Keyper

keyper is an Austrian technology company providing connected ticketing and digital access solutions. Its developer platform lets ticketing systems, resellers and access control systems (ACS) deliver e-tickets and exchange access data through the keyper Access API, Connect Provider / Reseller APIs, Ticket Delivery API, native Android and iOS SDKs, and embeddable web components (seatmaps and checkout). The Access API sends entry transactions for keys (ticket barcodes) and their permissions (events), and returns the Grant / Block permission whitelist an access control system enforces at the gate. keyper serves sports, arts and culture organisations across Austria and Central Europe and is backed by Speedinvest.

Keyper publishes 2 API contracts indexed on the APIs.io network: Permissions API and Transactions API. Tagged areas include Company, Ticketing, Access Control, Event, and Developer Platform.

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

Keyper’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, sandbox, and 16 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

34.3/100 thin ▬ flat Agent 19/100 agent aware Front door AI 1/6 silent Heartbeat 0/100 dormant saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 published contract 2 Agent Skills

Company Ticketing Access Control Event Developer Platform SDK SportsArts and CultureAustria

Kin Score

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

Composite quality — 34.3/100 · thin

Contract Quality 2.7 / 19

Developer Ergonomics 11.0 / 15

Access Clarity 4.1 / 15

Operational Transparency 0.3 / 10

Contract Governance 1.6 / 9

Discoverability 5.5 / 8

Regulatory Posture 3.7 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 19/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 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 5 / 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
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
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

9 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 14.5 — up to +21.4 composite points
Access Clarity scores 27.6 — up to +14.5 composite points
Operational Transparency scores 2.6 — up to +12.7 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/keyper/apis.yml: open an issue on github.com/api-evangelist/keyper 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 2

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

Keyper Permissions API

Retrieve the permission whitelist / blacklist for an Access Control System.

Keyper Transactions API

Send access / entry transactions to keyper.

Open Collections 2

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

keyper Access Permissions API

OPEN COLLECTION

keyper Access Permissions Transactions API

OPEN COLLECTION

Agent Skills 2

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

Report gate entry transactions to keyper

AGENT SKILL

Sync the keyper permission whitelist to an access control system

AGENT SKILL

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Keyper API Rules

61 rules · 59 errors 1 warnings 1 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.

Keyper Access Overlay

4 actions · update · keyper-access-openapi.yml

DERIVED

Security Posture 2

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

Keyper Authentication

apiKey · 1 scheme

SECURITY

Keyper Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 4

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Sandbox

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

X-MCPServerCandidate

LLMsTxt

WellKnown

AgentSkill

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Components

Components

Lifecycle

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Packages

Packages

SDKs

SDKs

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: keyper
name: Keyper
description: keyper is an Austrian technology company providing connected ticketing and digital access solutions. Its developer
  platform lets ticketing systems, resellers and access control systems (ACS) deliver e-tickets and exchange access data through
  the keyper Access API, Connect Provider / Reseller APIs, Ticket Delivery API, native Android and iOS SDKs, and embeddable
  web components (seatmaps and checkout). The Access API sends entry transactions for keys (ticket barcodes) and their permissions
  (events), and returns the Grant / Block permission whitelist an access control system enforces at the gate. keyper serves
  sports, arts and culture organisations across Austria and Central Europe and is backed by Speedinvest.
url: https://raw.githubusercontent.com/api-evangelist/keyper/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- speedinvest
x-tier: profiled
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
  - sandbox
  generated: '2026-11-06'
  method: derived
image: https://www.keyper.com/wp-content/uploads/keyper-logo.png
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
x-docs-platform: apiary
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-03
tags:
- Company
- Ticketing
- Access Control
- Event
- Developer Platform
- SDK
- Sports
- Arts and Culture
- Austria
tags_raw:
- Company
- Ticketing
- Access Control
- Events
- Developer Platform
- SDK
- Sports
- Arts and Culture
- Austria
apis:
- aid: keyper:keyper-permissions-api
  name: Keyper Permissions API
  description: Retrieve the permission whitelist / blacklist for an Access Control System.
  humanURL: https://developers.keyper.com
  baseURL: https://api.keyper.io/access
  tags:
  - Permissions
  properties:
  - type: OpenAPI
    url: openapi/keyper-permissions-api-openapi.yml
  - type: APIBlueprint
    url: openapi/keyper-access.apib
  - type: Authentication
    url: authentication/keyper-authentication.yml
  - type: ErrorCatalog
    url: errors/keyper-error-codes.yml
  - type: Conventions
    url: conventions/keyper-conventions.yml
  - type: DataModel
    url: data-model/keyper-data-model.yml
  - type: Conformance
    url: conformance/keyper-conformance.yml
- aid: keyper:keyper-transactions-api
  name: Keyper Transactions API
  description: Send access / entry transactions to keyper.
  humanURL: https://developers.keyper.com
  baseURL: https://api.keyper.io/access
  tags:
  - Transaction
  tags_raw:
  - Transactions
  properties:
  - type: OpenAPI
    url: openapi/keyper-transactions-api-openapi.yml
  - type: APIBlueprint
    url: openapi/keyper-access.apib
  - type: Authentication
    url: authentication/keyper-authentication.yml
  - type: ErrorCatalog
    url: errors/keyper-error-codes.yml
  - type: Conventions
    url: conventions/keyper-conventions.yml
  - type: DataModel
    url: data-model/keyper-data-model.yml
  - type: Conformance
    url: conformance/keyper-conformance.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: X-MCPServerCandidate
  url: mcp/keyper-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: Overlay
  url: overlays/keyper-access-overlay.yaml
- type: DeveloperPortal
  url: https://developers.keyper.com
- type: Documentation
  url: https://developers.keyper.com
- type: APIReference
  url: https://developers.keyper.com
- type: GettingStarted
  url: https://developers.keyper.com
- type: Support
  url: https://support.keyper.com/developers/
- type: Blog
  url: https://www.keyper.com/news/
- type: GitHubOrganization
  url: https://github.com/keyper
- type: Login
  url: https://app.keyper.io/business/
- type: TermsOfService
  url: https://www.keyper.com/terms-and-conditions/
- type: PrivacyPolicy
  url: https://www.keyper.com/privacy-policy/
- type: Website
  url: https://www.keyper.com
- type: Packages
  url: packages/keyper-packages.yml
- type: SDKs
  url: packages/keyper-packages.yml
- type: Components
  url: components/keyper-components.yml
- type: Sandbox
  url: sandbox/keyper-sandbox.yml
- type: Lifecycle
  url: lifecycle/keyper-lifecycle.yml
- type: LLMsTxt
  url: llms/keyper-llms.txt
- type: WellKnown
  url: well-known/keyper-well-known.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DomainSecurity
  url: security/keyper-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Keyper API — frequently asked questions

Does Keyper have an API?

Yes. APIs.io lists 2 APIs from Keyper, including Keyper Permissions API and Keyper Transactions API.

Is there an OpenAPI specification for the Keyper API?

Yes. APIs.io indexes 2 OpenAPI specifications for Keyper, each linked for download from this page.

How do I authenticate with the Keyper API?

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

Is the Keyper API ready for AI agents?

Keyper has a Kin Score of 34.3 out of 100 (thin) and an Agent Readiness score of 19.2 (agent-aware), scored by API Evangelist on 2026-11-06.

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