Battle.net
Battle.net is Blizzard Entertainment's online gaming platform and developer API ecosystem. It provides game data and player profile APIs for World of Warcraft, Diablo III, Hearthstone, and StarCraft II via OAuth 2.0-secured REST endpoints, enabling developers to build applications that access character data, game statistics, leaderboards, card collections, and auction house data.
Limited machine-readable signal and partial portal coverage — documentation a human can read, but little a machine or agent can consume without scraping.
API Evangelist profiles Battle.net the way a machine reads it — 92 machine-readable artifacts across 12 APIs, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Battle.net scores 27.0/100 (thin), with a separate agent-readiness read of 39/100 (agent native). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance. Every facet and dimension name is a link: it opens that measurement's page on APIs.io, where the rating runs across the whole catalog — the exact checks that feed it, how every profiled provider distributes on it, and who is at the top of it.
Kin Score
How this is scored →scored 2026-09-10 · rubric v0.20.0
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How we profile Battle.net
Each block below is one kind of artifact we hold for Battle.net. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
APIs 12
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
World of Warcraft Game Data API
Provides access to World of Warcraft game data including achievements, auction house listings, character classes, races, realms, guild data, items, spells, zones, and PvP leader...
World of Warcraft Profile API
Provides access to player profile data for World of Warcraft including character summaries, equipment, achievements, collections, mythic keystone profile, and PvP profile data. ...
World of Warcraft Classic Game Data API
Provides game data for World of Warcraft Classic (Era and Seasonal), including classic realm lists, auction house data, character classes, races, and items specific to the class...
Diablo III Game Data API
Provides access to Diablo III game data including season index and season data, era index and era leaderboards. Requires OAuth 2.0 client credentials flow.
Diablo III Community API
Provides access to Diablo III community data including character profiles, hero data, item data, follower data, artisan data, and act information. Requires OAuth 2.0 for profile...
StarCraft II Game Data API
Provides access to StarCraft II game data including league data for multiple game modes. Requires OAuth 2.0 client credentials flow.
StarCraft II Community API
Provides access to StarCraft II community data including player profile, ladder summaries, grandmaster leaderboards, and static game data for profile, legacy, and ladder resources.
Battle.net OAuth API
Provides OAuth 2.0 authorization services for Battle.net including client credentials flow for game data access and authorization code flow for player profile data. Token endpoi...
Battle.net Card Backs API
Hearthstone card back collections
Battle.net Cards API
Hearthstone card search and lookup
Battle.net Decks API
Hearthstone deck lookup
Battle.net Metadata API
Hearthstone metadata including sets, classes, types, and keywords
Scroll within the panel for all 12 ·
Postman Collections 4
A runnable collection turns the contract into something a developer can execute in seconds. We profile them because the fastest way to trust an API is to make a real call against it.
Ready-to-run Postman collections for exercising this provider's APIs.
Open Collections 5
Open, tool-agnostic collections carry the same runnable value as Postman without locking you to one client — the portable, forkable form of the same exercise.
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONBattle.net Hearthstone Game Data Card Backs API
OPEN COLLECTIONBattle.net Hearthstone Game Data Card Backs Cards API
OPEN COLLECTIONBattle.net Hearthstone Game Data Card Backs Decks API
OPEN COLLECTIONBattle.net Hearthstone Game Data Card Backs Metadata API
OPEN COLLECTIONPricing Plans 1
Pricing is part of the interface. Machine-readable plans tell you what a tier costs and includes before you commit — one of the things the Kin Score reads for access clarity — renamed from commercial clarity in rubric 0.12, because a free statutory interface has access terms and no commercial ones.
Published pricing tiers and plan structures.
Rate Limits 1
Rate limits are the difference between a demo that works and a production integration that doesn't fall over. Publishing them is an operational-transparency signal — and a hard requirement for any agent that plans its own throughput.
Documented rate limits and quota policies.
Battle Net Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals let a buyer model the financial operations of an API before it's live. We profile them for the same reason we profile pricing: the money is part of the contract.
Cost, billing, and metering signals for API financial operations.
Battle Net Finops
FINOPSFeatures 5
The notable capabilities this provider advertises, captured as structured features so they can be searched and compared instead of read one landing page at a time.
Notable capabilities this provider offers.
OAuth 2.0 Authentication
Supports both client credentials flow for game data and authorization code flow for player profile data access.
Multi-Region Support
APIs are available across US, EU, and APAC regions with regional base URLs (us.api.blizzard.com, eu.api.blizzard.com).
Game Data APIs
Access static and dynamic game data including items, spells, realms, seasons, leaderboards, and card metadata.
Player Profile APIs
Access authenticated player data including character profiles, achievements, equipment, and PvP records.
