Hang
Hang is a customer loyalty and engagement platform (originally a Paradigm-backed Web3 brand-loyalty company, now positioned as an AI-driven "autonomous marketing system") used by restaurant, beauty, apparel, and e-commerce brands to build and run tier-based membership and rewards programs. Its Partner API powers program memberships, points and activities, quests, challenges, puzzles, loot/mystery boxes, rewards and redemptions, balance/gift cards, tokenized rewards, program tiers and segments, plus point-of-sale integrations with Toast and Square and real-time webhooks. Brands can embed a white-labeled rewards portal or drive the whole loyalty experience programmatically through the REST API.
Real signal across most facets with visible, nameable gaps — the contract exists but is thin, or the portal is good while governance and commercial terms are absent.
API Evangelist profiles Hang the way a machine reads it — 24 machine-readable artifacts across 18 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 — Hang scores 53.8/100 (developing), with a separate agent-readiness read of 65/100 (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.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Hang
Each block below is one kind of artifact we hold for Hang. 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 18
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.
Hang Activities API
The Activities API from Hang — 2 operation(s) for activities.
Hang Loot Box Reward Choices API
The Loot Box Reward Choices API from Hang — 2 operation(s) for loot box reward choices.
Hang Loot box reward probabilities API
The Loot box reward probabilities API from Hang — 2 operation(s) for loot box reward probabilities.
Hang Loot Boxes API
The Loot Boxes API from Hang — 4 operation(s) for loot boxes.
Hang Member Actions API
The Member Actions API from Hang — 3 operation(s) for member actions.
Hang Memberships API
The Memberships API from Hang — 10 operation(s) for memberships.
Hang Program memberships API
The Program memberships API from Hang — 3 operation(s) for program memberships.
Hang Program Tiers API
The Program Tiers API from Hang — 1 operation(s) for program tiers.
Hang ProgramMembershipPuzzles API
The ProgramMembershipPuzzles API from Hang — 3 operation(s) for programmembershippuzzles.
Hang Programs API
The Programs API from Hang — 2 operation(s) for programs.
Hang Puzzles API
The Puzzles API from Hang — 4 operation(s) for puzzles.
Hang Quests API
The Quests API from Hang — 9 operation(s) for quests.
Hang Redemptions API
The Redemptions API from Hang — 4 operation(s) for redemptions.
Hang Rewards API
The Rewards API from Hang — 5 operation(s) for rewards.
Hang TokenizedRewards API
The TokenizedRewards API from Hang — 2 operation(s) for tokenizedrewards.
Hang Tokens API
The Tokens API from Hang — 7 operation(s) for tokens.
Hang Users API
The Users API from Hang — 1 operation(s) for users.
Hang Wallet Integration API
The Wallet Integration API from Hang — 2 operation(s) for wallet integration.
Scroll within the panel for all 18 ·
MCP Servers 1
Model Context Protocol servers expose these APIs directly to AI agents. We profile them because agent-native access is the fastest-growing way this provider's capabilities actually get used.
Model Context Protocol servers that expose these APIs to AI agents.
hang-mcp.yml
MCP SERVEREvent Specifications 1
Not every API is request/response. AsyncAPI describes the event-driven and streaming side — the webhooks and channels — so the asynchronous half of the interface is documented the same way the synchronous half is.
AsyncAPI definitions for this provider's event-driven and streaming APIs.
Hang Webhooks
ASYNCAPISecurity Posture 4
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.
Resources
Every other property we hold for Hang — 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 4
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 3
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 7
Pagination, idempotency, versioning, errors, and events
Scroll within the panel for all 7 ·
Access & Security 6
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 3
Pricing, plans, and the legal terms of use
Company 1
The organization behind the API
Other 1
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/hang · machine-readable index on apis.io