Captions website screenshot

Captions

Captions is an AI-powered video creation and editing platform developed by Mirage, a New York-based AI research and product company. The platform enables creators and businesses to generate, edit, caption, dub, and translate talking-head videos at scale using generative AI. The Captions API — served under the Mirage API umbrella — exposes capabilities for automated video captioning, AI Creator video generation (using community avatars or personal AI Twins), AI Ads video generation, and bulk video management, all authenticated via API key and billed on a per-second-of-video credit model. Captions supports output in 30+ languages with automatic language detection, lip-sync dubbing, and direct publishing integrations for TikTok, Instagram, and YouTube.

4 APIs 0 Features
AI VideoVideo GenerationVideo CaptioningAI DubbingLip SyncAI TwinText to VideoGenerative AIVideo Translation

APIs

Captions Video Captions API

REST API for adding AI-generated captions to uploaded videos or existing video IDs. Accepts MP4/MOV files up to 50MB, applies a caption template, and returns a processed video j...

Captions AI Creator API

API for generating AI talking-head videos up to 1 minute using community avatars or user-created AI Twin digital clones. Scripts are limited to 800 characters and support 30+ la...

Captions AI Ads API

API for generating UGC-style AI advertising videos using AI creators. Accepts a script (up to 800 characters), a creator name, and optional media assets (JPEG, PNG, MOV, MP4). U...

Mirage Video Generation API

Beta API for production-grade talking-head video generation from script, image reference, or actor ID inputs. Returns high-fidelity video with natural eye contact, gestures, and...

Pricing Plans

Rate Limits

Captions Ai Rate Limits

6 limits

RATE LIMITS

FinOps

Semantic Vocabularies

Captions Ai Context

3 classes · 31 properties

JSON-LD

Example Payloads

Resources

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Website
Website
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Documentation
Documentation
👥
GitHubOrganization
GitHubOrganization
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LinkedIn
LinkedIn
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X
X
📰
Blog
Blog
💰
Pricing
Pricing
📄
ChangeLog
ChangeLog
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Plans
Plans
🔗
RateLimits
RateLimits
🔗
FinOps
FinOps
🔗
Vocabulary
Vocabulary
🔗
JSONLDContext
JSONLDContext

Sources

Raw ↑
aid: captions-ai
name: Captions
description: 'Captions is an AI-powered video creation and editing platform developed by Mirage, a New York-based AI research
  and product company. The platform enables creators and businesses to generate, edit, caption, dub, and translate talking-head
  videos at scale using generative AI. The Captions API — served under the Mirage API umbrella — exposes capabilities for
  automated video captioning, AI Creator video generation (using community avatars or personal AI Twins), AI Ads video generation,
  and bulk video management, all authenticated via API key and billed on a per-second-of-video credit model. Captions supports
  output in 30+ languages with automatic language detection, lip-sync dubbing, and direct publishing integrations for TikTok,
  Instagram, and YouTube.

  '
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- AI Video
- Video Generation
- Video Captioning
- AI Dubbing
- Lip Sync
- AI Twin
- Text to Video
- Generative AI
- Video Translation
url: https://raw.githubusercontent.com/api-evangelist/captions-ai/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
- aid: captions-ai-video-captions-api
  name: Captions Video Captions API
  description: 'REST API for adding AI-generated captions to uploaded videos or existing video IDs. Accepts MP4/MOV files
    up to 50MB, applies a caption template, and returns a processed video job. Results are polled via video ID until the status
    reaches COMPLETE. Billing is $0.15 per minute of input video, rounded up to the nearest minute.

    '
  humanURL: https://captions.ai/help/docs/api/video-captions
  baseURL: https://api.mirage.app
  tags:
  - Video Captioning
  - Captions
  - Subtitles
  properties:
  - type: Documentation
    url: https://captions.ai/help/docs/api/video-captions
  - type: OpenAPI
    url: https://captions.ai/help/api-reference/video-captions/add-captions-to-a-video
  - type: OpenAPI
    url: openapi/captions-ai-mirage-video-openapi.yml
- aid: captions-ai-creator-api
  name: Captions AI Creator API
  description: 'API for generating AI talking-head videos up to 1 minute using community avatars or user-created AI Twin digital
    clones. Scripts are limited to 800 characters and support 30+ languages with automatic detection. Usage is billed at 1
    credit per second of generated video. Exposes /list, /submit, and /poll endpoints.

    '
  humanURL: https://captions.ai/help/api-reference/ai-creator
  baseURL: https://api.captions.ai/api
  tags:
  - AI Video Generation
  - AI Twin
  - Talking Head Video
  - Text to Video
  properties:
  - type: Documentation
    url: https://captions.ai/help/api-reference/ai-creator
  - type: OpenAPI
    url: openapi/captions-ai-creator-ads-openapi.yml
- aid: captions-ai-ads-api
  name: Captions AI Ads API
  description: 'API for generating UGC-style AI advertising videos using AI creators. Accepts a script (up to 800 characters),
    a creator name, and optional media assets (JPEG, PNG, MOV, MP4). Usage is billed at 1 credit per second of generated video.
    Exposes /list-creators, /submit, and /poll endpoints for asynchronous job management.

    '
  humanURL: https://captions.ai/help/api-reference/ai-ads
  baseURL: https://api.captions.ai/api
  tags:
  - AI Advertising
  - UGC Video
  - Video Generation
  - AI Actors
  properties:
  - type: Documentation
    url: https://captions.ai/help/api-reference/ai-ads
  - type: OpenAPI
    url: openapi/captions-ai-creator-ads-openapi.yml
- aid: captions-mirage-video-api
  name: Mirage Video Generation API
  description: 'Beta API for production-grade talking-head video generation from script, image reference, or actor ID inputs.
    Returns high-fidelity video with natural eye contact, gestures, and emotional expression. Supports create, retrieve, retrieve
    content, and list video operations. Currently in limited early-access beta.

    '
  humanURL: https://captions.ai/help/api-reference/api
  baseURL: https://api.mirage.app
  tags:
  - Video Generation
  - AI Avatars
  - Talking Head
  - Generative AI
  properties:
  - type: Documentation
    url: https://captions.ai/help/api-reference/api
  - type: OpenAPI
    url: openapi/captions-ai-mirage-video-openapi.yml
common:
- type: Website
  url: https://captions.ai/
- type: Documentation
  url: https://captions.ai/help/docs/api/overview
- type: GitHubOrganization
  url: https://github.com/mirage-ai-com
- type: LinkedIn
  url: https://www.linkedin.com/company/captionsapp
- type: X
  url: https://x.com/getcaptionsapp
- type: Blog
  url: https://captions.ai/blog
- type: Pricing
  url: https://captions.ai/pricing
- type: ChangeLog
  url: https://captions.ai/help/whats-new
- type: Plans
  url: plans/captions-ai-plans-pricing.yml
- type: RateLimits
  url: rate-limits/captions-ai-rate-limits.yml
- type: FinOps
  url: finops/captions-ai-finops.yml
- type: Vocabulary
  url: vocabulary/captions-ai-vocabulary.yml
- type: JSONLDContext
  url: json-ld/captions-ai-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com