Localization Support
API responses support multiple locales per region, enabling localized game data in multiple languages.
Semantic Vocabularies 1
JSON-LD contexts give the data shared meaning across APIs. We profile them because semantics are what let a machine reconcile 'customer' here with 'customer' somewhere else.
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral Rules 2
Governance rulesets we run against this provider's specs — the automated checks behind parts of the score. Profiling them makes the quality bar explicit and re-runnable, not a matter of opinion.
Battle.net API Rules
SPECTRALBattle.net API Rules
SPECTRALJSON Schema 20
Standalone JSON Schema definitions describe the data models behind the API. We profile them so the shapes are validatable on their own — useful long after a single request is forgotten.
Standalone JSON Schema definitions for this provider's data models.
Card
JSON SCHEMACard Back
JSON SCHEMACard Back Search Response
JSON SCHEMACard Search Response
JSON SCHEMADeck
JSON SCHEMADeck Card
JSON SCHEMADeck Class
JSON SCHEMAError Response
JSON SCHEMAMetadata
JSON SCHEMAMetadata Item
JSON SCHEMACardBack
JSON SCHEMACardBackSearchResponse
JSON SCHEMACard
JSON SCHEMACardSearchResponse
JSON SCHEMADeckCard
JSON SCHEMADeckClass
JSON SCHEMADeck
JSON SCHEMAErrorResponse
JSON SCHEMAMetadataItem
JSON SCHEMAMetadata
JSON SCHEMAScroll within the panel for all 20 ·
JSON Structure 11
JSON Structure captures the data shapes in a form built for tooling — a complement to JSON Schema that keeps the model machine-legible.
JSON Structure definitions describing this provider's data shapes.
Battle Net Structure
JSON STRUCTUREHearthstone Game Data Card Back Structure
JSON STRUCTUREHearthstone Game Data Card Search Response Structure
JSON STRUCTUREHearthstone Game Data Card Structure
JSON STRUCTUREHearthstone Game Data Deck Card Structure
JSON STRUCTUREHearthstone Game Data Deck Class Structure
JSON STRUCTUREHearthstone Game Data Deck Structure
JSON STRUCTUREHearthstone Game Data Error Response Structure
JSON STRUCTUREHearthstone Game Data Metadata Item Structure
JSON STRUCTUREHearthstone Game Data Metadata Structure
JSON STRUCTUREScroll within the panel for all 11 ·
Examples 17
Real request and response payloads are what turn a spec from abstract into obvious — and they're one of the twelve things an agent needs to call an API correctly on the first try.
Example request and response payloads for these APIs.
Battle Net Getcard Example
EXAMPLEBattle Net Getdeck Example
EXAMPLEScroll within the panel for all 17 ·
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Scopes 1
OAuth scopes are the vocabulary of least-privilege access. Profiling them shows exactly what an integration — or an agent acting on a user's behalf — is allowed to do.
OAuth scopes governing access to this provider's APIs.
Agentic Access 1
An x-agentic-access contract marks which operations are safe for an agent to run on its own and which need a human in the loop. It is the difference between an API an agent can use and one it can use safely.
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 5
What developers actually build with this provider — captured so the catalogue answers 'what is this for', not just 'what does this expose'.
What developers build with this provider.
Game Companion Apps
Build companion applications for WoW, Hearthstone, or Diablo that display character stats, gear scores, and progression.
Auction House Trackers
Monitor World of Warcraft auction house data to track item prices and market trends.
Leaderboard Displays
Show StarCraft II, Diablo III season, and WoW PvP leaderboards in custom applications.
Deck Builders
Create Hearthstone deck-building tools using the card data, metadata, and deck APIs.
Guild Management Tools
Build guild management utilities using WoW guild roster, achievements, and activity data.
Integrations 3
Pre-built integrations with other platforms tell you where this provider already fits in a stack.
Pre-built integrations with other platforms and tools.
Passport.js
Battle.net OAuth strategy for Node.js applications using Passport.js authentication middleware.
OmniAuth
Battle.net authentication strategy for Ruby on Rails applications using OmniAuth.
Microcks
API mocking and testing platform for Battle.net API contract testing.
Resources
Every other property we hold for Battle.net — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Get Started 2
Portal, sign-up, and the first successful call
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 2
Pagination, idempotency, versioning, errors, and events
Build 8
SDKs, sample code, and the tooling you integrate with
Scroll within the panel for all 8 ·
Access & Security 4
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 1
Pricing, plans, and the legal terms of use
← All providers · Data indexed from github.com/api-evangelist/battle-net · machine-readable index on apis.io
This is an independent, third-party profile of Battle.net, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.
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