Calcupedia

Calcupedia provides an extensive library of over 2,400 free calculators and converters that can be embedded on any website with a single line of code. The platform offers fully branded, customizable widgets without requiring developer effort, and includes AI-powered tools to create custom calculators. It serves businesses and developers looking to add interactive calculation functionality quickly and easily.

Calcupedia is listed with 1 API on the APIs.io network. Tagged areas include Calculators, Embeddings, No-Code, Lead Generation, and Finance.

Calcupedia’s developer surface includes pricing, engineering blog, and 12 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

17.6/100 emerging Agent 3/100 human only Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessFreemium

1 API

Calculators Embeddings No-Code Lead Generation Finance Health Business AI Builder

Kin Score

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

Composite quality — 17.6/100 · emerging

Contract Quality 0.0 / 21

Developer Ergonomics 1.3 / 17

Access Clarity 9.2 / 17

Operational Transparency 0.3 / 11

Contract Governance 0.0 / 10

Discoverability 4.9 / 9

Regulatory Posture 1.1 / 15

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 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 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 Health 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
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
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
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)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

12 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
Developer Ergonomics scores 7.6 — up to +18.5 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/calcupedia-io/apis.yml: open an issue on github.com/api-evangelist/calcupedia-io 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 →

APIs 1

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

Calcupedia API

Calcupedia offers an embeddable calculator widget API documented on their website, but no machine‑readable contract was found.

Calcupedia API pricing

Prices published by Calcupedia.

Plan	Price
Free	$0
Growth	$1/mo per embed
Creator	$9.99/mo
Agency	$19.99/mo

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Calcupedia Io Plans Pricing

4 plans

PLANS

Security Posture 1

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

Calcupedia Io Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

WellKnown

WellKnown

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Roadmap

Roadmap

Commercial 4

Pricing, plans, and the legal terms of use

Plans

TermsOfService

PrivacyPolicy

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: calcupedia-io
name: Calcupedia
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  probe_state: unreadable
  source:
  - plans
  - security
  generated: '2026-11-06'
  method: derived
image: https://calcupedia.io/og/pages/home.png
description: Calcupedia provides an extensive library of over 2,400 free calculators and converters that can be embedded on
  any website with a single line of code. The platform offers fully branded, customizable widgets without requiring developer
  effort, and includes AI-powered tools to create custom calculators. It serves businesses and developers looking to add interactive
  calculation functionality quickly and easily.
url: https://artifacts.apis.io/calcupedia-io/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-03 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-03'
modified: '2026-11-03'
tags:
- Calculators
- Embeddings
- No-Code
- Lead Generation
- Finance
- Health
- Business
- AI Builder
tags_raw:
- Calculators
- Embedding
- No‑code
- Lead Generation
- Finance
- Health
- Business
- AI Builder
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/calcupedia-io-plans-pricing.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/calcupedia-io-llms.txt
- type: WellKnown
  url: well-known/calcupedia-io-well-known.yml
- type: Hosts
  url: hosts/calcupedia-io-hosts.yml
- type: Vendors
  url: vendors/calcupedia-io-vendors.yml
- type: TermsOfService
  url: https://calcupedia.io/terms
- type: Roadmap
  url: https://calcupedia.io/roadmap
- type: PrivacyPolicy
  url: https://calcupedia.io/privacy
- type: Pricing
  url: https://calcupedia.io/pricing
- type: Login
  url: https://calcupedia.io/login
- type: Blog
  url: https://calcupedia.io/blog
- type: DomainSecurity
  url: security/calcupedia-io-domain-security.yml
- type: Website
  url: https://calcupedia.io/
apis:
- name: Calcupedia API
  description: Calcupedia offers an embeddable calculator widget API documented on their website, but no machine‑readable
    contract was found.
  humanURL: https://calcupedia.io/
  baseURL: null
  aid: calcupedia-io:calcupedia-api
x-coverage:
  state: unreadable
  reason: no-machine-readable-spec
  detail: The provider's documentation site does not expose an OpenAPI, AsyncAPI, GraphQL, or other machine‑readable contract
    despite public docs.
  evidence:
  - url: https://calcupedia.io/api/mcp
    status: 406
  checked: '2026-11-03'
x-enrichment:
  date: '2026-11-03'
  status: enriched
  artifacts_added: 12
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Calcupedia API — frequently asked questions

Does Calcupedia have an API?

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

How much does the Calcupedia API cost?

Calcupedia publishes its prices; its Free plan is $0 as of 2026-11-03. APIs.io lists 4 pricing plans for Calcupedia, with each plan's price, limits and inclusions under Pricing on this page.

Is the Calcupedia API ready for AI agents?

Calcupedia has a Kin Score of 17.6 out of 100 (emerging) and an Agent Readiness score of 3.2 (human-only), scored by API Evangelist on 2026-11-06.

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