freee

freee K.K. (freee株式会社) is a Japanese cloud business-management SaaS company. Its core products are freee Accounting (会計freee) - cloud accounting and bookkeeping - and freee HR & Payroll (人事労務freee) - HR, attendance, and payroll - plus invoicing (freee請求書) and sales management. freee exposes well-documented public REST APIs for both accounting and HR, authenticated with OAuth 2.0 (authorization code). Accounting endpoints live under https://api.freee.co.jp/api/1 and HR / payroll endpoints under https://api.freee.co.jp/hr/api/v1, and freee publishes machine-readable OpenAPI schemas for its platform.

freee publishes 12 API contracts indexed on the APIs.io network, including Account Items API, Attendance API, Companies API, and 9 more. Tagged areas include Accounting, Bookkeeping, Human Resources, Payroll, and Invoicing.

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

freee’s developer surface includes engineering blog, authentication, documentation, and 9 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

27.3/100 thin ▬ flat Agent 25/100 agent aware Front door AI 2/6 trace Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

1 published contract

Accounting Bookkeeping Human Resources Payroll Invoicing Finance Software-as-a-Service Japan

What this lets a business do 2

Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →

Financial Management

BC-200

Account ItemsInvoicesJournals

POST /api/1/manual_journals GET /api/1/reports/trial_pl GET /api/1/account_items GET /api/1/invoices

Human Capital Management

BC-300

AttendanceEmployeesPayroll

GET /hr/api/v1/employees POST /hr/api/v1/employees GET /hr/api/v1/employees/{employee_id}/time_clocks GET /hr/api/v1/employees/{employee_id}/work_records/{date}

Kin Score

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

Composite quality — 27.3/100 · thin

Contract Quality 9.6 / 19

Developer Ergonomics 4.8 / 15

Access Clarity 1.0 / 15

Operational Transparency 0.9 / 10

Contract Governance 1.2 / 9

Discoverability 5.0 / 8

Regulatory Posture 0.9 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 25/100 · agent aware

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 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 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 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 Employment & Payroll 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 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 →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →

8 more unmet checks in the Agent Readiness table above.

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

Access Clarity scores 6.4 — up to +18.7 composite points Ask about this →
Developer Ergonomics scores 32.1 — up to +13.6 composite points Ask about this →
Contract Quality scores 51.2 — up to +12.2 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/freee/apis.yml: open an issue on github.com/api-evangelist/freee 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 →

Markets this provider is in provisional

The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.

Market	Position	Depth	Registered MCP server	Declares compatibility
Agent Skills (SKILL.md packages)	builds-on	42.1	-	1
Zoom App Marketplace and Partner Ecosystem (builders and partners on Zoom)	builds-on	42.1	-	1
Japan FSA Registered Fintech (crypto exchanges, stablecoin intermediaries, funds transfer, bank-API agents, prepaid)	builds-on	42.1	-	1
Japan ISMAP Cloud Security Assessments (TISAX unreadable)	builds-on	42.1	-	1

Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.

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.

OpenAPI

measured — observed by APIs.io (published)

OAuth 2.0

measured — observed by APIs.io (declared)

APIs 12

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

freee Account Items API

Accounting account items / chart of accounts (勘定科目).

freee Attendance API

Time clocks (打刻) and work records (勤怠).

freee Companies API

freee companies (事業所) the authenticated user can access.

freee Deals API

Accounting deals / transactions (取引) - income and expense records.

freee Employees API

HR employees (従業員).

freee HR Users API

Authenticated HR user context.

freee Invoices API

Issued invoices and quotations (請求書・見積書).

freee Journals API

Journals (仕訳帳), manual journals, and trial-balance reports.

freee Partners API

Trading partners / counterparties (取引先).

freee Payroll API

Employee payroll statements (給与明細) and bonuses.

freee Taxes API

Tax codes (税区分) available to a company.

freee Wallet Transactions API

Wallet transactions / statement lines (明細) and walletables (口座).

