Curse

Curse (Curse Inc.) built and operated CurseForge, Gamepedia, and the Curse gaming network; its platform assets are now operated under Fandom / Overwolf. The live developer surface is the CurseForge Core API — a REST API over the CurseForge catalog of game mods, modpacks, and add-ons, covering games, categories, mods, files, fingerprint matching, and Minecraft versions and mod loaders. It is authenticated with an x-api-key header issued from the CurseForge for Studios developer console, with third-party access granted via an approved application.

Curse publishes 7 API contracts indexed on the APIs.io network, including Categories API, Files API, Games API, and 4 more. Tagged areas include Company, Gaming, MODS, Minecraft, and Game Content.

The Curse catalog on APIs.io includes 1 Spectral governance ruleset.

Curse’s developer surface includes engineering blog, documentation, API reference, getting-started guide, support, signup flow, authentication, and 22 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

45.6/100 developing ▬ flat Agent 20/100 agent aware saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 published contract 2 Agent Skills

Company GamingMODSMinecraftGame ContentDeveloper Platform Catalog

Kin Score

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

Composite quality — 45.6/100 · developing

Contract Quality 9.3 / 19

Developer Ergonomics 8.8 / 15

Access Clarity 5.1 / 15

Operational Transparency 2.6 / 10

Contract Governance 1.6 / 9

Discoverability 5.5 / 8

Regulatory Posture 4.6 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 20/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 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 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/.

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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
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
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

9 more unmet checks in the Agent Readiness table above.

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

Access Clarity scores 34.2 — up to +13.2 composite points
Contract Quality scores 49.8 — up to +12.6 composite points
Contract Governance scores 18.2 — up to +9.8 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/curse/apis.yml: open an issue on github.com/api-evangelist/curse 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 7

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

Curse Categories API

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

Curse Files API

The Files API from Curse — 7 operation(s) for files.

Curse Games API

The Games API from Curse — 6 operation(s) for games.

Curse Minecraft API

The Minecraft API from Curse — 4 operation(s) for minecraft.

Curse Mods API

The Mods API from Curse — 19 operation(s) for mods.

Curse Subscriptions API

The Subscriptions API from Curse — 5 operation(s) for subscriptions.

Curse User Mods API

The UserMods API from Curse — 2 operation(s) for usermods.

Scroll for all 7

Open Collections 7

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

CurseForge Core Categories API

OPEN COLLECTION

CurseForge Core Categories Files API

OPEN COLLECTION

CurseForge Core Categories Fingerprints API

OPEN COLLECTION

CurseForge Core Categories Games API

OPEN COLLECTION

CurseForge Core Categories Minecraft API

OPEN COLLECTION

CurseForge Core Categories Mods API

OPEN COLLECTION

CurseForge Core Categories Subscriptions API

OPEN COLLECTION

Scroll for all 7

Agent Skills 2

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

Match installed mods by fingerprint

AGENT SKILL

Search and download a CurseForge mod

AGENT SKILL

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Curse API Rules

54 rules · 41 errors 8 warnings 5 info

SPECTRAL

OpenAPI Overlays 1

Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.

Curse Core Overlay

1 action · update · curse-core-openapi-original.yml

DERIVED

Security Posture 3

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

Curse Authentication

apiKey · 1 scheme

SECURITY

Curse Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Curse Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Agentic Access 1

