{ "openapi": "3.0.1", "info": { "title": "Beat Detector - BPM, Drops & Video Edit Markers", "description": "Analyze any song or video soundtrack and get a precise beat grid: BPM, every beat and bar timestamp, energy curve, drop and breakdown points, section mood labels, plus ready-to-import markers for Premiere, DaVinci, Audacity and CapCut. No rental fee - you pay Apify compute only.", "version": "0.5", "x-build-id": "dPxJXGv2B1nN1USnO" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/andrew_babo~audio-beat-analyzer/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-andrew_babo-audio-beat-analyzer", "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": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/andrew_babo~audio-beat-analyzer/runs": { "post": { "operationId": "runs-sync-andrew_babo-audio-beat-analyzer", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/andrew_babo~audio-beat-analyzer/run-sync": { "post": { "operationId": "run-sync-andrew_babo-audio-beat-analyzer", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "audioUrls": { "title": "Audio or video URLs", "type": "array", "description": "Direct links to MP3, WAV, M4A, FLAC, OGG, MP4 or MOV files. Audio is extracted automatically from video.", "items": { "type": "string" } }, "keyValueStoreRecords": { "title": "Uploaded files (key-value store records)", "type": "array", "description": "Files you uploaded to an Apify key-value store, e.g. [{\"storeId\":\"\",\"key\":\"track.mp3\"}]. Omit storeId to read from this run's own store." }, "beatsPerBar": { "title": "Beats per bar", "minimum": 2, "maximum": 12, "type": "integer", "description": "Time signature numerator used for bar (downbeat) markers. 4 covers most music.", "default": 4 }, "depth": { "title": "Analysis depth", "enum": [ "fast", "standard", "deep" ], "type": "string", "description": "How deep the analysis goes. Fast is ~100x realtime, standard is the default, deep adds chord segments and drum/bass/harmony/voice levels.", "default": "standard" }, "tempoMode": { "title": "Tempo tracking", "enum": [ "auto", "constant", "variable" ], "type": "string", "description": "Constant fits one BPM to the whole track (best for electronic music). Variable follows tempo changes (live bands, rubato piano, film score). Auto picks per track.", "default": "auto" }, "precisionMode": { "title": "Beat precision", "enum": [ "high", "standard" ], "type": "string", "description": "High snaps every beat to the real onset at 2.9 ms resolution with sub-frame interpolation, then re-fits tempo and phase. Grid drift typically drops from ~20 ms to 3-8 ms.", "default": "high" }, "detectMeter": { "title": "Detect time signature", "type": "boolean", "description": "Guess 3/4 vs 4/4 automatically instead of always using the beats-per-bar value.", "default": true }, "fixedBpm": { "title": "Known BPM (optional)", "type": "string", "description": "Force the grid to a BPM you already know, e.g. 128. Leave empty to detect automatically." }, "bpmRangeMin": { "title": "Minimum BPM", "minimum": 30, "maximum": 200, "type": "integer", "description": "Lower bound used to resolve half/double-tempo ambiguity.", "default": 60 }, "bpmRangeMax": { "title": "Maximum BPM", "minimum": 60, "maximum": 300, "type": "integer", "description": "Upper bound used to resolve half/double-tempo ambiguity.", "default": 190 }, "peakSensitivity": { "title": "Drop detection sensitivity", "minimum": 1, "maximum": 10, "type": "integer", "description": "Higher values return more climax and breakdown points; lower values keep only the strongest ones.", "default": 5 }, "maxSections": { "title": "Maximum sections", "minimum": 2, "maximum": 24, "type": "integer", "description": "Upper bound on how many structural sections the track is split into.", "default": 10 }, "analyzeMood": { "title": "Label section mood", "type": "boolean", "description": "Add happy / sad / intense / calm labels plus energy and brightness scores per section. Turn off for a faster run.", "default": true }, "includeBeatList": { "title": "Include every beat timestamp", "type": "boolean", "description": "Return the full beat and downbeat arrays in the dataset row. Turn off for compact output; marker files still contain them.", "default": true }, "exportMarkerFiles": { "title": "Export marker files", "type": "boolean", "description": "Write Premiere/DaVinci CSV, Audacity TXT, CapCut JSON and a strong-beat cue list to the run key-value store.", "default": true }, "concurrency": { "title": "Parallel files", "minimum": 1, "maximum": 8, "type": "integer", "description": "How many files are analyzed at the same time in one run. Higher values finish large batches sooner.", "default": 3 }, "maxDurationSecs": { "title": "Analyze only first N seconds", "minimum": 0, "maximum": 3600, "type": "integer", "description": "0 analyzes the whole file. Use a value to cap cost on long files.", "default": 0 }, "failOnZeroResults": { "title": "Fail the run when nothing could be analyzed", "type": "boolean", "description": "Off by default: unreadable links return a dataset row with an error code and the run still finishes successfully. Turn on if your pipeline relies on a failed run status.", "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 } } }, "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 } } } } } } } } } }