Blizzard Entertainment
Blizzard Entertainment is an American video game developer and publisher and a subsidiary of Activision Blizzard. Blizzard exposes a Battle.net Developer Portal that provides public OAuth 2.0 protected APIs returning game data and player profile data for its major franchises including World of Warcraft, Diablo III, StarCraft II, and Hearthstone.
Blizzard Entertainment publishes 18 APIs on the APIs.io network, including Achievements API, Acts API, Artisans API, and 15 more. Tagged areas include Games, Entertainment, Video Games, Game Data, and Battle.net.
The Blizzard Entertainment catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.
Blizzard Entertainment’s developer surface includes authentication, developer portal, documentation, getting-started guide, and 15 more developer resources.
Kin Score
APIs 18
Individual APIs this provider publishes, each with its own machine-readable definition.
Blizzard Entertainment Achievements API
Retrieve achievement reference data.
Blizzard Entertainment Acts API
Retrieve Diablo III act reference data.
Blizzard Entertainment Artisans API
Retrieve artisan and recipe reference data.
Blizzard Entertainment Auctions API
Retrieve live auction-house listings per connected realm.
Blizzard Entertainment Authorization API
User-context authorization endpoints.
Blizzard Entertainment Card Backs API
Retrieve Hearthstone card-back data.
Blizzard Entertainment Cards API
Search and retrieve Hearthstone cards.
Blizzard Entertainment Characters API
Retrieve character class and skill reference data.
Blizzard Entertainment Decks API
Decode Hearthstone deck codes.
Blizzard Entertainment Guilds API
Retrieve guild profile data.
Blizzard Entertainment Items API
Retrieve item type and item reference data.
Blizzard Entertainment Ladders API
Retrieve ladder, grandmaster, and season data.
Blizzard Entertainment Metadata API
Retrieve Hearthstone metadata reference data.
Blizzard Entertainment Mounts API
Retrieve mount index and detail data.
Blizzard Entertainment Profiles API
Retrieve player career and hero profile data.
Blizzard Entertainment Realms API
Retrieve realm and connected-realm reference data.
Blizzard Entertainment Token API
Token issuance and inspection endpoints.
Blizzard Entertainment UserInfo API
OpenID Connect userinfo endpoint.
Scroll for all 18
Open Collections 5
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
Diablo III Community API
OPEN COLLECTIONHearthstone Game Data API
OPEN COLLECTIONBattle.net OAuth API
OPEN COLLECTIONStarCraft II Community API
OPEN COLLECTIONWorld of Warcraft Game Data API
OPEN COLLECTIONPricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Blizzard Entertainment Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Features 6
Notable capabilities this provider offers.
Multi-Game Coverage
Single platform exposes Game Data and Community APIs for World of Warcraft, Diablo III, StarCraft II, and Hearthstone
OAuth 2.0 Authentication
Client credentials flow for public game data and authorization code flow for player-profile data
Regional API Hosts
Independent regional endpoints for US, EU, KR, TW, and CN with locale-aware responses
Battle.net Account Login
OpenID Connect compatible login that lets third-party apps authenticate Battle.net users
Static and Dynamic Namespaces
Game Data APIs are partitioned by namespace (static-, dynamic-, profile-) to separate patch-stable reference data from live state
Auction House Data
Endpoint exposing live World of Warcraft auction house listings per connected realm
Semantic Vocabularies 1
JSON-LD contexts and semantic vocabularies used across these APIs.
Spectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Blizzard Entertainment API Rules
SPECTRALSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Use Cases 5
What developers build with this provider.
Companion Apps
Build mobile and web companion apps that surface character, guild, ladder, and profile data
Theorycrafting and Stats Sites
Power character optimizer, mythic-plus rank tracker, and deck-tracker sites with first-party data
Esports Tooling
Pull ladder and seasonal data for esports brackets, statistics, and broadcast overlays
Add-on and Mod Ecosystems
Provide authoritative reference data to community add-on libraries and mod managers
Account Linking
Let players authenticate with their Battle.net account in third-party communities and tournament platforms
Integrations 3
Pre-built integrations with other platforms and tools.
Discord
Battle.net account linking is widely combined with Discord OAuth for community gating
Twitch
Companion overlays and stream tools surface live ladder and profile data
Raider.IO
Community service that aggregates WoW profile and mythic-plus data via the Game Data API
Resources
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 3
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 4
Authentication, authorization, and security posture
Operate 2
Status, limits, changes, and where to get help
Commercial 4
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API