{ "openapi": "3.0.1", "info": { "title": "MiniMax Hailuo H3 AI Video Generator (Text & Reference)", "description": "AI video generator with sound: turn a text prompt — or up to 9 reference images — into a 4–8s MP4 with MiniMax Hailuo H3. 480p & 720p, 9:16 for TikTok & Reels, from $0.04/s. No GPU or subscription — a pay-as-you-go Veo, Runway & Kling alternative.", "version": "0.1", "x-build-id": "lzp6jFC2CaX5f1Zk2" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/danitn11~minimax-h3-video-generator/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-danitn11-minimax-h3-video-generator", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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/danitn11~minimax-h3-video-generator/runs": { "post": { "operationId": "runs-sync-danitn11-minimax-h3-video-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/danitn11~minimax-h3-video-generator/run-sync": { "post": { "operationId": "run-sync-danitn11-minimax-h3-video-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", "required": [ "prompt" ], "properties": { "prompt": { "title": "Prompt", "type": "string", "description": "Describe the video you want — subject, action, setting, and camera work, e.g. \"A chef plates a dish in a busy kitchen, slow dolly in, warm light\". H3 also generates matching sound, so you can describe audio too: \"rain on the window, distant thunder\"." }, "imageUrl": { "title": "First frame image URL (optional)", "type": "string", "description": "Animate a photo: this image becomes the first frame of the video. Leave empty for text-to-video. Cannot be combined with reference URLs — those are a different mode." }, "endImageUrl": { "title": "Last frame image URL (optional)", "type": "string", "description": "Optional final frame — the video transitions from the first frame to this one. Only works together with a first frame image." }, "referenceUrls": { "title": "Reference URLs (optional)", "maxItems": 5, "type": "array", "description": "Add up to 5 public URLs — images, video, or audio — to run reference-to-video: the characters, objects, styles, or voices in them are carried into a brand-new shot (not used as frames). Each reference adds $0.01 to the run. Cannot be combined with a first frame image. Each URL must be directly downloadable (no Google Drive share links or auth-gated URLs).", "default": [], "items": { "type": "string" } }, "resolution": { "title": "Resolution", "enum": [ "480p", "720p" ], "type": "string", "description": "Output video resolution. 480p is fastest and cheapest; 720p is sharper. Pricing is per second and depends on resolution.", "default": "480p" }, "aspectRatio": { "title": "Aspect ratio", "enum": [ "9:16", "16:9", "1:1", "21:9", "4:3", "3:4" ], "type": "string", "description": "9:16 for TikTok/Reels/Shorts, 16:9 for YouTube/landscape, 1:1 for square posts, 21:9 for cinematic, 4:3/3:4 for classic formats.", "default": "9:16" }, "duration": { "title": "Duration (seconds)", "minimum": 4, "maximum": 8, "type": "integer", "description": "Length of the generated video, 4–8 seconds. You are charged per second.", "default": 6 }, "negativePrompt": { "title": "Negative prompt", "type": "string", "description": "What to avoid in the video. Only applies when a first frame image or references are attached.", "default": "blur, distort, and low quality" }, "cfgScale": { "title": "Guidance scale (CFG)", "minimum": 0, "maximum": 5, "type": "number", "description": "How closely the result follows your images and prompt, 0–5. 3.5 is a good default; higher sticks to the input more literally but can reduce motion. Only applies when a first frame image or references are attached.", "default": 3.5 }, "seed": { "title": "Seed", "type": "integer", "description": "Leave empty for a new random result each run. Set a number to reproduce the same video from the same input." } } }, "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 } } } } } } } } } }