4chems

4chems provides EU‑hosted AI‑enhanced services for chemical regulatory software such as IUCLID, CHESAR and QSAR Toolbox. They offer managed hosting, migration, and AI connectors that enable model‑based assessments and compliance workflows. The company serves consultants and firms handling REACH registration, biocides, plant protection and other chemical safety regulations, delivering cloud‑based instances of these specialist tools with expert support and integration options.

4chems publishes 14 API contracts indexed on the APIs.io network, including Authz API, Billing API, Catalog API, and 11 more. Tagged areas include Chemicals, Regulatory, Artificial Intelligence, Hosting, and Consulting.

The 4chems catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

4chems’ developer surface includes pricing, authentication, support, and 22 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

32.4/100 thin ▬ flat Agent 31/100 agent ready Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 published contract 4 Agent Skills

Chemicals Regulatory Artificial Intelligence Hosting Consulting EU

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 32.4/100 · thin

Contract Quality 12.5 / 21

Developer Ergonomics 2.7 / 17

Access Clarity 2.7 / 17

Operational Transparency 0.6 / 11

Contract Governance 2.2 / 10

Discoverability 5.6 / 9

Regulatory Posture 3.7 / 15

Agent readiness — 31/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 9 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 0 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

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/.

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Agent readiness — checks not met, largest first (exact, from this profile):

MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)

8 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Developer Ergonomics scores 16.1 — up to +16.8 composite points
Access Clarity scores 15.8 — up to +16.8 composite points
Operational Transparency scores 5.3 — up to +12.3 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

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 the provider profile at artifacts.apis.io/4chems-com/apis.yml: open an issue on github.com/api-evangelist/4chems-com to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

OpenAPI

measured — observed by APIs.io (published)

APIs 14

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

4chems Authz API

The authz API from 4chems — 4 operation(s) for authz.

4chems Billing API

The billing API from 4chems — 1 operation(s) for billing.

4chems Catalog API

The catalog API from 4chems — 4 operation(s) for catalog.

4chems Consents API

The consents API from 4chems — 1 operation(s) for consents.

4chems Customer API

The customer API from 4chems — 1 operation(s) for customer.

4chems Infra Operations API

The infra-operations API from 4chems — 4 operation(s) for infra-operations.

4chems Infrastructure API

The infrastructure API from 4chems — 4 operation(s) for infrastructure.

4chems Inquiries API

The inquiries API from 4chems — 2 operation(s) for inquiries.

4chems Invitations API

The invitations API from 4chems — 3 operation(s) for invitations.

4chems Onboarding API

The onboarding API from 4chems — 14 operation(s) for onboarding.

4chems Operations API

The operations API from 4chems — 4 operation(s) for operations.

4chems Reference API

The reference API from 4chems — 1 operation(s) for reference.

4chems Tenants API

The tenants API from 4chems — 2 operation(s) for tenants.

4chems Trials API

The trials API from 4chems — 5 operation(s) for trials.

Scroll for all 14

Agent Skills 4

Packaged agent skills for driving this provider's APIs from an AI assistant.

