QuizAPI

QuizAPI provides programmatic access to thousands of quiz questions across topics such as programming, science, mathematics, and general knowledge. Developers can use the API to power trivia apps, online assessments, learning platforms, and embedded quizzes on their own websites. Questions can be filtered by category, difficulty, and tags, and quizzes can be created and managed through a JSON REST API.

QuizAPI publishes 3 API contracts indexed on the APIs.io network: Discovery API, Questions API, and Quizzes API. Tagged areas include Quizzes, Trivia, Education, Assessment, and Content.

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

QuizAPI’s developer surface includes authentication, documentation, signup flow, support, engineering blog, and 7 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

34.2/100 thin ▬ flat Agent 32/100 agent ready Front door AI 4/6 moderate Heartbeat 12/100 dormant saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

1 published contract

Quizzes Trivia Education Assessment Content

Kin Score

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

Composite quality — 34.2/100 · thin

Contract Quality 10.8 / 19

Developer Ergonomics 5.4 / 15

Access Clarity 3.2 / 15

Operational Transparency 1.5 / 10

Contract Governance 1.2 / 9

Discoverability 4.8 / 8

Regulatory Posture 1.8 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 32/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 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 7 / 7

Typed Event Surface 6 / 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

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Education & Research 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
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
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Delegated User Identity +6 pts — a served discovery document listing authorization_code in grant_types_supported (served), else an oauth2 authorizationCode flow or openIdConnect declared in an OpenAPI (documented)

7 more unmet checks in the Agent Readiness table above.

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

Access Clarity scores 21.1 — up to +15.8 composite points
Developer Ergonomics scores 35.7 — up to +12.9 composite points
Operational Transparency scores 15.8 — up to +10.9 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/quiz-api/apis.yml: open an issue on github.com/api-evangelist/quiz-api 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 3

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

QuizAPI Discovery API

Endpoints that require no authentication

QuizAPI Questions API

Retrieve questions for quizzes or browse across all quizzes

QuizAPI Quizzes API

Browse and search published quizzes

Open Collections 4

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

Quiz Discovery API

OPEN COLLECTION

Quiz Discovery Questions API

OPEN COLLECTION

Quiz Discovery Quizzes API

OPEN COLLECTION

QuizAPI

OPEN COLLECTION

QuizAPI pricing

Not yet checked against QuizAPI's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Free freemium	Free
Professional paid	Free
Enterprise enterprise	—

Plan details, limits and sources →

Rate limits

Free Tier Default: 10 requests per minute
Free Tier Monthly Quota: 1000 requests per month
Professional Tier Default: 100 requests per minute

Compiled by API Evangelist, not yet checked against QuizAPI's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Quiz Api Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Quiz Api Rate Limits

5 limits

RATE LIMITS

Service Levels 1

Uptime the provider promises or reports, as SLA4OAI. Read from its own pages; APIs.io runs no monitors.

QuizAPI

SLA

FinOps 1

Cost, billing, and metering signals for API financial operations.

Quiz Api Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

QuizAPI API Rules

61 rules · 59 errors 1 warnings 1 info

SPECTRAL

Security Posture 2

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

Quiz Api Authentication

http · 1 scheme

SECURITY

Quiz Api Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Quiz Api Agentic Access

