Recal

Recal provides a unified Calendar & Scheduling Integration API and SDK that lets developers connect to Google Calendar, Microsoft Outlook, and other calendar services through a single API, eliminating provider‑specific code. The platform offers REST endpoints, SDKs, and a developer dashboard for managing integrations, OAuth flows, and scheduling features.

Recal publishes 7 API contracts indexed on the APIs.io network, including Organization API, Organization Scheduling API, Organizations Calendar API, and 4 more. Tagged areas include Calendar API, Scheduling, SDK, Multi-Tenant, and Recruiting.

The Recal catalog on APIs.io includes 1 event-driven AsyncAPI specification, 1 JSON-LD context, and 1 Spectral governance ruleset.

Recal’s developer surface includes authentication, engineering blog, getting-started guide, documentation, API reference, and 23 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

46.7/100 developing ▲ 6.3 Agent 29/100 agent ready Heartbeat 98/100 alive Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessSelf serve

1 published contract 4 Agent Skills

Calendar APIScheduling SDK Multi-Tenant Recruiting Marketplace AI Agents

Kin Score

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

Composite quality — 46.7/100 · developing

Contract Quality 14.2 / 19

Developer Ergonomics 7.8 / 15

Access Clarity 4.2 / 15

Operational Transparency 2.1 / 10

Contract Governance 2.0 / 9

Discoverability 5.0 / 8

Regulatory Posture 2.8 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 29/100 · 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 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 6 / 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 0 / 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 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 →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →
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) Ask about this →

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 27.7 — up to +14.5 composite points Ask about this →
Operational Transparency scores 21.4 — up to +10.2 composite points Ask about this →
Developer Ergonomics scores 51.8 — up to +9.6 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/recal/apis.yml: open an issue on github.com/api-evangelist/recal 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 7

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

Recal Organization API

The Organization API from Recal — 3 operation(s) for organization.

Recal Organization Scheduling API

Routes for the Organization Scheduling

Recal Organizations Calendar API

The Organizations Calendar API from Recal — 1 operation(s) for organizations calendar.

Recal User Calendar API

Routes for the User Calendar

Recal User OAuth API

Routes for the User OAuth

Recal User Scheduling API

Routes for the User Scheduling

Recal Users API

Routes for the Users

Scroll for all 7

Agent Skills 4

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

recal-create-organization-with-members

AGENT SKILL

recal-user-calendar-manage-event

AGENT SKILL

recal-user-scheduling

AGENT SKILL

recal-verify-and-get-token

AGENT SKILL

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Recal

7 quoted statements, read from Recal's own page on 2026-11-10.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Recal

18 quoted statements, read from Recal's own page on 2026-11-10.

PRIVACY

Eligibility 1

Who may sign up and where, quoted from its own terms.

Recal

2 quoted statements, read from Recal's own page on 2026-11-10.

ELIGIBILITY

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Recal Webhooks

ASYNCAPI

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Recal Context

14 classes · 36 properties

JSON-LD

Spectral Rules 1

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

Recal API Rules

61 rules · 53 error-severity 5 warn-severity 3 info-severity

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.

Recal Openapi Overlay

0 actions · update

DERIVED

JSON Schema 12

Standalone JSON Schema definitions for this provider's data models.

AuthConnection

8 properties

JSON SCHEMA

CreateEvent

10 properties

JSON SCHEMA

CreateMetaEvent

9 properties

JSON SCHEMA

Event

10 properties

JSON SCHEMA

FailedCalendar

4 properties

JSON SCHEMA

FailedFreeBusyUser

4 properties

JSON SCHEMA

FreeBusyFailureReason

0 properties

JSON SCHEMA

MetaEvent

8 properties

JSON SCHEMA

Organization

4 properties

JSON SCHEMA

TimeRange

2 properties

JSON SCHEMA

UpdateEvent

10 properties

JSON SCHEMA

UpdateMetaEvent

9 properties

JSON SCHEMA

Scroll for all 12

Security Posture 2

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

Recal Authentication

1 scheme

SECURITY

Recal Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

Recal Agentic Access

38 operations · 19 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

WellKnown

WellKnown

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

Webhooks

DataModel

ErrorCatalog

Conformance

Scroll for all 7

Build 3

SDKs, sample code, and the tooling you integrate with

SDKs

SDKs

Packages

Packages

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Commercial 3

Pricing, plans, and the legal terms of use

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

UsageTerms

UsageTerms

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 5

Properties that don't map to a standard resource type

Overlay

Hosts

Vendors

DataProcessing

Eligibility

Source (apis.yml)

