{ "openapi": "3.0.1", "info": { "title": "SRT Subtitle Generator: Auto Subtitles for Video & Audio", "description": "Generate SRT subtitles for any video or audio: ready-to-upload SRT and WebVTT files with broadcast formatting (42 characters per line, 2 lines, max 6 s) and exact word timing, in 99 languages or translated to English. Whisper, no API key. Pay per minute.", "version": "1.0", "x-build-id": "gTMoar9o6pLHKj8Vi" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/fguiraud~srt-subtitle-generator/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-fguiraud-srt-subtitle-generator", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/fguiraud~srt-subtitle-generator/runs": { "post": { "operationId": "runs-sync-fguiraud-srt-subtitle-generator", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/fguiraud~srt-subtitle-generator/run-sync": { "post": { "operationId": "run-sync-fguiraud-srt-subtitle-generator", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } } }, "components": { "schemas": { "inputSchema": { "type": "object", "properties": { "sources": { "title": "Video or audio URLs", "type": "array", "description": "Direct links to the video or audio to subtitle (MP4, MOV, WEBM, MKV, MP3, WAV...). Google Drive, Dropbox, OneDrive and GitHub share links work too. For TikTok, Instagram, X (Twitter) or Facebook video links use Video to Text Transcriber (fguiraud/video-to-text-transcriber); for YouTube, YouTube Transcript Scraper (fguiraud/youtube-transcript-scraper).", "items": { "type": "object", "required": [ "url" ], "properties": { "url": { "type": "string", "title": "URL of a web page", "format": "uri" } } } }, "base64Files": { "title": "Files as base64 (optional)", "type": "array", "description": "Short media files without a URL, e.g. from an AI agent: [{\"fileName\": \"memo.m4a\", \"content\": \"\"}]. Keep the total input under ~9 MB; use URLs for longer recordings." }, "model": { "title": "Model", "enum": [ "base", "small", "tiny" ], "type": "string", "description": "'base': good accuracy, fast (recommended). 'small': best accuracy, especially for accents, noisy audio and non-English speech; slower and billed at a higher per-minute price. 'tiny': fastest draft quality.", "default": "base" }, "language": { "title": "Spoken language", "type": "string", "description": "ISO code of the spoken language (en, es, de, fr, pt, it, ja, zh, ...) or 'auto' to detect it. Setting it avoids misdetection on short clips.", "default": "auto" }, "task": { "title": "Task", "enum": [ "transcribe", "translate" ], "type": "string", "description": "'transcribe': text in the spoken language. 'translate': translate the speech to English text.", "default": "transcribe" }, "vocabulary": { "title": "Vocabulary (names, jargon)", "type": "array", "description": "Words the speech recognition should favour: people and company names, product names, technical terms (e.g. 'Kubernetes', 'Dr. Nguyen', 'Apify'). Improves spelling of rare words.", "items": { "type": "string" } }, "outputs": { "title": "What to return", "type": "array", "description": "'text': full transcript split into paragraphs at pauses. 'segments': timestamped segments. 'srt' / 'vtt': ready-to-use subtitle files. 'chunks': ~chunkSize-character passages with start/end times and a token estimate, ready for vector databases. 'markdown': paragraphs prefixed with their start time, e.g. '**[00:01:23]** ...'.", "items": { "type": "string", "enum": [ "text", "markdown", "segments", "srt", "vtt", "chunks" ], "enumTitles": [ "Text", "Markdown with timestamps", "Timestamped segments", "SRT subtitles", "WebVTT subtitles", "RAG chunks with timestamps" ] }, "default": [ "srt", "vtt" ] }, "subtitleMaxChars": { "title": "Subtitle line length (characters)", "minimum": 20, "maximum": 80, "type": "integer", "description": "Maximum characters per subtitle line (42 is the common broadcast and YouTube standard; use 32-37 for vertical/mobile video).", "default": 42 }, "subtitleMaxLines": { "title": "Lines per subtitle", "minimum": 1, "maximum": 3, "type": "integer", "description": "Maximum lines shown at once in each subtitle (when line length is set).", "default": 2 }, "subtitleMaxDuration": { "title": "Max seconds per subtitle", "minimum": 1, "maximum": 15, "type": "number", "description": "Longest time a single subtitle stays on screen (when line length is set).", "default": 6 }, "aiInsights": { "title": "AI summary, chapters and action items", "type": "boolean", "description": "Analyse each transcript with Claude: title, summary, key points, chapters with start times, action items and topics (in 'insights'). Requires your Anthropic API key; Claude usage is billed to your Anthropic account, plus one small 'AI insights' event per file.", "default": false }, "anthropicApiKey": { "title": "Anthropic API key", "type": "string", "description": "Your key from console.anthropic.com. Stored as a secret input; used only to call Claude for this run." }, "insightsModel": { "title": "Claude model", "enum": [ "claude-opus-5", "claude-sonnet-5", "claude-haiku-4-5" ], "type": "string", "description": "'claude-opus-5': best quality (default). 'claude-sonnet-5': cheaper, great for meetings and podcasts. 'claude-haiku-4-5': cheapest (transcripts up to ~2 hours).", "default": "claude-opus-5" }, "insightsInstructions": { "title": "Insights instructions", "type": "string", "description": "Optional, e.g. 'Summarise in Spanish', 'Focus on decisions and owners', 'Chapters every ~10 minutes'." }, "saveFiles": { "title": "Also save downloadable files", "type": "boolean", "description": "Save the transcript (.txt) and subtitles (.srt / .vtt, if selected in outputs) as files in the run's key-value store; the result includes their download links.", "default": true }, "wordTimestamps": { "title": "Word-level timestamps", "type": "boolean", "description": "Add start/end times for every word inside each segment (for karaoke-style captions or precise search). Slightly slower.", "default": false }, "chunkSize": { "title": "Chunk size (characters)", "minimum": 200, "maximum": 20000, "type": "integer", "description": "Target size of 'RAG chunks'.", "default": 1000 }, "skipSilence": { "title": "Skip silence", "type": "boolean", "description": "Detect speech first and skip silent parts. Faster and reduces hallucinated text in long pauses.", "default": true }, "maxDurationMinutes": { "title": "Max minutes per file", "minimum": 1, "maximum": 1440, "type": "integer", "description": "Only the first N minutes of each file are transcribed (and billed).", "default": 240 }, "maxFileSizeMb": { "title": "Max file size (MB)", "minimum": 1, "maximum": 5000, "type": "integer", "description": "Larger files are skipped (not billed).", "default": 1000 }, "failOnError": { "title": "Fail the run if any file fails", "type": "boolean", "description": "Mark the run as FAILED when a file cannot be transcribed. Useful for pipelines and monitoring.", "default": false } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } } } } } } } } }