Flash

Flash is a spaced‑repetition flashcard platform powered by AI, allowing users to create, study, and import decks with images, audio, LaTeX, and cloze deletions. It offers a free tier with unlimited cards and a Pro subscription for AI‑enhanced study, plus a self‑hosted open‑source option under AGPL‑3.0. The service integrates with Claude, ChatGPT, Grok, Mistral, and Gemini, targeting students, professionals, and niche fields like nursing.

Flash is listed with 1 API on the APIs.io network. Tagged areas include Education, Artificial Intelligence, Flashcards, Productivity, and Open Source.

Flash’s developer surface includes authentication, pricing, support, and 13 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

22.8/100 emerging Agent 19/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

1 API

Education Artificial Intelligence Flashcards Productivity Open Source

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 22.8/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 2.8 / 17

Access Clarity 9.0 / 17

Operational Transparency 1.0 / 11

Contract Governance 0.0 / 10

Discoverability 5.8 / 9

Regulatory Posture 3.5 / 15

Agent readiness — 19/100 · agent aware

Machine-Readable Contract 0 / 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 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 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 6 / 6

Protected Resource Metadata 5 / 5

Registration Without a Human 6 / 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 could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% 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):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
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) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →

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 0.0 — up to +25.0 composite points Ask about this →
Developer Ergonomics scores 16.7 — up to +16.7 composite points Ask about this →
Contract Governance scores 0.0 — up to +12.0 composite points Ask about this →

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.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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/flashmemorize-com/apis.yml: open an issue on github.com/api-evangelist/flashmemorize-com 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 2

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.

OAuth 2.0 Protected Resource Metadata

measured — observed by APIs.io (verified)

Dynamic Client Registration

measured — observed by APIs.io (published)

APIs 1

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

Flash

Flash is a spaced‑repetition flashcard platform powered by AI, allowing users to create, study, and import decks with images, audio, LaTeX, and cloze deletions. It offers a free...

Flash API pricing

Prices published by Flash, read 2026-11-08 from flashmemorize.com/pricing.

Plan	Price
Free	$0
Flash Pro	$19.99/year

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Flash Plans Pricing

2 plans

PLANS

Security Posture 3

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

Flash Authentication

1 scheme

SECURITY

Flash Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Flash Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Access & Security 5

Authentication, authorization, and security posture

Security

Security

Authentication

Authentication

SecurityTxt

SecurityTxt

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: flashmemorize-com
name: Flash
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
  probe_state: unreadable
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
image: https://flashmemorize.com/static/og.png?v=2
description: Flash is a spaced‑repetition flashcard platform powered by AI, allowing users to create, study, and import decks
  with images, audio, LaTeX, and cloze deletions. It offers a free tier with unlimited cards and a Pro subscription for AI‑enhanced
  study, plus a self‑hosted open‑source option under AGPL‑3.0. The service integrates with Claude, ChatGPT, Grok, Mistral,
  and Gemini, targeting students, professionals, and niche fields like nursing.
url: https://artifacts.apis.io/flashmemorize-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-08 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-08'
modified: '2026-11-08'
tags:
- Education
- Artificial Intelligence
- Flashcards
- Productivity
- Open Source
tags_raw:
- Education
- AI
- Flashcards
- Productivity
- OpenSource
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/flashmemorize-com-plans-pricing.yml
- type: Security
  url: security/flashmemorize-com-vulnerability-disclosure.yml
- type: Authentication
  url: authentication/flashmemorize-com-authentication.yml
- type: LLMsTxt
  url: llms/flashmemorize-com-llms.txt
- type: SecurityTxt
  url: well-known/flashmemorize-com-security.txt
- type: WellKnown
  url: well-known/flashmemorize-com-well-known.yml
- type: Hosts
  url: hosts/flashmemorize-com-hosts.yml
- type: Vendors
  url: vendors/flashmemorize-com-vendors.yml
- type: Login
  url: https://flashmemorize.com/login
- type: VulnerabilityDisclosure
  url: security/flashmemorize-com-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/flashmemorize-com-domain-security.yml
- type: Website
  url: https://flashmemorize.com/
- type: Pricing
  url: https://flashmemorize.com/pricing
- type: TermsOfService
  url: https://flashmemorize.com/terms
- type: PrivacyPolicy
  url: https://flashmemorize.com/privacy
- type: Support
  url: https://flashmemorize.com/support
apis:
- name: Flash
  description: Flash is a spaced‑repetition flashcard platform powered by AI, allowing users to create, study, and import
    decks with images, audio, LaTeX, and cloze deletions. It offers a free tier with unlimited cards and a Pro subscription
    for AI‑enhanced study, plus a self‑hosted open‑source option under AGPL‑3.0.
  humanURL: https://flashmemorize.com/pricing
  aid: flashmemorize-com:flash
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: Docs are rendered via JavaScript and no machine‑readable OpenAPI spec was found.
  evidence:
  - url: https://flashmemorize.com/openapi.json
    status: 404
  - url: https://api.flashmemorize.com/openapi.json
    status: 0
  checked: '2026-11-08'
x-enrichment:
  date: '2026-11-08'
  status: enriched
  artifacts_added: 16
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Flash API — frequently asked questions

Does Flash have an API?

Yes. APIs.io lists 1 API from Flash, including Flash.

How do I authenticate with the Flash API?

Flash documents its authentication (1 scheme). The details are profiled on APIs.io as Flash Authentication.

How much does the Flash API cost?

Flash publishes its prices; its Free plan is $0 as of 2026-11-08. APIs.io lists 2 pricing plans for Flash, with each plan's price, limits and inclusions under Pricing on this page.

Is the Flash API ready for AI agents?

Flash has a Kin Score of 22.8 out of 100 (emerging) and an Agent Readiness score of 18.7 (agent-aware), scored by API Evangelist on 2026-11-13.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

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get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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