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

Curse Agentic Access

46 operations · 6 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 3

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

OpenAPI

OpenAPI

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

X-MCPServerCandidate

LLMsTxt

AgentSkill

AgenticAccess

WellKnown

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions

ErrorCatalog

Lifecycle

Conformance

DataModel

Build 1

SDKs, sample code, and the tooling you integrate with

Packages

Packages

Access & Security 4

Authentication, authorization, and security posture

Authentication

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

DomainSecurity

DomainSecurity

Operate 2

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Blog

Blog

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: curse
name: Curse
description: Curse (Curse Inc.) built and operated CurseForge, Gamepedia, and the Curse gaming network; its platform assets
  are now operated under Fandom / Overwolf. The live developer surface is the CurseForge Core API — a REST API over the CurseForge
  catalog of game mods, modpacks, and add-ons, covering games, categories, mods, files, fingerprint matching, and Minecraft
  versions and mod loaders. It is authenticated with an x-api-key header issued from the CurseForge for Studios developer
  console, with third-party access granted via an approved application.
url: https://raw.githubusercontent.com/api-evangelist/curse/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- ggv-capital
- uncork-capital
x-tier: stub
x-tier-reason: portfolio-lead
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: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-11-06'
  method: derived
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-10-06'
image: https://www.curseforge.com/images/mods/logos/curseforge.png
x-docs-platform: docusaurus
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-09-25
x-docs-hosting: aws-cloudfront
tags:
- Company
- Gaming
- MODS
- Minecraft
- Game Content
- Developer Platform
- Catalog
tags_raw:
- Company
- Gaming
- Mods
- Minecraft
- Game Content
- Developer Platform
- Catalog
apis:
- aid: curse:curse-categories-api
  name: Curse Categories API
  description: The Categories API from Curse — 1 operation(s) for categories.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - Categories
  properties:
  - type: OpenAPI
    url: openapi/curse-categories-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-files-api
  name: Curse Files API
  description: The Files API from Curse — 7 operation(s) for files.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - File
  tags_raw:
  - Files
  properties:
  - type: OpenAPI
    url: openapi/curse-files-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-games-api
  name: Curse Games API
  description: The Games API from Curse — 6 operation(s) for games.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - Games
  properties:
  - type: OpenAPI
    url: openapi/curse-games-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-minecraft-api
  name: Curse Minecraft API
  description: The Minecraft API from Curse — 4 operation(s) for minecraft.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - Minecraft
  properties:
  - type: OpenAPI
    url: openapi/curse-minecraft-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-mods-api
  name: Curse Mods API
  description: The Mods API from Curse — 19 operation(s) for mods.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - MODS
  tags_raw:
  - Mods
  properties:
  - type: OpenAPI
    url: openapi/curse-mods-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-subscriptions-api
  name: Curse Subscriptions API
  description: The Subscriptions API from Curse — 5 operation(s) for subscriptions.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - Subscription
  tags_raw:
  - Subscriptions
  properties:
  - type: OpenAPI
    url: openapi/curse-subscriptions-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
- aid: curse:curse-usermods-api
  name: Curse User Mods API
  description: The UserMods API from Curse — 2 operation(s) for usermods.
  humanURL: https://docs.curseforge.com/rest-api/
  baseURL: https://api.curseforge.com
  tags:
  - UserMods
  properties:
  - type: OpenAPI
    url: openapi/curse-usermods-api-openapi.yml
  - type: Documentation
    url: https://docs.curseforge.com/rest-api/
  - type: APIReference
    url: https://docs.curseforge.com/rest-api/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- url: https://about.fandom.com/newsroom
  type: Blog
- type: Website
  url: https://www.fandom.com/
- type: DeveloperPortal
  url: https://console.curseforge.com/
- type: Documentation
  url: https://docs.curseforge.com/rest-api/
- type: APIReference
  url: https://docs.curseforge.com/rest-api/
- type: GettingStarted
  url: https://docs.curseforge.com/rest-api/
- type: Support
  url: https://support.curseforge.com/
- type: Blog
  url: https://blog.curseforge.com/
- type: StatusPage
  url: https://status.curseforge.com/
- type: SignUp
  url: https://console.curseforge.com/
- type: TermsOfService
  url: https://docs.curseforge.com/rest-api/#terms-of-use
- type: PrivacyPolicy
  url: https://www.fandom.com/privacy-policy
- type: OpenAPI
  url: openapi/_original/curse-core-openapi-original.yml
- type: Overlay
  url: overlays/curse-core-overlay.yaml
- type: X-MCPServerCandidate
  url: mcp/curse-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: LLMsTxt
  url: llms/curse-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Authentication
  url: authentication/curse-authentication.yml
- type: AgenticAccess
  url: agentic-access/curse-agentic-access.yml
- type: Conventions
  url: conventions/curse-conventions.yml
- type: ErrorCatalog
  url: errors/curse-problem-types.yml
- type: Lifecycle
  url: lifecycle/curse-lifecycle.yml
- type: Conformance
  url: conformance/curse-conformance.yml
- type: DataModel
  url: data-model/curse-data-model.yml
- type: Packages
  url: packages/curse-packages.yml
- type: WellKnown
  url: well-known/curse-well-known.yml
- type: VulnerabilityDisclosure
  url: security/curse-vulnerability-disclosure.yml
- type: Security
  url: https://hackerone.com/fandom_bbp
- type: DomainSecurity
  url: security/curse-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Curse API — frequently asked questions

Does Curse have an API?

Yes. APIs.io lists 7 APIs from Curse, including Curse Categories API, Curse Files API and Curse Games API, and 4 more.

Is there an OpenAPI specification for the Curse API?

Yes. APIs.io indexes 7 OpenAPI specifications for Curse, each linked for download from this page.

How do I authenticate with the Curse API?

Curse uses bearer-token authentication (apiKey · 1 scheme). The details are profiled on APIs.io as Curse Authentication.

Is the Curse API ready for AI agents?

Curse has a Kin Score of 45.6 out of 100 (developing) and an Agent Readiness score of 19.9 (agent-aware), scored by API Evangelist on 2026-11-06.

Work with this as data

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