4chems-com-manage-tenant-services

AGENT SKILL

4chems-com-onboard-device-login

AGENT SKILL

4chems-com-retry-failed-infra-operation

AGENT SKILL

4chems-com-start-and-verify-inquiry

AGENT SKILL

Semantic Vocabularies 1

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

4Chems Com Context

65 classes · 144 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

4chems API Rules

13 rules · 8 errors 3 warnings 2 info

SPECTRAL

JSON Schema 6

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

BillingIn

10 properties

JSON SCHEMA

BillingOut

14 properties

JSON SCHEMA

OperationInfraOut

19 properties

JSON SCHEMA

TemplateOut

15 properties

JSON SCHEMA

TemplateV1Out

12 properties

JSON SCHEMA

TrialOut

14 properties

JSON SCHEMA

Security Posture 3

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

4Chems Com Authentication

http · 1 scheme

SECURITY

4Chems Com Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

4Chems Com Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access 1

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

4Chems Com Agentic Access

57 operations · 37 acting · 4 human-in-the-loop

57 operations · 37 acting

AGENTIC

Resources

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

WellKnown

Design & Contract 8

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

Idempotency

Conventions

ErrorCatalog

Conformance

Scroll for all 8

Access & Security 6

Authentication, authorization, and security posture

SecurityTxt

SecurityTxt

Security

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: 4chems-com
name: 4chems
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-11-06'
  method: derived
image: https://www.4chems.com/images/og-templates/og-bg-2_hu_8fc38ffdee160d31.png
description: 4chems provides EU‑hosted AI‑enhanced services for chemical regulatory software such as IUCLID, CHESAR and QSAR
  Toolbox. They offer managed hosting, migration, and AI connectors that enable model‑based assessments and compliance workflows.
  The company serves consultants and firms handling REACH registration, biocides, plant protection and other chemical safety
  regulations, delivering cloud‑based instances of these specialist tools with expert support and integration options.
url: https://artifacts.apis.io/4chems-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-31 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-31'
modified: '2026-10-31'
tags:
- Chemicals
- Regulatory
- Artificial Intelligence
- Hosting
- Consulting
- EU
tags_raw:
- Chemical
- Regulatory
- AI
- Hosting
- Consulting
- EU
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/4chems-com-agentic-access.yml
- type: Spectral
  url: rules/4chems-com-rules.yml
- type: JSONLD
  url: json-ld/4chems-com-context.jsonld
- type: Vocabulary
  url: vocabulary/4chems-com-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/4chems-com-data-model.yml
- type: Idempotency
  url: conventions/4chems-com-conventions.yml
- type: Conventions
  url: conventions/4chems-com-conventions.yml
- type: ErrorCatalog
  url: errors/4chems-com-problem-types.yml
- type: Conformance
  url: conformance/4chems-com-conformance.yml
- type: LLMsTxt
  url: llms/4chems-com-llms.txt
- type: SecurityTxt
  url: well-known/4chems-com-security.txt
- type: SecurityTxt
  url: well-known/4chems-com-4chems-security.txt
- type: WellKnown
  url: well-known/4chems-com-well-known.yml
- type: Hosts
  url: hosts/4chems-com-hosts.yml
- type: Vendors
  url: vendors/4chems-com-vendors.yml
- type: Security
  url: https://www.4chems.com/tags/security/
- type: Pricing
  url: https://www.4chems.com/tags/pricing/
- type: Authentication
  url: authentication/4chems-com-authentication.yml
- type: VulnerabilityDisclosure
  url: security/4chems-com-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/4chems-com-domain-security.yml
- type: Website
  url: https://www.4chems.com/
- type: PrivacyPolicy
  url: https://www.4chems.com/privacy-policy
- type: TermsOfService
  url: https://www.4chems.com/imprint
- type: Support
  url: https://www.4chems.com/contact/
apis:
- aid: 4chems-com:4chems-com-authz-api
  name: 4chems Authz API
  description: The authz API from 4chems — 4 operation(s) for authz.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - authz
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-authz-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-billing-api
  name: 4chems Billing API
  description: The billing API from 4chems — 1 operation(s) for billing.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Billing
  tags_raw:
  - billing
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-billing-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-catalog-api
  name: 4chems Catalog API
  description: The catalog API from 4chems — 4 operation(s) for catalog.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Catalog
  tags_raw:
  - catalog
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-catalog-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-consents-api
  name: 4chems Consents API
  description: The consents API from 4chems — 1 operation(s) for consents.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Consents
  tags_raw:
  - consents
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-consents-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-customer-api
  name: 4chems Customer API
  description: The customer API from 4chems — 1 operation(s) for customer.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Customers
  tags_raw:
  - customer
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-customer-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-infra-operations-api
  name: 4chems Infra Operations API
  description: The infra-operations API from 4chems — 4 operation(s) for infra-operations.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - infra-operations
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-infra-operations-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-infrastructure-api
  name: 4chems Infrastructure API
  description: The infrastructure API from 4chems — 4 operation(s) for infrastructure.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Infrastructure
  tags_raw:
  - infrastructure
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-infrastructure-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-inquiries-api
  name: 4chems Inquiries API
  description: The inquiries API from 4chems — 2 operation(s) for inquiries.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Inquiries
  tags_raw:
  - inquiries
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-inquiries-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-invitations-api
  name: 4chems Invitations API
  description: The invitations API from 4chems — 3 operation(s) for invitations.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Invitations
  tags_raw:
  - invitations
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-invitations-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-onboarding-api
  name: 4chems Onboarding API
  description: The onboarding API from 4chems — 14 operation(s) for onboarding.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Onboarding
  tags_raw:
  - onboarding
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-onboarding-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-operations-api
  name: 4chems Operations API
  description: The operations API from 4chems — 4 operation(s) for operations.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags: []
  tags_raw:
  - operations
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-operations-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-reference-api
  name: 4chems Reference API
  description: The reference API from 4chems — 1 operation(s) for reference.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Reference
  tags_raw:
  - reference
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-reference-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-tenants-api
  name: 4chems Tenants API
  description: The tenants API from 4chems — 2 operation(s) for tenants.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Tenants
  tags_raw:
  - tenants
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-tenants-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
- aid: 4chems-com:4chems-com-trials-api
  name: 4chems Trials API
  description: The trials API from 4chems — 5 operation(s) for trials.
  humanURL: https://api.4chems.com
  baseURL: https://api.4chems.com
  tags:
  - Trials
  tags_raw:
  - trials
  properties:
  - type: OpenAPI
    url: openapi/4chems-com-trials-api-openapi.yml
  - type: JSONSchema
    url: json-schema/4chems-com-operation-infra-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-trial-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-billing-in-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-v1-out-schema.json
  - type: JSONSchema
    url: json-schema/4chems-com-template-out-schema.json
x-enrichment:
  date: '2026-10-31'
  status: enriched
  artifacts_added: 34
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

4chems API — frequently asked questions

Does 4chems have an API?

Yes. APIs.io lists 14 APIs from 4chems, including 4chems Authz API, 4chems Billing API and 4chems Catalog API, and 11 more.

Is there an OpenAPI specification for the 4chems API?

Yes. APIs.io indexes 14 OpenAPI specifications for 4chems, each linked for download from this page.

How do I authenticate with the 4chems API?

4chems uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as 4Chems Com Authentication.

Is the 4chems API ready for AI agents?

4chems has a Kin Score of 32.4 out of 100 (thin) and an Agent Readiness score of 30.8 (agent-ready), scored by API Evangelist on 2026-11-06.

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/4chems-com"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/4chems-com/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/4chems-com/evidence"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

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