Scroll for all 12

Open Collections 13

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

freee API (Accounting and HR/Payroll) Account Items API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Attendance API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Companies API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Deals API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Employees API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items HR Users API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Invoices API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Journals API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Partners API

OPEN COLLECTION

freee API (Accounting and HR/) Account Items Payroll API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Taxes API

OPEN COLLECTION

freee API (Accounting and HR/Payroll) Account Items Wallet Transactions API

OPEN COLLECTION

freee API (Accounting and HR/Payroll)

OPEN COLLECTION

Scroll for all 13

freee API pricing

Not yet checked against freee's own pricing page. Compiled by API Evangelist on 2026-07-12 from www.freee.co.jp/pricing/; confirm before you rely on a figure.

Plan	Price
freee Accounting - Starter (会計freee スターター法人) paid	JPY 5480 per base Subscription (annual billing) / month
freee Accounting - Standard (会計freee スタンダード法人) paid	JPY 8980 per base Subscription (annual billing) / month
freee Accounting - Advance / Enterprise (アドバンス / エンタープライズ) enterprise	—
freee HR & Payroll - Starter (人事労務freee スターター) paid	JPY 3000 per base Subscription (annual billing, up to 5 employees) / month · JPY 600 per additional Employee (from 6th) / month
freee HR & Payroll - Standard (人事労務freee スタンダード) paid	JPY 5500 per base Subscription (annual billing, up to 5 employees) / month · JPY 1100 per additional Employee (from 6th) / month

Plan details, limits and sources →

Rate limits

Per-Endpoint Request Rate: enforced (numeric limit surfaced via x-ratelimit-limit header) requests
Sustained Excessive Access: blocked with 403 requests

Compiled by API Evangelist, not yet checked against freee's documentation. Rate-limit details →

Pricing Plans 1

Published pricing tiers and plan structures.

freee Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

freee Rate Limits

2 limits

RATE LIMITS

FinOps 1

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

freee Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

freee API Rules

67 rules · 63 error-severity 3 warn-severity 1 info-severity

SPECTRAL

Security Posture 2

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

freee Authentication

oauth2 · 1 scheme

SECURITY

freee Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

freee Agentic Access

42 operations · 18 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Blog

Blog

LinkedIn

Website

Website

Other 1

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: freee
url: https://raw.githubusercontent.com/api-evangelist/freee/refs/heads/main/apis.yml
name: freee
kind: company
description: freee K.K. (freee株式会社) is a Japanese cloud business-management SaaS company. Its core products are freee Accounting
  (会計freee) - cloud accounting and bookkeeping - and freee HR & Payroll (人事労務freee) - HR, attendance, and payroll - plus invoicing
  (freee請求書) and sales management. freee exposes well-documented public REST APIs for both accounting and HR, authenticated
  with OAuth 2.0 (authorization code). Accounting endpoints live under https://api.freee.co.jp/api/1 and HR / payroll endpoints
  under https://api.freee.co.jp/hr/api/v1, and freee publishes machine-readable OpenAPI schemas for its platform.
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: '2026-11-13'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/freee.png
tags:
- Accounting
- Bookkeeping
- Human Resources
- Payroll
- Invoicing
- Finance
- Software-as-a-Service
- Japan
tags_raw:
- Accounting
- Bookkeeping
- HR
- Payroll
- Invoicing
- Finance
- SaaS
- Japan
created: '2026-07-12'
modified: '2026-10-06'
specificationVersion: '0.23'
apis:
- aid: freee:freee-account-items-api
  name: freee Account Items API
  description: Accounting account items / chart of accounts (勘定科目).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Account Items
  properties:
  - type: OpenAPI
    url: openapi/freee-account-items-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-attendance-api
  name: freee Attendance API
  description: Time clocks (打刻) and work records (勤怠).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Attendance
  properties:
  - type: OpenAPI
    url: openapi/freee-attendance-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-companies-api
  name: freee Companies API
  description: freee companies (事業所) the authenticated user can access.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Companies
  properties:
  - type: OpenAPI
    url: openapi/freee-companies-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-deals-api
  name: freee Deals API
  description: Accounting deals / transactions (取引) - income and expense records.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Deals
  properties:
  - type: OpenAPI
    url: openapi/freee-deals-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-employees-api
  name: freee Employees API
  description: HR employees (従業員).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Employees
  properties:
  - type: OpenAPI
    url: openapi/freee-employees-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-hr-users-api
  name: freee HR Users API
  description: Authenticated HR user context.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - HR Users
  properties:
  - type: OpenAPI
    url: openapi/freee-hr-users-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-invoices-api
  name: freee Invoices API
  description: Issued invoices and quotations (請求書・見積書).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Invoices
  properties:
  - type: OpenAPI
    url: openapi/freee-invoices-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-journals-api
  name: freee Journals API
  description: Journals (仕訳帳), manual journals, and trial-balance reports.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Journals
  properties:
  - type: OpenAPI
    url: openapi/freee-journals-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-partners-api
  name: freee Partners API
  description: Trading partners / counterparties (取引先).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Partners
  properties:
  - type: OpenAPI
    url: openapi/freee-partners-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-payroll-api
  name: freee Payroll API
  description: Employee payroll statements (給与明細) and bonuses.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Payroll
  properties:
  - type: OpenAPI
    url: openapi/freee-payroll-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-taxes-api
  name: freee Taxes API
  description: Tax codes (税区分) available to a company.
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Tax
  tags_raw:
  - Taxes
  properties:
  - type: OpenAPI
    url: openapi/freee-taxes-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
- aid: freee:freee-wallet-transactions-api
  name: freee Wallet Transactions API
  description: Wallet transactions / statement lines (明細) and walletables (口座).
  humanURL: https://developer.freee.co.jp/reference/accounting/reference
  baseURL: https://api.freee.co.jp/api/1
  tags:
  - Wallet Transactions
  properties:
  - type: OpenAPI
    url: openapi/freee-wallet-transactions-api-openapi.yml
  - type: Documentation
    url: https://developer.freee.co.jp/
  - type: APIReference
    url: https://developer.freee.co.jp/reference/accounting/reference
  - type: PostmanCollection
    url: collections/freee.postman_collection.json
  - type: OpenCollection
    url: collections/freee.opencollection.json
  - type: APIReference
    url: https://developer.freee.co.jp/reference/hr/reference
common:
- url: https://www.freee.co.jp/blog/
  type: Blog
- type: CapabilityMap
  url: capabilities/freee-capability-edges.yml
  name: freee Business Capability Map
- type: AgenticAccess
  url: agentic-access/freee-agentic-access.yml
- type: DomainSecurity
  url: security/freee-domain-security.yml
- type: Authentication
  url: authentication/freee-authentication.yml
- type: GitHubOrganization
  url: https://github.com/freee
- type: LinkedIn
  url: https://www.linkedin.com/company/freeekk
- type: Website
  url: https://www.freee.co.jp/
- type: Documentation
  url: https://developer.freee.co.jp/
- type: Plans
  url: plans/freee-plans-pricing.yml
- type: RateLimits
  url: rate-limits/freee-rate-limits.yml
- type: FinOps
  url: finops/freee-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

freee API — frequently asked questions

Does freee have an API?

Yes. APIs.io lists 12 APIs from freee, including freee Account Items API, freee Attendance API and freee Companies API, and 9 more.

Is there an OpenAPI specification for the freee API?

Yes. APIs.io indexes 12 OpenAPI specifications for freee, each linked for download from this page.

How do I authenticate with the freee API?

freee documents its authentication (oauth2 · 1 scheme). The details are profiled on APIs.io as freee Authentication.

How much does the freee API cost?

APIs.io lists 5 pricing plans for freee, with each plan's price, limits and inclusions under Pricing on this page.

Is the freee API ready for AI agents?

freee has a Kin Score of 27.3 out of 100 (thin) and an Agent Readiness score of 25.4 (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

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
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.

All 92 tools →

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/freee"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/freee/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/freee/evidence"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

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A second provider on the same verified email joins the account you already have.