Jagex

Jagex is a British video game developer and publisher headquartered in Cambridge, England, best known as the studio behind RuneScape and Old School RuneScape - persistent, community-shaped online worlds that have run for over two decades. Beyond the games, Jagex operates a set of public, read-only RuneScape web-data APIs: the Grand Exchange item price and catalogue endpoints (for both RuneScape and Old School RuneScape), the RuneScape and Old School RuneScape Hiscores, and the RuneMetrics player-profile service. These unauthenticated JSON and CSV endpoints power a large third-party ecosystem of price trackers, fan sites, clan tools, and community applications. Jagex was surfaced as a portfolio company of Insight Partners.

Jagex publishes 5 APIs on the APIs.io network. Tagged areas include Company, Gaming, Games, RuneScape, and MMORPG.

Jagex’s developer surface includes documentation, engineering blog, and 11 more developer resources.

🌐 Visit website 📡 Source on GitHub

18.3/100 emerging ▬ flat Agent 0/100 human only Front door AI 1/6 silent saas Full breakdown ↓
scored 2026-09-25 · rubric v0.23.0

5 APIs

Company Gaming GamesRuneScapeMMORPG Video Games Game DataGrand ExchangeHiscoresPlayer Data

Kin Score

Kin Score How this is scored →
scored 2026-09-25 · rubric v0.23.0

Composite quality — 18.3/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 3.6 / 17

Access Clarity 3.6 / 17

Operational Transparency 1.2 / 11

Contract Governance 0.0 / 10

Discoverability 6.7 / 9

Regulatory Posture 2.9 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

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/.

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/jagex: 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 5

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

RuneScape Grand Exchange API

Read-only JSON endpoints for the RuneScape (RS3) Grand Exchange item database - item detail (price, trend, 30/90/180-day movement), category listings, and daily price-history gr...

Old School RuneScape Grand Exchange API

Read-only JSON endpoints for the Old School RuneScape (OSRS) Grand Exchange item database - item detail, category listings, and price-history graphs. Unauthenticated GET.

RuneScape Hiscores API

Player skill and activity rankings for RuneScape (RS3). The index_lite endpoint returns rank, level, and experience per skill as CSV; unauthenticated GET keyed by player display...

Old School RuneScape Hiscores API

Player skill and activity rankings for Old School RuneScape (OSRS). The index_lite endpoint returns rank, level, and experience per skill as CSV; unauthenticated GET keyed by pl...

RuneMetrics Profile API

Public player-profile service for RuneScape (RS3), exposing summary statistics, skill levels, quest progress, and recent activity for accounts that have opted their profile publ...

Security Posture 2

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

Jagex Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Jagex Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

LLMsTxt

LLMsTxt

Access & Security 4

Authentication, authorization, and security posture

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

Security

Security

DomainSecurity

DomainSecurity

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 3

The organization behind the API

Website

Website

Blog

Blog

Careers

Careers

Source (apis.yml)

aid: jagex
name: Jagex
description: 'Jagex is a British video game developer and publisher headquartered in Cambridge, England, best known as the
  studio behind RuneScape and Old School RuneScape - persistent, community-shaped online worlds that have run for over two
  decades. Beyond the games, Jagex operates a set of public, read-only RuneScape web-data APIs: the Grand Exchange item price
  and catalogue endpoints (for both RuneScape and Old School RuneScape), the RuneScape and Old School RuneScape Hiscores,
  and the RuneMetrics player-profile service. These unauthenticated JSON and CSV endpoints power a large third-party ecosystem
  of price trackers, fan sites, clan tools, and community applications. Jagex was surfaced as a portfolio company of Insight
  Partners.'
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://framerusercontent.com/images/9PUahve9ur24noPS9vqowNzFwU.jpg
url: https://raw.githubusercontent.com/api-evangelist/jagex/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- insight-partners
x-tier: profiled
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Gaming
- Games
- RuneScape
- MMORPG
- Video Games
- Game Data
- Grand Exchange
- Hiscores
- Player Data
apis:
- name: RuneScape Grand Exchange API
  description: Read-only JSON endpoints for the RuneScape (RS3) Grand Exchange item database - item detail (price, trend,
    30/90/180-day movement), category listings, and daily price-history graphs. Unauthenticated GET.
  humanURL: https://secure.runescape.com/m=itemdb_rs/
  baseURL: https://secure.runescape.com/m=itemdb_rs/api
  tags:
  - RuneScape
  - Grand Exchange
  - Prices
  - Game Data
  properties:
  - type: Documentation
    url: https://runescape.wiki/w/Application_programming_interface
- name: Old School RuneScape Grand Exchange API
  description: Read-only JSON endpoints for the Old School RuneScape (OSRS) Grand Exchange item database - item detail, category
    listings, and price-history graphs. Unauthenticated GET.
  humanURL: https://secure.runescape.com/m=itemdb_oldschool/
  baseURL: https://secure.runescape.com/m=itemdb_oldschool/api
  tags:
  - Old School RuneScape
  - Grand Exchange
  - Prices
  - Game Data
- name: RuneScape Hiscores API
  description: Player skill and activity rankings for RuneScape (RS3). The index_lite endpoint returns rank, level, and experience
    per skill as CSV; unauthenticated GET keyed by player display name.
  humanURL: https://secure.runescape.com/m=hiscore/
  baseURL: https://services.runescape.com/m=hiscore
  tags:
  - RuneScape
  - Hiscores
  - Player Data
- name: Old School RuneScape Hiscores API
  description: Player skill and activity rankings for Old School RuneScape (OSRS). The index_lite endpoint returns rank, level,
    and experience per skill as CSV; unauthenticated GET keyed by player display name.
  humanURL: https://secure.runescape.com/m=hiscore_oldschool/
  baseURL: https://secure.runescape.com/m=hiscore_oldschool
  tags:
  - Old School RuneScape
  - Hiscores
  - Player Data
- name: RuneMetrics Profile API
  description: Public player-profile service for RuneScape (RS3), exposing summary statistics, skill levels, quest progress,
    and recent activity for accounts that have opted their profile public. Returns JSON; unauthenticated GET keyed by player
    name.
  humanURL: https://apps.runescape.com/runemetrics/app/welcome
  baseURL: https://apps.runescape.com/runemetrics/profile
  tags:
  - RuneScape
  - Player Data
  - RuneMetrics
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.jagex.com/
- type: DeveloperPortal
  url: https://secure.runescape.com/m=itemdb_rs/
- type: Documentation
  url: https://runescape.wiki/w/Application_programming_interface
- type: Blog
  url: https://www.jagex.com/news
- type: Careers
  url: https://www.jagex.com/careers
- type: TermsOfService
  url: https://legal.jagex.com/docs/terms
- type: PrivacyPolicy
  url: https://legal.jagex.com/docs/policies/privacy
- type: SecurityTxt
  url: well-known/jagex-security.txt
- type: WellKnown
  url: well-known/jagex-well-known.yml
- type: VulnerabilityDisclosure
  url: security/jagex-vulnerability-disclosure.yml
- type: Security
  url: https://www.jagex.com/.well-known/security.txt
- type: DomainSecurity
  url: security/jagex-domain-security.yml
- type: LLMsTxt
  url: llms/jagex-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

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/jagex"

All providers

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

Every operation they expose

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

How their score was established

curl "https://apis.io/api/v1/providers/jagex/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.

GitHub Google LinkedIn

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