    type: Components
  description: Clerk.js is the browser-side JavaScript library for embedding Clerk.io recommendation slots, search, and email
    opens on a storefront, with Liquid templating support and event tracking.
- aid: clerk-io:clerk-io-accessories-api
  name: Clerk.io Accessories API
  description: The Accessories API from Clerk.io — 1 operation(s) for accessories.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Accessories
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-accessories-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-audiences-api
  name: Clerk.io Audiences API
  description: The Audiences API from Clerk.io — 3 operation(s) for audiences.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Audiences
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-audiences-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-campaigns-api
  name: Clerk.io Campaigns API
  description: The Campaigns API from Clerk.io — 2 operation(s) for campaigns.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Campaigns
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-campaigns-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-merchandising-api
  name: Clerk.io Merchandising API
  description: The Merchandising API from Clerk.io — 4 operation(s) for merchandising.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Merchandising
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-merchandising-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-privacy-api
  name: Clerk.io Privacy API
  description: The Privacy API from Clerk.io — 2 operation(s) for privacy.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Privacy
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-privacy-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-recommendations-api
  name: Clerk.io Recommendations API
  description: The Recommendations API from Clerk.io — 25 operation(s) for recommendations.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Recommendations
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-recommendations-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-search-api
  name: Clerk.io Search API
  description: The Search API from Clerk.io — 6 operation(s) for search.
  humanURL: https://docs.clerk.io/
  baseURL: https://api.clerk.io/v2
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-search-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-categories-api
  name: Clerk.io Categories API
  description: The Categories API from Clerk.io — 1 operation(s) for categories.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Categories
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-categories-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-customers-api
  name: Clerk.io Customers API
  description: The Customers API from Clerk.io — 1 operation(s) for customers.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Customers
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-customers-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-customized-search-api
  name: Clerk.io Customized Search API
  description: The Customized Search API from Clerk.io — 1 operation(s) for customized search.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Customized Search
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-customized-search-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-log-api
  name: Clerk.io Log API
  description: The Log API from Clerk.io — 9 operation(s) for log.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Log
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-log-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-orders-api
  name: Clerk.io Orders API
  description: The Orders API from Clerk.io — 2 operation(s) for orders.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Order
  tags_raw:
  - Orders
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-orders-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-pages-api
  name: Clerk.io Pages API
  description: The Pages API from Clerk.io — 1 operation(s) for pages.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Pages
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-pages-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-product-api
  name: Clerk.io Product API
  description: The Product API from Clerk.io — 4 operation(s) for product.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Product
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-product-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-products-api
  name: Clerk.io Products API
  description: The Products API from Clerk.io — 1 operation(s) for products.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Product
  tags_raw:
  - Products
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-products-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-redirects-api
  name: Clerk.io Redirects API
  description: The Redirects API from Clerk.io — 1 operation(s) for redirects.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Redirects
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-redirects-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-subscriber-api
  name: Clerk.io Subscriber API
  description: The Subscriber API from Clerk.io — 2 operation(s) for subscriber.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Subscriber
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-subscriber-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-synonyms-api
  name: Clerk.io Synonyms API
  description: The Synonyms API from Clerk.io — 1 operation(s) for synonyms.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Synonyms
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-synonyms-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
- aid: clerk-io:clerk-io-token-api
  name: Clerk.io Token API
  description: The Token API from Clerk.io — 1 operation(s) for token.
