Sync Labs

Sync Labs (sync.so) provides a suite of studio-grade AI lip-sync and visual dubbing APIs. Their technology synchronizes video lip movements with any audio track using state-of-the-art models, enabling professional video dubbing, content localization, and personalized video generation at scale. Models include sync-3, lipsync-2-pro, lipsync-2, lipsync-1.9, and react-1, with support for batch processing (up to 500 videos), webhooks, Python and TypeScript SDKs, Adobe Premiere plugin, and ComfyUI integration. Backed by Y Combinator.

Sync Labs publishes 4 APIs on the APIs.io network, including Assets API, Batch API, Generate API, and 1 more. Tagged areas include Artificial Intelligence, Content Localization, Dubbing, Lip Sync, and Media.

The Sync Labs catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Sync Labs’ developer surface includes authentication, documentation, getting-started guide, pricing, signup flow, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

40.7/100 developing ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessPaidSelf serve

6 APIs

Artificial IntelligenceContent LocalizationDubbing Lip Sync Media Video Visual AI

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 40.7/100 · developing

Contract Quality 15.4 / 25

Developer Ergonomics 7.1 / 20

Access Clarity 7.9 / 20

Operational Transparency 1.4 / 13

Contract Governance 1.6 / 12

Discoverability 7.2 / 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/sync-labs: 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 6

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

Rate Limits 1

Documented rate limits and quota policies.

Sync Labs Rate Limits

7 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

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

Examples 1

Example request and response payloads for these APIs.

Get Started 2

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Signup

Signup

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

API Keys

API Keys

Operate 1

Status, limits, changes, and where to get help

Contact

Contact

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Y Combinator

Y Combinator

Source (apis.yml)

aid: sync-labs
name: Sync Labs
description: Sync Labs (sync.so) provides a suite of studio-grade AI lip-sync and visual dubbing APIs. Their technology synchronizes
  video lip movements with any audio track using state-of-the-art models, enabling professional video dubbing, content localization,
  and personalized video generation at scale. Models include sync-3, lipsync-2-pro, lipsync-2, lipsync-1.9, and react-1, with
  support for batch processing (up to 500 videos), webhooks, Python and TypeScript SDKs, Adobe Premiere plugin, and ComfyUI
  integration. Backed by Y Combinator.
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://sync.so/favicon.ico
tags:
- Artificial Intelligence
- Content Localization
- Dubbing
- Lip Sync
- Media
- Video
- Visual AI
type: Index
position: Consumer
access: 3rd-Party
created: '2026-05-03'
modified: '2026-05-19'
url: https://raw.githubusercontent.com/api-evangelist/sync-labs/refs/heads/main/apis.yml
specificationVersion: '0.23'
apis:
- aid: sync-labs:sync-labs-python-sdk
  name: Sync Labs Python SDK
  description: Official Python SDK for integrating the Sync Labs lip-sync API into Python applications. Supports Python 3.8+.
    Install via pip install syncsdk.
  humanURL: https://sync.so/docs/introduction
  tags:
  - Python
  - SDK
  properties:
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: PyPI
    url: https://pypi.org/project/syncsdk/
- aid: sync-labs:sync-labs-typescript-sdk
  name: Sync Labs TypeScript SDK
  description: Official TypeScript/Node.js SDK for integrating the Sync Labs API. Supports Node.js 18+. Install via npm install
    @sync.so/sdk.
  humanURL: https://sync.so/docs/introduction
  tags:
  - JavaScript
  - Node.js
  - SDK
  - TypeScript
  properties:
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: NPM
    url: https://www.npmjs.com/package/@sync.so/sdk
- aid: sync-labs:sync-labs-assets-api
  name: Sync Labs Assets API
  description: Uploaded asset management
  humanURL: https://sync.so/api
  baseURL: https://api.sync.so/v2
  tags:
  - Assets
  properties:
  - type: OpenAPI
    url: openapi/sync-labs-assets-api-openapi.yml
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: Pricing
    url: https://sync.so/pricing
  - type: GettingStarted
    url: https://sync.so/docs/quickstart
- aid: sync-labs:sync-labs-batch-api
  name: Sync Labs Batch API
  description: Batch processing multiple videos
  humanURL: https://sync.so/api
  baseURL: https://api.sync.so/v2
  tags:
  - Batch
  properties:
  - type: OpenAPI
    url: openapi/sync-labs-batch-api-openapi.yml
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: Pricing
    url: https://sync.so/pricing
  - type: GettingStarted
    url: https://sync.so/docs/quickstart
- aid: sync-labs:sync-labs-generate-api
  name: Sync Labs Generate API
  description: Lip-sync video generation operations
  humanURL: https://sync.so/api
  baseURL: https://api.sync.so/v2
  tags:
  - Generate
  properties:
  - type: OpenAPI
    url: openapi/sync-labs-generate-api-openapi.yml
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: Pricing
    url: https://sync.so/pricing
  - type: GettingStarted
    url: https://sync.so/docs/quickstart
- aid: sync-labs:sync-labs-models-api
  name: Sync Labs Models API
  description: Available AI model listing
  humanURL: https://sync.so/api
  baseURL: https://api.sync.so/v2
  tags:
  - Models
  properties:
  - type: OpenAPI
    url: openapi/sync-labs-models-api-openapi.yml
  - type: Documentation
    url: https://sync.so/docs/introduction
  - type: Pricing
    url: https://sync.so/pricing
  - type: GettingStarted
    url: https://sync.so/docs/quickstart
common:
- type: AgenticAccess
  url: agentic-access/sync-labs-agentic-access.yml
- type: DomainSecurity
  url: security/sync-labs-domain-security.yml
- type: Authentication
  url: authentication/sync-labs-authentication.yml
- type: GitHubOrganization
  url: https://github.com/synchronicity-labs
- type: LinkedIn
  url: https://www.linkedin.com/company/synclabs-ai
- type: Website
  url: https://sync.so
- type: Documentation
  url: https://sync.so/docs/introduction
- type: GettingStarted
  url: https://sync.so/docs/quickstart
- type: Pricing
  url: https://sync.so/pricing
- type: API Keys
  url: https://sync.so/settings/api-keys
- type: Signup
  url: https://sync.so/sign-up
- type: Contact
  url: mailto:hello@sync.so
- type: Y Combinator
  url: https://www.ycombinator.com/companies/sync-2
- type: LlmsText
  url: https://sync.so/llms.txt
- url: https://sync.so/blog/rss.xml
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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