HummingDeck

HummingDeck provides a secure document sharing platform with engagement analytics, enabling businesses to create digital sales rooms, mutual action plans, client portals, and investor data rooms. The service integrates with CRM, Slack, and other tools, offering analytics on document interactions, proposal tracking, and sales workflows. It targets sales teams, fundraising efforts, marketing, and HR use cases, delivering branded portals and comprehensive tracking for shared documents.

HummingDeck publishes 12 API contracts indexed on the APIs.io network, including Companies API, Contacts API, Decisions API, and 9 more. Tagged areas include Document Sharing, Engagement Analytics, Digital Sales Rooms, Data Rooms, and Client Portals.

The HummingDeck catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

HummingDeck’s developer surface includes support, pricing, getting-started guide, engineering blog, API reference, authentication, and 19 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

55.0/100 strong Agent 41/100 agent ready Full breakdown ↓
scored 2026-10-31 · rubric v0.25.0 · Show this score on your site →

1 published contract 1 Agent Skills

Document SharingEngagement AnalyticsDigital Sales RoomsData RoomsClient PortalsIntegrationsSecure Sharing

Kin Score

Kin Score How this is scored →
scored 2026-10-31 · rubric v0.25.0

Composite quality — 55.0/100 · strong

Contract Quality 13.4 / 21

Developer Ergonomics 6.8 / 17

Access Clarity 13.0 / 17

Operational Transparency 1.2 / 11

Contract Governance 3.6 / 10

Discoverability 5.6 / 9

Regulatory Posture 6.0 / 15

Agent readiness — 41/100 · 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 7 / 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 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

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 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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<a href="https://apis.io/providers/hummingdeck/"><img src="https://apis.io/badge/hummingdeck/card.svg" alt="HummingDeck on APIs.io — Kin Score by API Evangelist"></a>

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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
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too

5 more unmet checks in the Agent Readiness table above.

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

Developer Ergonomics scores 39.9 — up to +12.0 composite points
Operational Transparency scores 10.5 — up to +11.6 composite points
Contract Quality scores 63.0 — up to +9.3 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/hummingdeck/apis.yml: open an issue on github.com/api-evangelist/hummingdeck 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 12

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

HummingDeck Companies API

The Companies API from HummingDeck — 1 operation(s) for companies.

HummingDeck Contacts API

The Contacts API from HummingDeck — 1 operation(s) for contacts.

HummingDeck Decisions API

The Decisions API from HummingDeck — 1 operation(s) for decisions.

HummingDeck Decks API

The Decks API from HummingDeck — 2 operation(s) for decks.

HummingDeck Emails API

The Emails API from HummingDeck — 1 operation(s) for emails.

HummingDeck Hooks API

The Hooks API from HummingDeck — 2 operation(s) for hooks.

HummingDeck Me API

The Me API from HummingDeck — 1 operation(s) for me.

HummingDeck Room Labels API

The Room Labels API from HummingDeck — 2 operation(s) for room labels.

HummingDeck Room Views API

The Room Views API from HummingDeck — 1 operation(s) for room views.

HummingDeck Rooms API

The Rooms API from HummingDeck — 22 operation(s) for rooms.

HummingDeck Shares API

The Shares API from HummingDeck — 1 operation(s) for shares.

HummingDeck Views API

The Views API from HummingDeck — 1 operation(s) for views.

Scroll for all 12

Agent Skills 1

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

hummingdeck-create-room-with-items

AGENT SKILL

Pricing Plans 1

Published pricing tiers and plan structures.

Hummingdeck Plans Pricing

3 plans

PLANS

Semantic Vocabularies 1

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

Hummingdeck Context

63 classes · 143 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

HummingDeck API Rules

18 rules · 16 errors 1 warnings 1 info

SPECTRAL

JSON Schema 6

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

CreateRoomLinkRequest

15 properties

JSON SCHEMA

CreateRoomRequest

13 properties

JSON SCHEMA

DocumentView

9 properties

JSON SCHEMA

RoomItem

14 properties

JSON SCHEMA

Room

16 properties

JSON SCHEMA

ShareLink

11 properties

JSON SCHEMA

Security Posture 3

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

Hummingdeck Authentication

http/oauth2 · 2 schemes

SECURITY

Hummingdeck Domain Security

TLSv1.3 · DMARC

SECURITY

Hummingdeck Vulnerability Disclosure

no policy recorded

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Hummingdeck Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Agentic Access 1

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

Hummingdeck Agentic Access

48 operations · 32 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Login

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

APIReference

APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgentSkill

LLMsTxt

WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

ErrorCatalog

Conformance

Access & Security 4

Authentication, authorization, and security posture

Security

Security

Authentication

Authentication

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

TermsOfService

PrivacyPolicy

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 1

Properties that don't map to a standard resource type

Hosts

Hosts

Source (apis.yml)