  humanURL: https://docs.clerk.io/docs/clerkjs-quick-start
  baseURL: https://api.clerk.io/v2
  tags:
  - Tokens
  tags_raw:
  - Token
  properties:
  - type: OpenAPI
    url: openapi/clerk-io-token-api-openapi.yml
  - type: ToolCrosswalk
    url: mcp/clerk-io-tool-crosswalk.yml
  - type: Documentation
    url: https://docs.clerk.io/
  - type: APIReference
    url: https://docs.clerk.io/reference
  - type: GettingStarted
    url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
  - type: Authentication
    url: https://docs.clerk.io/docs/authentication
  - type: ErrorCodes
    url: https://docs.clerk.io/docs/errors
  - type: Pagination
    url: https://docs.clerk.io/docs/pagenation
common:
- type: Authentication
  url: authentication/clerk-io-authentication.yml
- type: TrustCenter
  url: security/clerk-io-trust-center.yml
- type: DomainSecurity
  url: security/clerk-io-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/clerkio
- type: LinkedIn
  url: https://www.linkedin.com/company/clerk-io
- type: Website
  url: https://www.clerk.io/
- type: Documentation
  url: https://docs.clerk.io/
- type: Knowledgebase
  url: https://help.clerk.io/
- type: StatusPage
  url: https://status.clerk.io/
- type: Blog
  url: https://www.clerk.io/blogs
- type: Pricing
  url: https://www.clerk.io/pricing
- type: Partners
  url: https://www.clerk.io/partners
- type: Integrations
  url: https://www.clerk.io/integrations
- type: Trust Center
  url: https://trust.clerk.io/
- type: TermsOfService
  url: https://www.clerk.io/terms-of-service
- type: PrivacyPolicy
  url: https://www.clerk.io/privacy
- type: JSONLD
  url: json-ld/clerk-io-context.jsonld
- type: Spectral
  url: rules/clerk-io-rules.yml
- type: LlmsText
  url: https://docs.clerk.io/llms.txt
- type: LLMsTxt
  url: llms/clerk-io-llms.txt
- type: DeveloperPortal
  url: https://docs.clerk.io/
- type: APIReference
  url: https://docs.clerk.io/reference
- type: GettingStarted
  url: https://docs.clerk.io/docs/how-the-clerkio-platform-works
- type: Support
  url: https://help.clerk.io/
- type: SignUp
  url: https://www.clerk.io/free-trial
- type: Login
  url: https://my.clerk.io/
- type: Packages
  url: packages/clerk-io-packages.yml
- type: SDKs
  url: packages/clerk-io-packages.yml
- type: MCPServer
  url: mcp/clerk-io-mcp.yml
- type: ToolCrosswalk
  url: mcp/clerk-io-tool-crosswalk.yml
- type: Overlay
  url: overlays/clerk-io-api-overlay.yaml
- type: Conformance
  url: conformance/clerk-io-conformance.yml
- type: Compliance
  url: https://trust.clerk.io/
- type: ErrorCatalog
  url: errors/clerk-io-problem-types.yml
- type: Lifecycle
  url: lifecycle/clerk-io-lifecycle.yml
- type: Conventions
  url: conventions/clerk-io-conventions.yml
- type: DataModel
  url: data-model/clerk-io-data-model.yml
- type: Components
  url: components/clerk-io-components.yml
- type: Plans
  url: plans/clerk-io-plans-pricing.yml
- type: RateLimits
  url: rate-limits/clerk-io-rate-limits.yml
- type: FinOps
  url: finops/clerk-io-finops.yml
- type: AgentSkill
  url: skills/_index.yml
integrations:
- name: cler.io
- name: Heart
- name: Icon symbolizing AI
- name: People icon, symbolizing audience
- name: Envelope icon symbolizing email
- name: Icon symbolizing a platform
- name: Reviews
- name: Icon symbolizing integration process
- name: Icon symbolizing integrations
- name: people
- name: Icon of a graph symbolizing verticals
- name: Icon symbolizing careers
- name: Handshake icon symbolizing partnerships
- name: Book icon symbolizing knowledge
- name: shield orange
- name: people orange
- name: interrogation orange
- name: book orange
- name: play orange
- name: shopify
- name: magneto
- name: big comemrce
- name: shopware
- name: woo commerce
- name: presta shop
- name: dandomain
- name: lightspeed
- name: smartweb
- name: shoporama
- name: JTL
- name: clerk.io
maintainers:
- FN: Kin Lane
  email: kinlane@gmail.com
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 21
  pass: local-v1
x-coverage:
  state: covered
  reason: covered
  detail: Clerk.io publishes a real OpenAPI 3.1.0 - 65 paths, 101 operations, servers https://api.clerk.io/v2 - through its
    ReadMe developer portal, plus a verbatim llms.txt and a remote (auth-gated) MCP endpoint at https://docs.clerk.io/mcp.
    The prior round had only a 20-operation best-effort spec hand-written from the docs and no contract pointer at all.
  evidence:
  - url: https://docs.clerk.io/reference/products-post
    status: 200
  - url: https://docs.clerk.io/llms.txt
    status: 200
  - url: https://docs.clerk.io/mcp
    status: 200
  - url: https://api.clerk.io/openapi.json
    status: 404
  checked: '2026-08-13'

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this
  • find_providersBrowse and filter every provider in the catalog.
  • get_provider_artifactsEvery artifact this provider publishes, grouped by type.
  • get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
  • get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
  • get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
  • get_provider_ratingPRO — composite, band, trend and facet scores.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This provider
curl "https://apis.io/api/v1/providers/clerk-io"
All providers
curl "https://apis.io/api/v1/providers?limit=25"
Every operation they expose
curl "https://apis.io/api/v1/providers/clerk-io/operations?limit=25"
How their score was established
curl "https://apis.io/api/v1/providers/clerk-io/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.