Rephrase.ai

Rephrase.ai is a Bengaluru-based generative-AI startup whose text-to-video platform, Rephrase Studio, turns plain text scripts into videos of digital human avatars ("actors") that speak the script with lip-synced, natural voices. It exposed a Rephrase Studio API for programmatic video generation (list actors and voices, create and export videos, poll video status) secured with OAuth2 bearer tokens. Backed by Techstars, Rephrase.ai was acquired by Adobe in November 2023 and its technology folded into Adobe's video and generative-AI offerings; the standalone product hosts have since been decommissioned, though the legacy API reference remains hosted on ReadMe. This profile is maintained by API Evangelist for historical and enrichment purposes.

Rephrase.ai publishes 4 API contracts indexed on the APIs.io network, including Actor API, Authentication API, Video API, and 1 more. Tagged areas include Company, Artificial Intelligence, Generative AI, Video, and Video Generation.

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

Rephrase.ai’s developer surface includes documentation, API reference, authentication, and 14 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

27.0/100 thin ▲ 15.8 Agent 22/100 agent aware Full breakdown ↓
scored 2026-10-17 · rubric v0.24.0

AccessSelf serve

1 published contract

Company Artificial Intelligence Generative AI Video Video Generation Avatars Media Content Creation

Kin Score

Kin Score How this is scored →
scored 2026-10-17 · rubric v0.24.0

Composite quality — 27.0/100 · thin

Contract Quality 10.1 / 19

Developer Ergonomics 3.0 / 15

Access Clarity 0.0 / 15

Operational Transparency 0.0 / 10

Contract Governance 2.0 / 9

Discoverability 5.0 / 8

Regulatory Posture 3.7 / 15

Create-or-Update Ergonomics 0.0 / 10

Agent readiness — 22/100 · 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 7 / 7

Rate-Limit Signaling 0 / 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 Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the AI & Biometrics 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/.

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 github.com/api-evangelist/rephraseai: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

APIs 4

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

Rephrase.ai Actor API

The Actor API from Rephrase.ai — 1 operation(s) for actor.

Rephrase.ai Authentication API

The Authentication API from Rephrase.ai — 1 operation(s) for authentication.

Rephrase.ai Video API

The Video API from Rephrase.ai — 3 operation(s) for video.

Rephrase.ai Voice API

The Voice API from Rephrase.ai — 1 operation(s) for voice.

Semantic Vocabularies 1

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

Rephraseai Context

56 classes · 100 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Rephrase.ai API Rules