aid: hummingdeck
name: HummingDeck
image: https://hummingdeck.com/og-image.png
description: HummingDeck provides a secure document sharing platform with engagement analytics, enabling businesses to create
  digital sales rooms, mutual action plans, client portals, and investor data rooms. The service integrates with CRM, Slack,
  and other tools, offering analytics on document interactions, proposal tracking, and sales workflows. It targets sales teams,
  fundraising efforts, marketing, and HR use cases, delivering branded portals and comprehensive tracking for shared documents.
url: https://raw.githubusercontent.com/api-evangelist/hummingdeck/refs/heads/main/apis.yml
x-type: company
x-source: harvest:new-submission
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-24 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-24'
modified: '2026-10-24'
tags:
- Document Sharing
- Engagement Analytics
- Digital Sales Rooms
- Data Rooms
- Client Portals
- Integrations
- Secure Sharing
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/hummingdeck-agentic-access.yml
- type: Plans
  url: plans/hummingdeck-plans-pricing.yml
- type: Spectral
  url: rules/hummingdeck-rules.yml
- type: JSONLD
  url: json-ld/hummingdeck-context.jsonld
- type: Vocabulary
  url: vocabulary/hummingdeck-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: DataModel
  url: data-model/hummingdeck-data-model.yml
- type: ErrorCatalog
  url: errors/hummingdeck-problem-types.yml
- type: Conformance
  url: conformance/hummingdeck-conformance.yml
- type: LLMsTxt
  url: llms/hummingdeck-llms.txt
- type: WellKnown
  url: well-known/hummingdeck-well-known.yml
- type: Hosts
  url: hosts/hummingdeck-hosts.yml
- type: TermsOfService
  url: https://hummingdeck.com/terms
- type: Support
  url: https://hummingdeck.com/support
- type: Security
  url: https://hummingdeck.com/security
- type: PrivacyPolicy
  url: https://hummingdeck.com/privacy
- type: Pricing
  url: https://hummingdeck.com/pricing
- type: Login
  url: https://app.hummingdeck.com/login
- type: GettingStarted
  url: https://hummingdeck.com/support/getting-started
- type: Blog
  url: https://hummingdeck.com/blog
- type: APIReference
  url: https://hummingdeck.com/developers/api
- type: Authentication
  url: authentication/hummingdeck-authentication.yml
- type: VulnerabilityDisclosure
  url: security/hummingdeck-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/hummingdeck-domain-security.yml
- type: Website
  url: https://hummingdeck.com
apis:
- aid: hummingdeck:hummingdeck-companies-api
  name: HummingDeck Companies API
  description: The Companies API from HummingDeck — 1 operation(s) for companies.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Companies
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-companies-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-contacts-api
  name: HummingDeck Contacts API
  description: The Contacts API from HummingDeck — 1 operation(s) for contacts.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Contacts
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-contacts-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-decisions-api
  name: HummingDeck Decisions API
  description: The Decisions API from HummingDeck — 1 operation(s) for decisions.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Decisions
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-decisions-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-decks-api
  name: HummingDeck Decks API
  description: The Decks API from HummingDeck — 2 operation(s) for decks.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Decks
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-decks-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-emails-api
  name: HummingDeck Emails API
  description: The Emails API from HummingDeck — 1 operation(s) for emails.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Emails
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-emails-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-hooks-api
  name: HummingDeck Hooks API
  description: The Hooks API from HummingDeck — 2 operation(s) for hooks.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Hooks
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-hooks-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-me-api
  name: HummingDeck Me API
  description: The Me API from HummingDeck — 1 operation(s) for me.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Me
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-me-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-room-labels-api
  name: HummingDeck Room Labels API
  description: The Room Labels API from HummingDeck — 2 operation(s) for room labels.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Room Labels
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-room-labels-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-room-views-api
  name: HummingDeck Room Views API
  description: The Room Views API from HummingDeck — 1 operation(s) for room views.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Room Views
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-room-views-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-rooms-api
  name: HummingDeck Rooms API
  description: The Rooms API from HummingDeck — 22 operation(s) for rooms.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Rooms
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-rooms-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-shares-api
  name: HummingDeck Shares API
  description: The Shares API from HummingDeck — 1 operation(s) for shares.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Shares
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-shares-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
- aid: hummingdeck:hummingdeck-views-api
  name: HummingDeck Views API
  description: The Views API from HummingDeck — 1 operation(s) for views.
  humanURL: https://hummingdeck.com/developers/api
  baseURL: https://app.hummingdeck.com/api/v1
  tags:
  - Views
  properties:
  - type: OpenAPI
    url: openapi/hummingdeck-views-api-openapi.yml
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-link-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-create-room-request-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-room-item-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-document-view-schema.json
  - type: JSONSchema
    url: json-schema/hummingdeck-share-link-schema.json
x-submission-notes: OpenAPI 3.1 v1.12.0, 48 ops; llms.txt; API on Business plan by request
x-submitted-by: ilya@hummingdeck.com (apis.io/add, 2026-10-23)
x-enrichment:
  date: '2026-10-24'
  status: enriched
  artifacts_added: 33
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

HummingDeck API — frequently asked questions

Does HummingDeck have an API?

Yes. APIs.io lists 12 APIs from HummingDeck, including HummingDeck Companies API, HummingDeck Contacts API and HummingDeck Decisions API, and 9 more.

Is there an OpenAPI specification for the HummingDeck API?

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

How do I authenticate with the HummingDeck API?

HummingDeck documents its authentication (http/oauth2 · 2 schemes). The details are profiled on APIs.io as Hummingdeck Authentication.

How much does the HummingDeck API cost?

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

Is the HummingDeck API ready for AI agents?

HummingDeck has a Kin Score of 55.0 out of 100 (strong) and an Agent Readiness score of 41.3 (agent-ready), scored by API Evangelist on 2026-10-31.

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