Velt

Velt is a real-time collaboration platform delivered primarily as a client SDK (React components and framework wrappers) for adding presence, live cursors, comments, notifications, huddles, recordings, and live selection to applications. Its server-side surface is the Velt Data (REST) API at api.velt.dev plus signed, retried webhooks, letting backends read and write comments, users, organizations, folders, documents, notifications, and user groups programmatically.

Velt publishes 7 APIs on the APIs.io network, including Auth API, Comments API, Documents API, and 4 more. Tagged areas include Real-Time Collaboration, Comments, Presence, Notification, and SDK.

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

🌐 Visit website 📡 Source on GitHub
38.5/100 thin ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessPaidSelf serve
7 APIs
Real-Time CollaborationCommentsPresenceNotificationSDKWebhook

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 38.5/100 · thin
Contract Quality 12.4 / 25
Developer Ergonomics 4.8 / 20
Access Clarity 9.5 / 20
Operational Transparency 4.4 / 13
Contract Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 20/100 · 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 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/velt: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

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

Velt Auth API

Workspace API keys and auth tokens.

Velt Comments API

Comment threads and annotations rendered by the SDK.

Velt Documents API

Documents and folders that collaboration attaches to.

Velt Notifications API

Notifications and inbox/email configuration.

Velt Organizations API

Top-level tenancy boundary.

Velt Users API

End users and user-group membership.

Velt Webhooks API

Advanced webhook endpoints and event subscriptions.

Scroll for all 7

Open Collections 9

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

API Collection

OPEN COLLECTION

Velt Data (REST) Auth API

OPEN COLLECTION

Velt Data (REST) Auth Comments API

OPEN COLLECTION

Velt Data (REST) Auth Documents API

OPEN COLLECTION

Velt Data (REST) Auth Notifications API

OPEN COLLECTION

Velt Data (REST) Auth Organizations API

OPEN COLLECTION

Velt Data (REST) Auth Users API

OPEN COLLECTION

Velt Data (REST) Auth Webhooks API

OPEN COLLECTION

Velt Data (REST) API

OPEN COLLECTION

Scroll for all 9

Pricing Plans 1

Published pricing tiers and plan structures.

Velt Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Velt Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

Velt Finops

FINOPS

Security Posture 3

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

Velt Authentication

apiKey · 2 schemes

SECURITY

Velt Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Velt Trust Center

SOC 2, HIPAA

SECURITY

Agentic Access 1

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

Velt Agentic Access

35 operations · 35 acting · 1 human-in-the-loop

35 operations · 35 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 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 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

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: velt
url: https://raw.githubusercontent.com/api-evangelist/velt/refs/heads/main/apis.yml
name: Velt
kind: company
description: Velt is a real-time collaboration platform delivered primarily as a client SDK (React components and framework
  wrappers) for adding presence, live cursors, comments, notifications, huddles, recordings, and live selection to applications.
  Its server-side surface is the Velt Data (REST) API at api.velt.dev plus signed, retried webhooks, letting backends read
  and write comments, users, organizations, folders, documents, notifications, and user groups programmatically.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/velt.png
tags:
- Real-Time Collaboration
- Comments
- Presence
- Notification
- SDK
- Webhook
tags_raw:
- Real-Time Collaboration
- Comments
- Presence
- Notifications
- SDK
- Webhooks
created: '2026-07-01'
modified: '2026-07-01'
specificationVersion: '0.23'
apis:
- aid: velt:velt-auth-api
  name: Velt Auth API
  description: Workspace API keys and auth tokens.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Authentication
  tags_raw:
  - Auth
  properties:
  - type: OpenAPI
    url: openapi/velt-auth-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-comments-api
  name: Velt Comments API
  description: Comment threads and annotations rendered by the SDK.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Comments
  properties:
  - type: OpenAPI
    url: openapi/velt-comments-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-documents-api
  name: Velt Documents API
  description: Documents and folders that collaboration attaches to.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Documents
  properties:
  - type: OpenAPI
    url: openapi/velt-documents-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-notifications-api
  name: Velt Notifications API
  description: Notifications and inbox/email configuration.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Notification
  tags_raw:
  - Notifications
  properties:
  - type: OpenAPI
    url: openapi/velt-notifications-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-organizations-api
  name: Velt Organizations API
  description: Top-level tenancy boundary.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Organization
  tags_raw:
  - Organizations
  properties:
  - type: OpenAPI
    url: openapi/velt-organizations-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-users-api
  name: Velt Users API
  description: End users and user-group membership.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - User
  tags_raw:
  - Users
  properties:
  - type: OpenAPI
    url: openapi/velt-users-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
- aid: velt:velt-webhooks-api
  name: Velt Webhooks API
  description: Advanced webhook endpoints and event subscriptions.
  humanURL: https://velt.dev/docs/api-reference/rest-apis
  baseURL: https://api.velt.dev/v2
  tags:
  - Webhook
  tags_raw:
  - Webhooks
  properties:
  - type: OpenAPI
    url: openapi/velt-webhooks-api-openapi.yml
  - type: Documentation
    url: https://velt.dev/docs/api-reference/rest-apis
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/comments/get-comments
  - type: PostmanCollection
    url: collections/velt.postman_collection.json
  - type: OpenCollection
    url: collections/velt.opencollection.json
  - type: APIReference
    url: https://velt.dev/docs/api-reference/rest-apis/v2/notifications/get-config
  - type: Documentation
    url: https://velt.dev/docs/webhooks/advanced
common:
- type: AgenticAccess
  url: agentic-access/velt-agentic-access.yml
- type: TrustCenter
  url: security/velt-trust-center.yml
- type: DomainSecurity
  url: security/velt-domain-security.yml
- type: Authentication
  url: authentication/velt-authentication.yml
- type: GitHubOrganization
  url: https://github.com/veltdev
- type: LinkedIn
  url: https://www.linkedin.com/company/velt-dev
- type: Website
  url: https://velt.dev/
- type: Documentation
  url: https://velt.dev/docs
- type: Plans
  url: plans/velt-plans-pricing.yml
- type: RateLimits
  url: rate-limits/velt-rate-limits.yml
- type: FinOps
  url: finops/velt-finops.yml
- type: Blog
  url: https://velt.dev/blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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