10 rules · 8 errors 1 warnings 1 info

SPECTRAL

JSON Schema 6

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

AuthRequest

4 properties

JSON SCHEMA

AuthResponse

4 properties

JSON SCHEMA

CreateCampaignResponse

2 properties

JSON SCHEMA

ExportCampaignResponse

2 properties

JSON SCHEMA

GetCampaignResponse

8 properties

JSON SCHEMA

SimplifiedCreateCampaignRequest

11 properties

JSON SCHEMA

Security Posture 2

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

Rephraseai Authentication

oauth2 · 1 scheme

SECURITY

Rephraseai Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Rephraseai Scopes

1 scope

1 scopes

SCOPES

Agentic Access 1

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

Rephraseai Agentic Access

6 operations · 3 acting

AGENTIC

Resources

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

X-MCPServerCandidate

X-MCPServerCandidate

WellKnown

WellKnown

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Spectral

JSONLD

Vocabulary

DataModel

Conformance

Conventions

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: rephraseai
deliveryModel:
  model: unknown
  open_source: false
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - none
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/rephraseai.png
name: Rephrase.ai
description: Rephrase.ai is a Bengaluru-based generative-AI startup whose text-to-video platform, Rephrase Studio, turns plain
  text scripts into videos of digital human avatars ("actors") that speak the script with lip-synced, natural voices. It exposed
  a Rephrase Studio API for programmatic video generation (list actors and voices, create and export videos, poll video status)
  secured with OAuth2 bearer tokens. Backed by Techstars, Rephrase.ai was acquired by Adobe in November 2023 and its technology
  folded into Adobe's video and generative-AI offerings; the standalone product hosts have since been decommissioned, though
  the legacy API reference remains hosted on ReadMe. This profile is maintained by API Evangelist for historical and enrichment
  purposes.
url: https://raw.githubusercontent.com/api-evangelist/rephraseai/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- techstars
x-acquired-by: adobe
x-acquired-date: 2023-11
x-status: acquired
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-20'
x-docs-platform: readme
x-docs-platform-confidence: high
x-docs-platform-checked: 2026-10-04
tags:
- Company
- Artificial Intelligence
- Generative AI
- Video
- Video Generation
- Avatars
- Media
- Content Creation
tags_raw:
- Company
- Artificial Intelligence
- Generative AI
- Video
- Text to Video
- Avatars
- Media
- Content Creation
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: AgenticAccess
  url: agentic-access/rephraseai-agentic-access.yml
- type: Spectral
  url: rules/rephraseai-rules.yml
- type: JSONLD
  url: json-ld/rephraseai-context.jsonld
- type: Vocabulary
  url: vocabulary/rephraseai-vocabulary.yml
- type: DataModel
  url: data-model/rephraseai-data-model.yml
- type: Conformance
  url: conformance/rephraseai-conformance.yml
- type: Hosts
  url: hosts/rephraseai-hosts.yml
- type: Vendors
  url: vendors/rephraseai-vendors.yml
- type: DomainSecurity
  url: security/rephraseai-domain-security.yml
- type: Website
  url: https://rephrase.ai/
- type: Documentation
  url: https://studio-rephrase-api.readme.io/reference/documentation
- type: APIReference
  url: https://studio-rephrase-api.readme.io/reference/documentation
- type: Authentication
  url: authentication/rephraseai-authentication.yml
- type: OAuthScopes
  url: scopes/rephraseai-scopes.yml
- type: Conventions
  url: conventions/rephraseai-conventions.yml
- type: X-MCPServerCandidate
  url: mcp/rephraseai-mcp.yml
  note: 'Renamed from MCPServer 2026-09-03 (roadmap#247): the manifest self-describes as status: candidate — a tool list derived
    from the published API contracts, not an existing server. The scorer already read the manifest and reported mcp_server
    correctly; the MCPServer type was crediting the artifact-type surfaces with a server that does not exist.'
- type: WellKnown
  url: well-known/rephraseai-well-known.yml
apis:
- aid: rephraseai:rephraseai-actor-api
  name: Rephrase.ai Actor API
  description: The Actor API from Rephrase.ai — 1 operation(s) for actor.
  humanURL: https://studio-rephrase-api.readme.io/reference/documentation
  baseURL: https://auth.rephrase.ai
  tags:
  - Actor
  properties:
  - type: OpenAPI
    url: openapi/rephraseai-actor-api-openapi.yml
  - type: Documentation
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: APIReference
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: Authentication
    url: authentication/rephraseai-authentication.yml
  - type: OAuthScopes
    url: scopes/rephraseai-scopes.yml
  - type: Conventions
    url: conventions/rephraseai-conventions.yml
  - type: X-MCPServerCandidate
    url: mcp/rephraseai-mcp.yml
  - type: JSONSchema
    url: json-schema/rephraseai-simplified-create-campaign-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-get-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-export-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-create-campaign-response-schema.json
- aid: rephraseai:rephraseai-authentication-api
  name: Rephrase.ai Authentication API
  description: The Authentication API from Rephrase.ai — 1 operation(s) for authentication.
  humanURL: https://studio-rephrase-api.readme.io/reference/documentation
  baseURL: https://auth.rephrase.ai
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/rephraseai-authentication-api-openapi.yml
  - type: Documentation
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: APIReference
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: Authentication
    url: authentication/rephraseai-authentication.yml
  - type: OAuthScopes
    url: scopes/rephraseai-scopes.yml
  - type: Conventions
    url: conventions/rephraseai-conventions.yml
  - type: X-MCPServerCandidate
    url: mcp/rephraseai-mcp.yml
  - type: JSONSchema
    url: json-schema/rephraseai-simplified-create-campaign-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-get-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-export-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-create-campaign-response-schema.json
- aid: rephraseai:rephraseai-video-api
  name: Rephrase.ai Video API
  description: The Video API from Rephrase.ai — 3 operation(s) for video.
  humanURL: https://studio-rephrase-api.readme.io/reference/documentation
  baseURL: https://auth.rephrase.ai
  tags:
  - Video
  properties:
  - type: OpenAPI
    url: openapi/rephraseai-video-api-openapi.yml
  - type: Documentation
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: APIReference
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: Authentication
    url: authentication/rephraseai-authentication.yml
  - type: OAuthScopes
    url: scopes/rephraseai-scopes.yml
  - type: Conventions
    url: conventions/rephraseai-conventions.yml
  - type: X-MCPServerCandidate
    url: mcp/rephraseai-mcp.yml
  - type: JSONSchema
    url: json-schema/rephraseai-simplified-create-campaign-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-get-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-export-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-create-campaign-response-schema.json
- aid: rephraseai:rephraseai-voice-api
  name: Rephrase.ai Voice API
  description: The Voice API from Rephrase.ai — 1 operation(s) for voice.
  humanURL: https://studio-rephrase-api.readme.io/reference/documentation
  baseURL: https://auth.rephrase.ai
  tags:
  - Voice
  properties:
  - type: OpenAPI
    url: openapi/rephraseai-voice-api-openapi.yml
  - type: Documentation
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: APIReference
    url: https://studio-rephrase-api.readme.io/reference/documentation
  - type: Authentication
    url: authentication/rephraseai-authentication.yml
  - type: OAuthScopes
    url: scopes/rephraseai-scopes.yml
  - type: Conventions
    url: conventions/rephraseai-conventions.yml
  - type: X-MCPServerCandidate
    url: mcp/rephraseai-mcp.yml
  - type: JSONSchema
    url: json-schema/rephraseai-simplified-create-campaign-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-get-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-auth-request-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-export-campaign-response-schema.json
  - type: JSONSchema
    url: json-schema/rephraseai-create-campaign-response-schema.json
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 6
  pass: local-v1
x-lifecycle:
  state: deprecated
  reason: domain-does-not-resolve
  observed: '2026-09-27'
  detail: The company's own domain returned no A or AAAA record when probed. This is an observation about the domain, not
    a request from the company.
  indexed: true
  successor: adobe
  successor_in_catalog: true
x-readme-harvest:
  date: '2026-10-14'
  ops: 6
  tool: harvest-readme-openapi.py
  portal: https://studio-rephrase-api.readme.io

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