Twenty

Twenty is an open-source CRM platform built as a modern alternative to Salesforce, designed for teams that need flexibility, data ownership, and a contemporary developer experience. It provides REST and GraphQL APIs covering core CRM operations such as managing companies, people, opportunities, notes, tasks, and fully customizable objects. Developers can extend Twenty with custom objects, server-side logic, UI components, and AI agents as TypeScript packages, all surfaced through the same API surface. The platform is available as a cloud service or as a self-hosted deployment via Docker Compose, giving teams full control over their data residency and infrastructure.

Twenty publishes 10 API contracts indexed on the APIs.io network, including Companies API, Fields API, Notes API, and 7 more. Tagged areas include CRM, Open Source, REST, GraphQL, and Webhook.

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

Twenty’s developer surface includes authentication, documentation, engineering blog, pricing, and 15 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

38.5/100 thin ▬ flat Agent 46/100 agent ready Front door AI 5/6 prominent Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemiumOpenFree trial⚡ Free to try

2 published contracts 1 MCP Servers

CRM Open Source REST GraphQL Webhook Self-Hosted Companies People Opportunities Workflows AI Agents Custom Objects

What this lets a business do 2

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

Customer Relationship Management

BC-420

CompaniesPeople

GET /companies POST /people

Sales Management

BC-410

Opportunities

POST /opportunities

Kin Score

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

Composite quality — 38.5/100 · thin

Contract Quality 12.8 / 19

Developer Ergonomics 4.7 / 15

Access Clarity 2.2 / 15

Operational Transparency 2.1 / 10

Contract Governance 2.1 / 9

Discoverability 3.9 / 8

Regulatory Posture 3.4 / 15

Create-or-Update Ergonomics 1.1 / 10

Agent readiness — 46/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 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 5 / 5

Registration Without a Human 6 / 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 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):

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 →
Typed Event Surface +6 pts — AsyncAPI document, OR webhooks/callbacks objects in the as-published OpenAPI, OR common[].type includes Webhooks Ask about this →
Documented Reversibility +6 pts — a reversal operation in the contract, graded up when a window is documented too Ask about this →
Agent Skills +5 pts — skills artifact present, graded by who authored it Ask about this →

4 more unmet checks in the Agent Readiness table above.

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

Access Clarity scores 14.9 — up to +17.0 composite points Ask about this →
Developer Ergonomics scores 31.0 — up to +13.8 composite points Ask about this →
Operational Transparency scores 21.4 — up to +10.2 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/twenty/apis.yml: open an issue on github.com/api-evangelist/twenty 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
Raycast Store Extensions (first-party publishers + community-wrapped products)	covered	8.1	-	-

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 6

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.

GraphQL

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

REST

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

Model Context Protocol (MCP)

measured — observed by APIs.io (verified)

OAuth 2.0 Protected Resource Metadata

measured — observed by APIs.io (verified)

Dynamic Client Registration

measured — observed by APIs.io (published)

OpenAPI

measured — observed by APIs.io (published)

APIs 10

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

Twenty Companies API

Company CRM records

Twenty Fields API

Custom field metadata management

Twenty Notes API

Note records associated with CRM objects

Twenty Objects API

Custom object metadata management

Twenty Opportunities API

Opportunity/deal CRM records

Twenty People API

Person/contact CRM records

Twenty Relations API

Custom relation metadata management

Twenty Tasks API

Task records associated with CRM objects

Twenty GraphQL API

Auto-generated GraphQL API over the same workspace schema, exposing queries, mutations, batch upserts via plural object names, and relation traversal for the Core API (/graphql)...

Twenty Open API

OpenAPI schema discovery

Scroll for all 10

Scroll for all 9

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Twenty MCP Server

Remote MCP server at mcp.twenty.com over HTTP.

MCP SERVER

GraphQL 1

GraphQL schemas published by this provider.

Twenty CRM GraphQL API

Twenty exposes two GraphQL endpoints for every workspace: the Core API at `/graphql` and the Metadata API at `/metadata`. The Core API is schema-per-tenant — the types and field...

GRAPHQL

Twenty API pricing

Not yet checked against Twenty's own pricing page. Compiled by API Evangelist; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Self-Hosted	Free per workspace
Pro	$9 per user / per month
Organization	$19 per user / per month

Plan details, limits and sources →

Rate limits

Pro Plan API Rate Limit: 50
Organization Plan API Rate Limit: 100
GraphQL Token Rate Limit: 100

Compiled by API Evangelist, not yet checked against Twenty's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

Twenty Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Twenty Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Twenty Finops

FINOPS

Semantic Vocabularies 1

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

Twenty Context

2 classes · 19 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.