aid: recal
name: Recal
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Self-serve signup
  confidence: low
  source:
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
image: https://framerusercontent.com/images/z5OtQokcjGqQ9XkYSVX3HxjSLg.png
description: Recal provides a unified Calendar & Scheduling Integration API and SDK that lets developers connect to Google
  Calendar, Microsoft Outlook, and other calendar services through a single API, eliminating provider‑specific code. The platform
  offers REST endpoints, SDKs, and a developer dashboard for managing integrations, OAuth flows, and scheduling features.
url: https://raw.githubusercontent.com/api-evangelist/recal/refs/heads/main/apis.yml
x-type: company
x-source: harvest:g2-catalog
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-18 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-18'
modified: '2026-10-18'
tags:
- Calendar API
- Scheduling
- SDK
- Multi-Tenant
- Recruiting
- Marketplace
- AI Agents
tags_raw:
- Calendar API
- Scheduling
- SDK
- Multi‑tenant
- Recruiting
- Marketplace
- AI agents
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/recal-agentic-access.yml
- type: Spectral
  url: rules/recal-rules.yml
- type: JSONLD
  url: json-ld/recal-context.jsonld
- type: Vocabulary
  url: vocabulary/recal-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Webhooks
  url: asyncapi/recal-webhooks.yml
- type: DataModel
  url: data-model/recal-data-model.yml
- type: Authentication
  url: authentication/recal-authentication.yml
- type: ErrorCatalog
  url: errors/recal-problem-types.yml
- type: Conformance
  url: conformance/recal-conformance.yml
- type: Overlay
  url: overlays/recal-openapi-overlay.yml
- type: WellKnown
  url: well-known/recal-well-known.yml
- type: Hosts
  url: hosts/recal-hosts.yml
- type: Vendors
  url: vendors/recal-vendors.yml
- type: SDKs
  url: packages/recal-packages.yml
- type: Packages
  url: packages/recal-packages.yml
- type: TermsOfService
  url: https://recal.dev/tos
- type: PrivacyPolicy
  url: https://recal.dev/privacy
- type: GitHubOrganization
  url: http://github.com/recal-dev/
- type: Blog
  url: https://recal.dev/blog
- type: GettingStarted
  url: https://docs.recal.dev/core/oauth/setup-prompt
- type: Documentation
  url: https://docs.recal.dev/
- type: APIReference
  url: https://api.recal.dev/v1/swagger
- type: DomainSecurity
  url: security/recal-domain-security.yml
- type: Website
  url: https://recal.dev/
- type: UsageTerms
  url: terms/recal-terms-of-service.yml
- type: DataProcessing
  url: privacy/recal-privacy-policy.yml
- type: Eligibility
  url: eligibility/recal-eligibility.yml
apis:
- aid: recal:recal-organization-api
  name: Recal Organization API
  description: The Organization API from Recal — 3 operation(s) for organization.
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - Organization
  properties:
  - type: OpenAPI
    url: openapi/recal-organization-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-auth-connection-schema.json
  - type: JSONSchema
    url: json-schema/recal-organization-schema.json
- aid: recal:recal-organization-scheduling-api
  name: Recal Organization Scheduling API
  description: Routes for the Organization Scheduling
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - Organization Scheduling
  properties:
  - type: OpenAPI
    url: openapi/recal-organization-scheduling-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-failed-free-busy-user-schema.json
- aid: recal:recal-organizations-calendar-api
  name: Recal Organizations Calendar API
  description: The Organizations Calendar API from Recal — 1 operation(s) for organizations calendar.
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - Organizations Calendar
  properties:
  - type: OpenAPI
    url: openapi/recal-organizations-calendar-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-time-range-schema.json
  - type: JSONSchema
    url: json-schema/recal-failed-free-busy-user-schema.json
- aid: recal:recal-user-calendar-api
  name: Recal User Calendar API
  description: Routes for the User Calendar
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - User Calendar
  properties:
  - type: OpenAPI
    url: openapi/recal-user-calendar-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-meta-event-schema.json
  - type: JSONSchema
    url: json-schema/recal-event-schema.json
  - type: JSONSchema
    url: json-schema/recal-create-meta-event-schema.json
  - type: JSONSchema
    url: json-schema/recal-update-meta-event-schema.json
  - type: JSONSchema
    url: json-schema/recal-create-event-schema.json
  - type: JSONSchema
    url: json-schema/recal-update-event-schema.json
- aid: recal:recal-user-oauth-api
  name: Recal User OAuth API
  description: Routes for the User OAuth
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - User OAuth
  properties:
  - type: OpenAPI
    url: openapi/recal-user-oauth-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-auth-connection-schema.json
- aid: recal:recal-user-scheduling-api
  name: Recal User Scheduling API
  description: Routes for the User Scheduling
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - User Scheduling
  properties:
  - type: OpenAPI
    url: openapi/recal-user-scheduling-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-time-range-schema.json
  - type: JSONSchema
    url: json-schema/recal-free-busy-failure-reason-schema.json
  - type: JSONSchema
    url: json-schema/recal-failed-calendar-schema.json
- aid: recal:recal-users-api
  name: Recal Users API
  description: Routes for the Users
  humanURL: https://docs.recal.dev/core
  baseURL: https://api.recal.dev
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/recal-users-api-openapi.yml
  - type: JSONSchema
    url: json-schema/recal-auth-connection-schema.json
  - type: JSONSchema
    url: json-schema/recal-organization-schema.json
x-enrichment:
  date: '2026-10-18'
  status: enriched
  artifacts_added: 30
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

Recal API — frequently asked questions

Does Recal have an API?

Yes. APIs.io lists 7 APIs from Recal, including Recal Organization API, Recal Organization Scheduling API and Recal Organizations Calendar API, and 4 more.

Is there an OpenAPI specification for the Recal API?

Yes. APIs.io indexes 7 OpenAPI specifications for Recal, each linked for download from this page.

How do I authenticate with the Recal API?

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

Is the Recal API ready for AI agents?

Recal has a Kin Score of 46.7 out of 100 (developing) and an Agent Readiness score of 28.7 (agent-ready), scored by API Evangelist on 2026-11-13.

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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.
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