7 operations · 2 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Signup

Signup

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 2

Status, limits, changes, and where to get help

RateLimits

RateLimits

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: quiz-api
name: QuizAPI
description: QuizAPI provides programmatic access to thousands of quiz questions across topics such as programming, science,
  mathematics, and general knowledge. Developers can use the API to power trivia apps, online assessments, learning platforms,
  and embedded quizzes on their own websites. Questions can be filtered by category, difficulty, and tags, and quizzes can
  be created and managed through a JSON REST API.
type: Index
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: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-06'
  method: derived
position: Consuming
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/quiz-api.png
tags:
- Quizzes
- Trivia
- Education
- Assessment
- Content
created: '2025-02-12'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/quiz-api/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: quiz-api:quiz-api-discovery-api
  name: QuizAPI Discovery API
  description: Endpoints that require no authentication
  humanURL: https://quizapi.io/
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/quiz-api-discovery-api-openapi.yml
  - type: Documentation
    url: https://quizapi.io/docs
  - type: Signup
    url: https://quizapi.io/signup
  - type: Authentication
    url: https://quizapi.io/docs/authentication
  - type: RateLimits
    url: https://quizapi.io/docs/rate-limits
  - type: Webhooks
    url: https://quizapi.io/docs/webhooks
  - type: SDKs
    url: https://quizapi.io/docs/sdks
- aid: quiz-api:quiz-api-questions-api
  name: QuizAPI Questions API
  description: Retrieve questions for quizzes or browse across all quizzes
  humanURL: https://quizapi.io/
  tags:
  - Questions
  properties:
  - type: OpenAPI
    url: openapi/quiz-api-questions-api-openapi.yml
  - type: Documentation
    url: https://quizapi.io/docs
  - type: Signup
    url: https://quizapi.io/signup
  - type: Authentication
    url: https://quizapi.io/docs/authentication
  - type: RateLimits
    url: https://quizapi.io/docs/rate-limits
  - type: Webhooks
    url: https://quizapi.io/docs/webhooks
  - type: SDKs
    url: https://quizapi.io/docs/sdks
- aid: quiz-api:quiz-api-quizzes-api
  name: QuizAPI Quizzes API
  description: Browse and search published quizzes
  humanURL: https://quizapi.io/
  tags:
  - Quizzes
  properties:
  - type: OpenAPI
    url: openapi/quiz-api-quizzes-api-openapi.yml
  - type: Documentation
    url: https://quizapi.io/docs
  - type: Signup
    url: https://quizapi.io/signup
  - type: Authentication
    url: https://quizapi.io/docs/authentication
  - type: RateLimits
    url: https://quizapi.io/docs/rate-limits
  - type: Webhooks
    url: https://quizapi.io/docs/webhooks
  - type: SDKs
    url: https://quizapi.io/docs/sdks
common:
- type: Plans
  url: plans/quiz-api-plans-pricing.yml
- type: RateLimits
  url: rate-limits/quiz-api-rate-limits.yml
- type: FinOps
  url: finops/quiz-api-finops.yml
- type: AgenticAccess
  url: agentic-access/quiz-api-agentic-access.yml
- type: DomainSecurity
  url: security/quiz-api-domain-security.yml
- type: Authentication
  url: authentication/quiz-api-authentication.yml
- type: Website
  url: https://quizapi.io/
- type: Documentation
  url: https://quizapi.io/docs
- type: Signup
  url: https://quizapi.io/signup
- type: Support
  url: https://github.com/QuizAPI/support/issues
- type: LlmsText
  url: https://quizapi.io/llms.txt
- url: https://quizapi.io/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

QuizAPI — frequently asked questions

Does QuizAPI have an API?

Yes. APIs.io lists 3 APIs from QuizAPI, including QuizAPI Discovery API, QuizAPI Questions API and QuizAPI Quizzes API.

Is there an OpenAPI specification for the QuizAPI?

Yes. APIs.io indexes 3 OpenAPI specifications for QuizAPI, each linked for download from this page.

How do I authenticate with the QuizAPI?

QuizAPI uses bearer-token authentication (http · 1 scheme). The details are profiled on APIs.io as Quiz Api Authentication.

How much does the QuizAPI cost?

APIs.io lists 3 pricing plans for QuizAPI, with each plan's price, limits and inclusions under Pricing on this page.

Is the QuizAPI ready for AI agents?

QuizAPI has a Kin Score of 34.2 out of 100 (thin) and an Agent Readiness score of 31.6 (agent-ready), scored by API Evangelist on 2026-11-06.

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