Twenty — jsonschema rules

6 rules · 4 warn-severity 2 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.

Twenty Open Api Api Certification Overlay

1 action · security · twenty-open-api-api-openapi.yml

DERIVED

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

Twenty Authentication

http · 1 scheme

SECURITY

Twenty Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Twenty Vulnerability Disclosure

security.txt · contact published

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

Twenty Agentic Access

42 operations · 25 acting

AGENTIC

Resources

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Vocabulary

Vocabulary

JSONLDContext

JSONLDContext

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 3

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 4

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

BlogRSS

BlogRSS

Other 2

Properties that don't map to a standard resource type

CapabilityMap

CapabilityMap

Source (apis.yml)

aid: twenty
name: Twenty
description: 'Twenty is an open-source CRM platform built as a modern alternative to Salesforce, designed for teams that need
  flexibility, data ownership, and a contemporary developer experience. It provides REST and GraphQL APIs covering core CRM
  operations such as managing companies, people, opportunities, notes, tasks, and fully customizable objects. Developers can
  extend Twenty with custom objects, server-side logic, UI components, and AI agents as TypeScript packages, all surfaced
  through the same API surface. The platform is available as a cloud service or as a self-hosted deployment via Docker Compose,
  giving teams full control over their data residency and infrastructure.

  '
type: Index
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: open
  trial: true
  try_now: true
  public: true
  gated: none
  gated_source:
  - onboarding
  label: Freemium (free trial) · Open access
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/twenty.png
url: https://raw.githubusercontent.com/api-evangelist/twenty/refs/heads/main/apis.yml
created: 2026-06-12
modified: 2026-06-12
specificationVersion: '0.23'
x-docs-platform: mintlify
x-docs-platform-confidence: medium
x-docs-platform-checked: 2026-10-17
tags:
- CRM
- Open Source
- REST
- GraphQL
- Webhook
- Self-Hosted
- Companies
- People
- Opportunities
- Workflows
- AI Agents
- Custom Objects
tags_raw:
- CRM
- Open Source
- REST
- GraphQL
- Webhooks
- Self-Hosted
- Companies
- People
- Opportunities
- Workflows
- AI Agents
- Custom Objects
- Open-Source
apis:
- aid: twenty:twenty-companies-api
  name: Twenty Companies API
  description: Company CRM records
  tags:
  - Companies
  tags_raw:
  - companies
  properties:
  - type: OpenAPI
    url: openapi/twenty-companies-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: JSONSchema
    url: json-schema/twenty-company.json
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
- aid: twenty:twenty-fields-api
  name: Twenty Fields API
  description: Custom field metadata management
  tags:
  - Fields
  tags_raw:
  - fields
  properties:
  - type: OpenAPI
    url: openapi/twenty-fields-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
  - type: JSONSchema
    url: json-schema/twenty-field-metadata-input-schema.json
  - type: JSONSchema
    url: json-schema/twenty-field-metadata-list-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-field-metadata-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-delete-response-schema.json
- aid: twenty:twenty-notes-api
  name: Twenty Notes API
  description: Note records associated with CRM objects
  tags:
  - Notes
  tags_raw:
  - notes
  properties:
  - type: OpenAPI
    url: openapi/twenty-notes-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
  - type: JSONSchema
    url: json-schema/twenty-note-list-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-note-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-note-input-schema.json
  - type: JSONSchema
    url: json-schema/twenty-delete-response-schema.json
- aid: twenty:twenty-objects-api
  name: Twenty Objects API
  description: Custom object metadata management
  tags:
  - Objects
  tags_raw:
  - objects
  properties:
  - type: OpenAPI
    url: openapi/twenty-objects-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
  - type: JSONSchema
    url: json-schema/twenty-object-metadata-list-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-object-metadata-input-schema.json
  - type: JSONSchema
    url: json-schema/twenty-object-metadata-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-delete-response-schema.json
- aid: twenty:twenty-opportunities-api
  name: Twenty Opportunities API
  description: Opportunity/deal CRM records
  tags:
  - Opportunities
  tags_raw:
  - opportunities
  properties:
  - type: OpenAPI
    url: openapi/twenty-opportunities-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: JSONSchema
    url: json-schema/twenty-opportunity.json
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
- aid: twenty:twenty-people-api
  name: Twenty People API
  description: Person/contact CRM records
  tags:
  - People
  tags_raw:
  - people
  properties:
  - type: OpenAPI
    url: openapi/twenty-people-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: JSONSchema
    url: json-schema/twenty-person.json
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
- aid: twenty:twenty-relations-api
  name: Twenty Relations API
  description: Custom relation metadata management
  tags:
  - Relations
  tags_raw:
  - relations
  properties:
  - type: OpenAPI
    url: openapi/twenty-relations-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
  - type: JSONSchema
    url: json-schema/twenty-relation-metadata-input-schema.json
  - type: JSONSchema
    url: json-schema/twenty-relation-metadata-list-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-relation-metadata-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-delete-response-schema.json
- aid: twenty:twenty-tasks-api
  name: Twenty Tasks API
  description: Task records associated with CRM objects
  tags:
  - Task
  tags_raw:
  - tasks
  properties:
  - type: OpenAPI
    url: openapi/twenty-tasks-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
  - type: JSONSchema
    url: json-schema/twenty-task-list-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-task-input-schema.json
  - type: JSONSchema
    url: json-schema/twenty-task-response-schema.json
  - type: JSONSchema
    url: json-schema/twenty-delete-response-schema.json
- aid: twenty:twenty-crm-graphql-api
  name: Twenty GraphQL API
  tags:
  - GraphQL
  - CRM
  - Metadata
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://docs.twenty.com/developers/extend/api
  baseURL: https://api.twenty.com/graphql
  properties:
  - url: https://docs.twenty.com/developers/extend/api
    type: Documentation
  - url: https://docs.twenty.com/api-reference/openapi.json
    type: APIReference
  description: Auto-generated GraphQL API over the same workspace schema, exposing queries, mutations, batch upserts via plural
    object names, and relation traversal for the Core API (/graphql) and Metadata API (/metadata), authenticated with a Bearer
    API key.
- aid: twenty:twenty-open-api-api
  name: Twenty Open API
  description: OpenAPI schema discovery
  humanURL: https://docs.twenty.com/developers/extend/api
  baseURL: https://api.twenty.com/graphql
  tags:
  - OpenAPI
  tags_raw:
  - Open API
  properties:
  - type: OpenAPI
    url: openapi/twenty-open-api-api-openapi.yml
  - type: Documentation
    url: https://docs.twenty.com/developers/extend/api
  - type: Examples
    url: examples/twenty-create-company.json
  - type: Examples
    url: examples/twenty-list-companies.json
  - type: Examples
    url: examples/twenty-create-custom-object.json
  - type: GraphQL
    url: graphql/twenty-graphql.md
common:
- type: CapabilityMap
  url: capabilities/twenty-capability-edges.yml
  name: Twenty Business Capability Map
- type: AgenticAccess
  url: agentic-access/twenty-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/twenty-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/twenty-domain-security.yml
- type: Authentication
  url: authentication/twenty-authentication.yml
- type: Website
  url: https://twenty.com
- type: Documentation
  url: https://docs.twenty.com/developers/introduction
- type: GitHubOrg
  url: https://github.com/twentyhq
- type: LinkedIn
  url: https://www.linkedin.com/company/twenty
- type: Blog
  url: https://twenty.com/releases
- type: BlogRSS
  url: https://github.com/twentyhq/twenty/releases.atom
- type: Vocabulary
  url: vocabulary/twenty-vocabulary.yml
- type: JSONLDContext
  url: json-ld/twenty-context.jsonld
- type: Pricing
  url: https://twenty.com/pricing
- type: X
  url: https://x.com/twentycrm
- type: Plans
  url: plans/twenty-plans-pricing.yml
- type: RateLimits
  url: rate-limits/twenty-rate-limits.yml
- type: FinOps
  url: finops/twenty-finops.yml
- type: Documentation
  url: https://docs.twenty.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Twenty API — frequently asked questions

Does Twenty have an API?

Yes. APIs.io lists 10 APIs from Twenty, including Twenty Companies API, Twenty Fields API and Twenty Notes API, and 7 more.

Is there an OpenAPI specification for the Twenty API?

Yes. APIs.io indexes 9 OpenAPI specifications for Twenty, each linked for download from this page.

How do I authenticate with the Twenty API?

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

How much does the Twenty API cost?

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

Does Twenty have an MCP server?

Yes. APIs.io lists 1 MCP server for Twenty: Remote MCP server at mcp.twenty.com over HTTP.

Is the Twenty API ready for AI agents?

Twenty has a Kin Score of 38.5 out of 100 (thin) and an Agent Readiness score of 46.4 (agent-ready), 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

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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.

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